Merge branch 'clk-fixes' into clk-next
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt
new file mode 100644
index 0000000..5af6d73
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt
@@ -0,0 +1,23 @@
+Mediatek apmixedsys controller
+==============================
+
+The Mediatek apmixedsys controller provides the PLLs to the system.
+
+Required Properties:
+
+- compatible: Should be:
+	- "mediatek,mt8135-apmixedsys"
+	- "mediatek,mt8173-apmixedsys"
+- #clock-cells: Must be 1
+
+The apmixedsys controller uses the common clk binding from
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+The available clocks are defined in dt-bindings/clock/mt*-clk.h.
+
+Example:
+
+apmixedsys: apmixedsys@10209000 {
+	compatible = "mediatek,mt8173-apmixedsys";
+	reg = <0 0x10209000 0 0x1000>;
+	#clock-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt
new file mode 100644
index 0000000..684da473
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt
@@ -0,0 +1,30 @@
+Mediatek infracfg controller
+============================
+
+The Mediatek infracfg controller provides various clocks and reset
+outputs to the system.
+
+Required Properties:
+
+- compatible: Should be:
+	- "mediatek,mt8135-infracfg", "syscon"
+	- "mediatek,mt8173-infracfg", "syscon"
+- #clock-cells: Must be 1
+- #reset-cells: Must be 1
+
+The infracfg controller uses the common clk binding from
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+The available clocks are defined in dt-bindings/clock/mt*-clk.h.
+Also it uses the common reset controller binding from
+Documentation/devicetree/bindings/reset/reset.txt.
+The available reset outputs are defined in
+dt-bindings/reset-controller/mt*-resets.h
+
+Example:
+
+infracfg: infracfg@10001000 {
+	compatible = "mediatek,mt8173-infracfg", "syscon";
+	reg = <0 0x10001000 0 0x1000>;
+	#clock-cells = <1>;
+	#reset-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
new file mode 100644
index 0000000..fdb45c6
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
@@ -0,0 +1,30 @@
+Mediatek pericfg controller
+===========================
+
+The Mediatek pericfg controller provides various clocks and reset
+outputs to the system.
+
+Required Properties:
+
+- compatible: Should be:
+	- "mediatek,mt8135-pericfg", "syscon"
+	- "mediatek,mt8173-pericfg", "syscon"
+- #clock-cells: Must be 1
+- #reset-cells: Must be 1
+
+The pericfg controller uses the common clk binding from
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+The available clocks are defined in dt-bindings/clock/mt*-clk.h.
+Also it uses the common reset controller binding from
+Documentation/devicetree/bindings/reset/reset.txt.
+The available reset outputs are defined in
+dt-bindings/reset-controller/mt*-resets.h
+
+Example:
+
+pericfg: pericfg@10003000 {
+	compatible = "mediatek,mt8173-pericfg", "syscon";
+	reg = <0 0x10003000 0 0x1000>;
+	#clock-cells = <1>;
+	#reset-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt
new file mode 100644
index 0000000..a425248
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt
@@ -0,0 +1,23 @@
+Mediatek topckgen controller
+============================
+
+The Mediatek topckgen controller provides various clocks to the system.
+
+Required Properties:
+
+- compatible: Should be:
+	- "mediatek,mt8135-topckgen"
+	- "mediatek,mt8173-topckgen"
+- #clock-cells: Must be 1
+
+The topckgen controller uses the common clk binding from
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+The available clocks are defined in dt-bindings/clock/mt*-clk.h.
+
+Example:
+
+topckgen: topckgen@10000000 {
+	compatible = "mediatek,mt8173-topckgen";
+	reg = <0 0x10000000 0 0x1000>;
+	#clock-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/clock/emev2-clock.txt b/Documentation/devicetree/bindings/clock/emev2-clock.txt
index 60bbb1a..268ca61 100644
--- a/Documentation/devicetree/bindings/clock/emev2-clock.txt
+++ b/Documentation/devicetree/bindings/clock/emev2-clock.txt
@@ -52,7 +52,7 @@
 
 Example of consumer:
 
-uart@e1020000 {
+serial@e1020000 {
 	compatible = "renesas,em-uart";
 	reg = <0xe1020000 0x38>;
 	interrupts = <0 8 0>;
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 3d00c25..d965b3f 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -51,6 +51,7 @@
 obj-$(CONFIG_ARCH_HIP04)		+= hisilicon/
 obj-$(CONFIG_ARCH_HIX5HD2)		+= hisilicon/
 obj-$(CONFIG_COMMON_CLK_KEYSTONE)	+= keystone/
+obj-$(CONFIG_ARCH_MEDIATEK)		+= mediatek/
 ifeq ($(CONFIG_COMMON_CLK), y)
 obj-$(CONFIG_ARCH_MMP)			+= mmp/
 endif
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index 3f27d21..39be2be 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -153,7 +153,7 @@
 	return 0;
 }
 
-static struct irq_domain_ops pmc_irq_ops = {
+static const struct irq_domain_ops pmc_irq_ops = {
 	.map	= pmc_irq_map,
 	.xlate	= pmc_irq_domain_xlate,
 };
diff --git a/drivers/clk/clk-cdce706.c b/drivers/clk/clk-cdce706.c
index b8e4f8a..8a2dfd0 100644
--- a/drivers/clk/clk-cdce706.c
+++ b/drivers/clk/clk-cdce706.c
@@ -94,7 +94,7 @@
 	"clk_in0", "clk_in1",
 };
 
-static const char *cdce706_clkin_name[] = {
+static const char * const cdce706_clkin_name[] = {
 	"clk_in",
 };
 
@@ -102,7 +102,7 @@
 	"pll1", "pll2", "pll3",
 };
 
-static const char *cdce706_divider_parent_name[] = {
+static const char * const cdce706_divider_parent_name[] = {
 	"clk_in", "pll1", "pll2", "pll2", "pll3",
 };
 
diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
index 956b7e5..077f4c7 100644
--- a/drivers/clk/clk-composite.c
+++ b/drivers/clk/clk-composite.c
@@ -188,7 +188,7 @@
 }
 
 struct clk *clk_register_composite(struct device *dev, const char *name,
-			const char **parent_names, int num_parents,
+			const char * const *parent_names, int num_parents,
 			struct clk_hw *mux_hw, const struct clk_ops *mux_ops,
 			struct clk_hw *rate_hw, const struct clk_ops *rate_ops,
 			struct clk_hw *gate_hw, const struct clk_ops *gate_ops,
diff --git a/drivers/clk/clk-ls1x.c b/drivers/clk/clk-ls1x.c
index ca80103..d4c6198 100644
--- a/drivers/clk/clk-ls1x.c
+++ b/drivers/clk/clk-ls1x.c
@@ -80,9 +80,9 @@
 	return clk;
 }
 
-static const char const *cpu_parents[] = { "cpu_clk_div", "osc_33m_clk", };
-static const char const *ahb_parents[] = { "ahb_clk_div", "osc_33m_clk", };
-static const char const *dc_parents[] = { "dc_clk_div", "osc_33m_clk", };
+static const char * const cpu_parents[] = { "cpu_clk_div", "osc_33m_clk", };
+static const char * const ahb_parents[] = { "ahb_clk_div", "osc_33m_clk", };
+static const char * const dc_parents[] = { "dc_clk_div", "osc_33m_clk", };
 
 void __init ls1x_clk_init(void)
 {
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 69a094c..6066a01 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -114,7 +114,8 @@
 EXPORT_SYMBOL_GPL(clk_mux_ro_ops);
 
 struct clk *clk_register_mux_table(struct device *dev, const char *name,
-		const char **parent_names, u8 num_parents, unsigned long flags,
+		const char * const *parent_names, u8 num_parents,
+		unsigned long flags,
 		void __iomem *reg, u8 shift, u32 mask,
 		u8 clk_mux_flags, u32 *table, spinlock_t *lock)
 {
@@ -166,7 +167,8 @@
 EXPORT_SYMBOL_GPL(clk_register_mux_table);
 
 struct clk *clk_register_mux(struct device *dev, const char *name,
-		const char **parent_names, u8 num_parents, unsigned long flags,
+		const char * const *parent_names, u8 num_parents,
+		unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_mux_flags, spinlock_t *lock)
 {
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 5b0f418..9e9d18c 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -37,13 +37,6 @@
 static HLIST_HEAD(clk_orphan_list);
 static LIST_HEAD(clk_notifier_list);
 
-static long clk_core_get_accuracy(struct clk_core *clk);
-static unsigned long clk_core_get_rate(struct clk_core *clk);
-static int clk_core_get_phase(struct clk_core *clk);
-static bool clk_core_is_prepared(struct clk_core *clk);
-static bool clk_core_is_enabled(struct clk_core *clk);
-static struct clk_core *clk_core_lookup(const char *name);
-
 /***    private data structures    ***/
 
 struct clk_core {
@@ -145,382 +138,71 @@
 	spin_unlock_irqrestore(&enable_lock, flags);
 }
 
-/***        debugfs support        ***/
-
-#ifdef CONFIG_DEBUG_FS
-#include <linux/debugfs.h>
-
-static struct dentry *rootdir;
-static int inited = 0;
-static DEFINE_MUTEX(clk_debug_lock);
-static HLIST_HEAD(clk_debug_list);
-
-static struct hlist_head *all_lists[] = {
-	&clk_root_list,
-	&clk_orphan_list,
-	NULL,
-};
-
-static struct hlist_head *orphan_list[] = {
-	&clk_orphan_list,
-	NULL,
-};
-
-static void clk_summary_show_one(struct seq_file *s, struct clk_core *c,
-				 int level)
+static bool clk_core_is_prepared(struct clk_core *core)
 {
-	if (!c)
-		return;
+	/*
+	 * .is_prepared is optional for clocks that can prepare
+	 * fall back to software usage counter if it is missing
+	 */
+	if (!core->ops->is_prepared)
+		return core->prepare_count;
 
-	seq_printf(s, "%*s%-*s %11d %12d %11lu %10lu %-3d\n",
-		   level * 3 + 1, "",
-		   30 - level * 3, c->name,
-		   c->enable_count, c->prepare_count, clk_core_get_rate(c),
-		   clk_core_get_accuracy(c), clk_core_get_phase(c));
+	return core->ops->is_prepared(core->hw);
 }
 
-static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
-				     int level)
+static bool clk_core_is_enabled(struct clk_core *core)
 {
-	struct clk_core *child;
+	/*
+	 * .is_enabled is only mandatory for clocks that gate
+	 * fall back to software usage counter if .is_enabled is missing
+	 */
+	if (!core->ops->is_enabled)
+		return core->enable_count;
 
-	if (!c)
-		return;
-
-	clk_summary_show_one(s, c, level);
-
-	hlist_for_each_entry(child, &c->children, child_node)
-		clk_summary_show_subtree(s, child, level + 1);
+	return core->ops->is_enabled(core->hw);
 }
 
-static int clk_summary_show(struct seq_file *s, void *data)
-{
-	struct clk_core *c;
-	struct hlist_head **lists = (struct hlist_head **)s->private;
-
-	seq_puts(s, "   clock                         enable_cnt  prepare_cnt        rate   accuracy   phase\n");
-	seq_puts(s, "----------------------------------------------------------------------------------------\n");
-
-	clk_prepare_lock();
-
-	for (; *lists; lists++)
-		hlist_for_each_entry(c, *lists, child_node)
-			clk_summary_show_subtree(s, c, 0);
-
-	clk_prepare_unlock();
-
-	return 0;
-}
-
-
-static int clk_summary_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, clk_summary_show, inode->i_private);
-}
-
-static const struct file_operations clk_summary_fops = {
-	.open		= clk_summary_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level)
-{
-	if (!c)
-		return;
-
-	seq_printf(s, "\"%s\": { ", c->name);
-	seq_printf(s, "\"enable_count\": %d,", c->enable_count);
-	seq_printf(s, "\"prepare_count\": %d,", c->prepare_count);
-	seq_printf(s, "\"rate\": %lu", clk_core_get_rate(c));
-	seq_printf(s, "\"accuracy\": %lu", clk_core_get_accuracy(c));
-	seq_printf(s, "\"phase\": %d", clk_core_get_phase(c));
-}
-
-static void clk_dump_subtree(struct seq_file *s, struct clk_core *c, int level)
-{
-	struct clk_core *child;
-
-	if (!c)
-		return;
-
-	clk_dump_one(s, c, level);
-
-	hlist_for_each_entry(child, &c->children, child_node) {
-		seq_printf(s, ",");
-		clk_dump_subtree(s, child, level + 1);
-	}
-
-	seq_printf(s, "}");
-}
-
-static int clk_dump(struct seq_file *s, void *data)
-{
-	struct clk_core *c;
-	bool first_node = true;
-	struct hlist_head **lists = (struct hlist_head **)s->private;
-
-	seq_printf(s, "{");
-
-	clk_prepare_lock();
-
-	for (; *lists; lists++) {
-		hlist_for_each_entry(c, *lists, child_node) {
-			if (!first_node)
-				seq_puts(s, ",");
-			first_node = false;
-			clk_dump_subtree(s, c, 0);
-		}
-	}
-
-	clk_prepare_unlock();
-
-	seq_printf(s, "}");
-	return 0;
-}
-
-
-static int clk_dump_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, clk_dump, inode->i_private);
-}
-
-static const struct file_operations clk_dump_fops = {
-	.open		= clk_dump_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int clk_debug_create_one(struct clk_core *clk, struct dentry *pdentry)
-{
-	struct dentry *d;
-	int ret = -ENOMEM;
-
-	if (!clk || !pdentry) {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	d = debugfs_create_dir(clk->name, pdentry);
-	if (!d)
-		goto out;
-
-	clk->dentry = d;
-
-	d = debugfs_create_u32("clk_rate", S_IRUGO, clk->dentry,
-			(u32 *)&clk->rate);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_u32("clk_accuracy", S_IRUGO, clk->dentry,
-			(u32 *)&clk->accuracy);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_u32("clk_phase", S_IRUGO, clk->dentry,
-			(u32 *)&clk->phase);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_x32("clk_flags", S_IRUGO, clk->dentry,
-			(u32 *)&clk->flags);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_u32("clk_prepare_count", S_IRUGO, clk->dentry,
-			(u32 *)&clk->prepare_count);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_u32("clk_enable_count", S_IRUGO, clk->dentry,
-			(u32 *)&clk->enable_count);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_u32("clk_notifier_count", S_IRUGO, clk->dentry,
-			(u32 *)&clk->notifier_count);
-	if (!d)
-		goto err_out;
-
-	if (clk->ops->debug_init) {
-		ret = clk->ops->debug_init(clk->hw, clk->dentry);
-		if (ret)
-			goto err_out;
-	}
-
-	ret = 0;
-	goto out;
-
-err_out:
-	debugfs_remove_recursive(clk->dentry);
-	clk->dentry = NULL;
-out:
-	return ret;
-}
-
-/**
- * clk_debug_register - add a clk node to the debugfs clk tree
- * @clk: the clk being added to the debugfs clk tree
- *
- * Dynamically adds a clk to the debugfs clk tree if debugfs has been
- * initialized.  Otherwise it bails out early since the debugfs clk tree
- * will be created lazily by clk_debug_init as part of a late_initcall.
- */
-static int clk_debug_register(struct clk_core *clk)
-{
-	int ret = 0;
-
-	mutex_lock(&clk_debug_lock);
-	hlist_add_head(&clk->debug_node, &clk_debug_list);
-
-	if (!inited)
-		goto unlock;
-
-	ret = clk_debug_create_one(clk, rootdir);
-unlock:
-	mutex_unlock(&clk_debug_lock);
-
-	return ret;
-}
-
- /**
- * clk_debug_unregister - remove a clk node from the debugfs clk tree
- * @clk: the clk being removed from the debugfs clk tree
- *
- * Dynamically removes a clk and all it's children clk nodes from the
- * debugfs clk tree if clk->dentry points to debugfs created by
- * clk_debug_register in __clk_init.
- */
-static void clk_debug_unregister(struct clk_core *clk)
-{
-	mutex_lock(&clk_debug_lock);
-	hlist_del_init(&clk->debug_node);
-	debugfs_remove_recursive(clk->dentry);
-	clk->dentry = NULL;
-	mutex_unlock(&clk_debug_lock);
-}
-
-struct dentry *clk_debugfs_add_file(struct clk_hw *hw, char *name, umode_t mode,
-				void *data, const struct file_operations *fops)
-{
-	struct dentry *d = NULL;
-
-	if (hw->core->dentry)
-		d = debugfs_create_file(name, mode, hw->core->dentry, data,
-					fops);
-
-	return d;
-}
-EXPORT_SYMBOL_GPL(clk_debugfs_add_file);
-
-/**
- * clk_debug_init - lazily create the debugfs clk tree visualization
- *
- * clks are often initialized very early during boot before memory can
- * be dynamically allocated and well before debugfs is setup.
- * clk_debug_init walks the clk tree hierarchy while holding
- * prepare_lock and creates the topology as part of a late_initcall,
- * thus insuring that clks initialized very early will still be
- * represented in the debugfs clk tree.  This function should only be
- * called once at boot-time, and all other clks added dynamically will
- * be done so with clk_debug_register.
- */
-static int __init clk_debug_init(void)
-{
-	struct clk_core *clk;
-	struct dentry *d;
-
-	rootdir = debugfs_create_dir("clk", NULL);
-
-	if (!rootdir)
-		return -ENOMEM;
-
-	d = debugfs_create_file("clk_summary", S_IRUGO, rootdir, &all_lists,
-				&clk_summary_fops);
-	if (!d)
-		return -ENOMEM;
-
-	d = debugfs_create_file("clk_dump", S_IRUGO, rootdir, &all_lists,
-				&clk_dump_fops);
-	if (!d)
-		return -ENOMEM;
-
-	d = debugfs_create_file("clk_orphan_summary", S_IRUGO, rootdir,
-				&orphan_list, &clk_summary_fops);
-	if (!d)
-		return -ENOMEM;
-
-	d = debugfs_create_file("clk_orphan_dump", S_IRUGO, rootdir,
-				&orphan_list, &clk_dump_fops);
-	if (!d)
-		return -ENOMEM;
-
-	mutex_lock(&clk_debug_lock);
-	hlist_for_each_entry(clk, &clk_debug_list, debug_node)
-		clk_debug_create_one(clk, rootdir);
-
-	inited = 1;
-	mutex_unlock(&clk_debug_lock);
-
-	return 0;
-}
-late_initcall(clk_debug_init);
-#else
-static inline int clk_debug_register(struct clk_core *clk) { return 0; }
-static inline void clk_debug_reparent(struct clk_core *clk,
-				      struct clk_core *new_parent)
-{
-}
-static inline void clk_debug_unregister(struct clk_core *clk)
-{
-}
-#endif
-
-/* caller must hold prepare_lock */
-static void clk_unprepare_unused_subtree(struct clk_core *clk)
+static void clk_unprepare_unused_subtree(struct clk_core *core)
 {
 	struct clk_core *child;
 
 	lockdep_assert_held(&prepare_lock);
 
-	hlist_for_each_entry(child, &clk->children, child_node)
+	hlist_for_each_entry(child, &core->children, child_node)
 		clk_unprepare_unused_subtree(child);
 
-	if (clk->prepare_count)
+	if (core->prepare_count)
 		return;
 
-	if (clk->flags & CLK_IGNORE_UNUSED)
+	if (core->flags & CLK_IGNORE_UNUSED)
 		return;
 
-	if (clk_core_is_prepared(clk)) {
-		trace_clk_unprepare(clk);
-		if (clk->ops->unprepare_unused)
-			clk->ops->unprepare_unused(clk->hw);
-		else if (clk->ops->unprepare)
-			clk->ops->unprepare(clk->hw);
-		trace_clk_unprepare_complete(clk);
+	if (clk_core_is_prepared(core)) {
+		trace_clk_unprepare(core);
+		if (core->ops->unprepare_unused)
+			core->ops->unprepare_unused(core->hw);
+		else if (core->ops->unprepare)
+			core->ops->unprepare(core->hw);
+		trace_clk_unprepare_complete(core);
 	}
 }
 
-/* caller must hold prepare_lock */
-static void clk_disable_unused_subtree(struct clk_core *clk)
+static void clk_disable_unused_subtree(struct clk_core *core)
 {
 	struct clk_core *child;
 	unsigned long flags;
 
 	lockdep_assert_held(&prepare_lock);
 
-	hlist_for_each_entry(child, &clk->children, child_node)
+	hlist_for_each_entry(child, &core->children, child_node)
 		clk_disable_unused_subtree(child);
 
 	flags = clk_enable_lock();
 
-	if (clk->enable_count)
+	if (core->enable_count)
 		goto unlock_out;
 
-	if (clk->flags & CLK_IGNORE_UNUSED)
+	if (core->flags & CLK_IGNORE_UNUSED)
 		goto unlock_out;
 
 	/*
@@ -528,13 +210,13 @@
 	 * sequence.  call .disable_unused if available, otherwise fall
 	 * back to .disable
 	 */
-	if (clk_core_is_enabled(clk)) {
-		trace_clk_disable(clk);
-		if (clk->ops->disable_unused)
-			clk->ops->disable_unused(clk->hw);
-		else if (clk->ops->disable)
-			clk->ops->disable(clk->hw);
-		trace_clk_disable_complete(clk);
+	if (clk_core_is_enabled(core)) {
+		trace_clk_disable(core);
+		if (core->ops->disable_unused)
+			core->ops->disable_unused(core->hw);
+		else if (core->ops->disable)
+			core->ops->disable(core->hw);
+		trace_clk_disable_complete(core);
 	}
 
 unlock_out:
@@ -551,7 +233,7 @@
 
 static int clk_disable_unused(void)
 {
-	struct clk_core *clk;
+	struct clk_core *core;
 
 	if (clk_ignore_unused) {
 		pr_warn("clk: Not disabling unused clocks\n");
@@ -560,17 +242,17 @@
 
 	clk_prepare_lock();
 
-	hlist_for_each_entry(clk, &clk_root_list, child_node)
-		clk_disable_unused_subtree(clk);
+	hlist_for_each_entry(core, &clk_root_list, child_node)
+		clk_disable_unused_subtree(core);
 
-	hlist_for_each_entry(clk, &clk_orphan_list, child_node)
-		clk_disable_unused_subtree(clk);
+	hlist_for_each_entry(core, &clk_orphan_list, child_node)
+		clk_disable_unused_subtree(core);
 
-	hlist_for_each_entry(clk, &clk_root_list, child_node)
-		clk_unprepare_unused_subtree(clk);
+	hlist_for_each_entry(core, &clk_root_list, child_node)
+		clk_unprepare_unused_subtree(core);
 
-	hlist_for_each_entry(clk, &clk_orphan_list, child_node)
-		clk_unprepare_unused_subtree(clk);
+	hlist_for_each_entry(core, &clk_orphan_list, child_node)
+		clk_unprepare_unused_subtree(core);
 
 	clk_prepare_unlock();
 
@@ -608,151 +290,16 @@
 }
 EXPORT_SYMBOL_GPL(__clk_get_parent);
 
-static struct clk_core *clk_core_get_parent_by_index(struct clk_core *clk,
-							 u8 index)
-{
-	if (!clk || index >= clk->num_parents)
-		return NULL;
-	else if (!clk->parents)
-		return clk_core_lookup(clk->parent_names[index]);
-	else if (!clk->parents[index])
-		return clk->parents[index] =
-			clk_core_lookup(clk->parent_names[index]);
-	else
-		return clk->parents[index];
-}
-
-struct clk *clk_get_parent_by_index(struct clk *clk, u8 index)
-{
-	struct clk_core *parent;
-
-	if (!clk)
-		return NULL;
-
-	parent = clk_core_get_parent_by_index(clk->core, index);
-
-	return !parent ? NULL : parent->hw->clk;
-}
-EXPORT_SYMBOL_GPL(clk_get_parent_by_index);
-
-unsigned int __clk_get_enable_count(struct clk *clk)
-{
-	return !clk ? 0 : clk->core->enable_count;
-}
-
-static unsigned long clk_core_get_rate_nolock(struct clk_core *clk)
-{
-	unsigned long ret;
-
-	if (!clk) {
-		ret = 0;
-		goto out;
-	}
-
-	ret = clk->rate;
-
-	if (clk->flags & CLK_IS_ROOT)
-		goto out;
-
-	if (!clk->parent)
-		ret = 0;
-
-out:
-	return ret;
-}
-
-unsigned long __clk_get_rate(struct clk *clk)
-{
-	if (!clk)
-		return 0;
-
-	return clk_core_get_rate_nolock(clk->core);
-}
-EXPORT_SYMBOL_GPL(__clk_get_rate);
-
-static unsigned long __clk_get_accuracy(struct clk_core *clk)
-{
-	if (!clk)
-		return 0;
-
-	return clk->accuracy;
-}
-
-unsigned long __clk_get_flags(struct clk *clk)
-{
-	return !clk ? 0 : clk->core->flags;
-}
-EXPORT_SYMBOL_GPL(__clk_get_flags);
-
-static bool clk_core_is_prepared(struct clk_core *clk)
-{
-	int ret;
-
-	if (!clk)
-		return false;
-
-	/*
-	 * .is_prepared is optional for clocks that can prepare
-	 * fall back to software usage counter if it is missing
-	 */
-	if (!clk->ops->is_prepared) {
-		ret = clk->prepare_count ? 1 : 0;
-		goto out;
-	}
-
-	ret = clk->ops->is_prepared(clk->hw);
-out:
-	return !!ret;
-}
-
-bool __clk_is_prepared(struct clk *clk)
-{
-	if (!clk)
-		return false;
-
-	return clk_core_is_prepared(clk->core);
-}
-
-static bool clk_core_is_enabled(struct clk_core *clk)
-{
-	int ret;
-
-	if (!clk)
-		return false;
-
-	/*
-	 * .is_enabled is only mandatory for clocks that gate
-	 * fall back to software usage counter if .is_enabled is missing
-	 */
-	if (!clk->ops->is_enabled) {
-		ret = clk->enable_count ? 1 : 0;
-		goto out;
-	}
-
-	ret = clk->ops->is_enabled(clk->hw);
-out:
-	return !!ret;
-}
-
-bool __clk_is_enabled(struct clk *clk)
-{
-	if (!clk)
-		return false;
-
-	return clk_core_is_enabled(clk->core);
-}
-EXPORT_SYMBOL_GPL(__clk_is_enabled);
-
 static struct clk_core *__clk_lookup_subtree(const char *name,
-					     struct clk_core *clk)
+					     struct clk_core *core)
 {
 	struct clk_core *child;
 	struct clk_core *ret;
 
-	if (!strcmp(clk->name, name))
-		return clk;
+	if (!strcmp(core->name, name))
+		return core;
 
-	hlist_for_each_entry(child, &clk->children, child_node) {
+	hlist_for_each_entry(child, &core->children, child_node) {
 		ret = __clk_lookup_subtree(name, child);
 		if (ret)
 			return ret;
@@ -786,6 +333,99 @@
 	return NULL;
 }
 
+static struct clk_core *clk_core_get_parent_by_index(struct clk_core *core,
+							 u8 index)
+{
+	if (!core || index >= core->num_parents)
+		return NULL;
+	else if (!core->parents)
+		return clk_core_lookup(core->parent_names[index]);
+	else if (!core->parents[index])
+		return core->parents[index] =
+			clk_core_lookup(core->parent_names[index]);
+	else
+		return core->parents[index];
+}
+
+struct clk *clk_get_parent_by_index(struct clk *clk, u8 index)
+{
+	struct clk_core *parent;
+
+	if (!clk)
+		return NULL;
+
+	parent = clk_core_get_parent_by_index(clk->core, index);
+
+	return !parent ? NULL : parent->hw->clk;
+}
+EXPORT_SYMBOL_GPL(clk_get_parent_by_index);
+
+unsigned int __clk_get_enable_count(struct clk *clk)
+{
+	return !clk ? 0 : clk->core->enable_count;
+}
+
+static unsigned long clk_core_get_rate_nolock(struct clk_core *core)
+{
+	unsigned long ret;
+
+	if (!core) {
+		ret = 0;
+		goto out;
+	}
+
+	ret = core->rate;
+
+	if (core->flags & CLK_IS_ROOT)
+		goto out;
+
+	if (!core->parent)
+		ret = 0;
+
+out:
+	return ret;
+}
+
+unsigned long __clk_get_rate(struct clk *clk)
+{
+	if (!clk)
+		return 0;
+
+	return clk_core_get_rate_nolock(clk->core);
+}
+EXPORT_SYMBOL_GPL(__clk_get_rate);
+
+static unsigned long __clk_get_accuracy(struct clk_core *core)
+{
+	if (!core)
+		return 0;
+
+	return core->accuracy;
+}
+
+unsigned long __clk_get_flags(struct clk *clk)
+{
+	return !clk ? 0 : clk->core->flags;
+}
+EXPORT_SYMBOL_GPL(__clk_get_flags);
+
+bool __clk_is_prepared(struct clk *clk)
+{
+	if (!clk)
+		return false;
+
+	return clk_core_is_prepared(clk->core);
+}
+
+bool __clk_is_enabled(struct clk *clk)
+{
+	if (!clk)
+		return false;
+
+	return clk_core_is_enabled(clk->core);
+}
+EXPORT_SYMBOL_GPL(__clk_is_enabled);
+
 static bool mux_is_better_rate(unsigned long rate, unsigned long now,
 			   unsigned long best, unsigned long flags)
 {
@@ -853,7 +493,7 @@
 	return !core ? NULL : core->hw->clk;
 }
 
-static void clk_core_get_boundaries(struct clk_core *clk,
+static void clk_core_get_boundaries(struct clk_core *core,
 				    unsigned long *min_rate,
 				    unsigned long *max_rate)
 {
@@ -862,10 +502,10 @@
 	*min_rate = 0;
 	*max_rate = ULONG_MAX;
 
-	hlist_for_each_entry(clk_user, &clk->clks, clks_node)
+	hlist_for_each_entry(clk_user, &core->clks, clks_node)
 		*min_rate = max(*min_rate, clk_user->min_rate);
 
-	hlist_for_each_entry(clk_user, &clk->clks, clks_node)
+	hlist_for_each_entry(clk_user, &core->clks, clks_node)
 		*max_rate = min(*max_rate, clk_user->max_rate);
 }
 
@@ -901,26 +541,26 @@
 
 /***        clk api        ***/
 
-static void clk_core_unprepare(struct clk_core *clk)
+static void clk_core_unprepare(struct clk_core *core)
 {
-	if (!clk)
+	if (!core)
 		return;
 
-	if (WARN_ON(clk->prepare_count == 0))
+	if (WARN_ON(core->prepare_count == 0))
 		return;
 
-	if (--clk->prepare_count > 0)
+	if (--core->prepare_count > 0)
 		return;
 
-	WARN_ON(clk->enable_count > 0);
+	WARN_ON(core->enable_count > 0);
 
-	trace_clk_unprepare(clk);
+	trace_clk_unprepare(core);
 
-	if (clk->ops->unprepare)
-		clk->ops->unprepare(clk->hw);
+	if (core->ops->unprepare)
+		core->ops->unprepare(core->hw);
 
-	trace_clk_unprepare_complete(clk);
-	clk_core_unprepare(clk->parent);
+	trace_clk_unprepare_complete(core);
+	clk_core_unprepare(core->parent);
 }
 
 /**
@@ -945,32 +585,32 @@
 }
 EXPORT_SYMBOL_GPL(clk_unprepare);
 
-static int clk_core_prepare(struct clk_core *clk)
+static int clk_core_prepare(struct clk_core *core)
 {
 	int ret = 0;
 
-	if (!clk)
+	if (!core)
 		return 0;
 
-	if (clk->prepare_count == 0) {
-		ret = clk_core_prepare(clk->parent);
+	if (core->prepare_count == 0) {
+		ret = clk_core_prepare(core->parent);
 		if (ret)
 			return ret;
 
-		trace_clk_prepare(clk);
+		trace_clk_prepare(core);
 
-		if (clk->ops->prepare)
-			ret = clk->ops->prepare(clk->hw);
+		if (core->ops->prepare)
+			ret = core->ops->prepare(core->hw);
 
-		trace_clk_prepare_complete(clk);
+		trace_clk_prepare_complete(core);
 
 		if (ret) {
-			clk_core_unprepare(clk->parent);
+			clk_core_unprepare(core->parent);
 			return ret;
 		}
 	}
 
-	clk->prepare_count++;
+	core->prepare_count++;
 
 	return 0;
 }
@@ -1002,33 +642,25 @@
 }
 EXPORT_SYMBOL_GPL(clk_prepare);
 
-static void clk_core_disable(struct clk_core *clk)
+static void clk_core_disable(struct clk_core *core)
 {
-	if (!clk)
+	if (!core)
 		return;
 
-	if (WARN_ON(clk->enable_count == 0))
+	if (WARN_ON(core->enable_count == 0))
 		return;
 
-	if (--clk->enable_count > 0)
+	if (--core->enable_count > 0)
 		return;
 
-	trace_clk_disable(clk);
+	trace_clk_disable(core);
 
-	if (clk->ops->disable)
-		clk->ops->disable(clk->hw);
+	if (core->ops->disable)
+		core->ops->disable(core->hw);
 
-	trace_clk_disable_complete(clk);
+	trace_clk_disable_complete(core);
 
-	clk_core_disable(clk->parent);
-}
-
-static void __clk_disable(struct clk *clk)
-{
-	if (!clk)
-		return;
-
-	clk_core_disable(clk->core);
+	clk_core_disable(core->parent);
 }
 
 /**
@@ -1051,52 +683,44 @@
 		return;
 
 	flags = clk_enable_lock();
-	__clk_disable(clk);
+	clk_core_disable(clk->core);
 	clk_enable_unlock(flags);
 }
 EXPORT_SYMBOL_GPL(clk_disable);
 
-static int clk_core_enable(struct clk_core *clk)
+static int clk_core_enable(struct clk_core *core)
 {
 	int ret = 0;
 
-	if (!clk)
+	if (!core)
 		return 0;
 
-	if (WARN_ON(clk->prepare_count == 0))
+	if (WARN_ON(core->prepare_count == 0))
 		return -ESHUTDOWN;
 
-	if (clk->enable_count == 0) {
-		ret = clk_core_enable(clk->parent);
+	if (core->enable_count == 0) {
+		ret = clk_core_enable(core->parent);
 
 		if (ret)
 			return ret;
 
-		trace_clk_enable(clk);
+		trace_clk_enable(core);
 
-		if (clk->ops->enable)
-			ret = clk->ops->enable(clk->hw);
+		if (core->ops->enable)
+			ret = core->ops->enable(core->hw);
 
-		trace_clk_enable_complete(clk);
+		trace_clk_enable_complete(core);
 
 		if (ret) {
-			clk_core_disable(clk->parent);
+			clk_core_disable(core->parent);
 			return ret;
 		}
 	}
 
-	clk->enable_count++;
+	core->enable_count++;
 	return 0;
 }
 
-static int __clk_enable(struct clk *clk)
-{
-	if (!clk)
-		return 0;
-
-	return clk_core_enable(clk->core);
-}
-
 /**
  * clk_enable - ungate a clock
  * @clk: the clk being ungated
@@ -1115,15 +739,18 @@
 	unsigned long flags;
 	int ret;
 
+	if (!clk)
+		return 0;
+
 	flags = clk_enable_lock();
-	ret = __clk_enable(clk);
+	ret = clk_core_enable(clk->core);
 	clk_enable_unlock(flags);
 
 	return ret;
 }
 EXPORT_SYMBOL_GPL(clk_enable);
 
-static unsigned long clk_core_round_rate_nolock(struct clk_core *clk,
+static unsigned long clk_core_round_rate_nolock(struct clk_core *core,
 						unsigned long rate,
 						unsigned long min_rate,
 						unsigned long max_rate)
@@ -1134,25 +761,25 @@
 
 	lockdep_assert_held(&prepare_lock);
 
-	if (!clk)
+	if (!core)
 		return 0;
 
-	parent = clk->parent;
+	parent = core->parent;
 	if (parent)
 		parent_rate = parent->rate;
 
-	if (clk->ops->determine_rate) {
+	if (core->ops->determine_rate) {
 		parent_hw = parent ? parent->hw : NULL;
-		return clk->ops->determine_rate(clk->hw, rate,
+		return core->ops->determine_rate(core->hw, rate,
 						min_rate, max_rate,
 						&parent_rate, &parent_hw);
-	} else if (clk->ops->round_rate)
-		return clk->ops->round_rate(clk->hw, rate, &parent_rate);
-	else if (clk->flags & CLK_SET_RATE_PARENT)
-		return clk_core_round_rate_nolock(clk->parent, rate, min_rate,
+	} else if (core->ops->round_rate)
+		return core->ops->round_rate(core->hw, rate, &parent_rate);
+	else if (core->flags & CLK_SET_RATE_PARENT)
+		return clk_core_round_rate_nolock(core->parent, rate, min_rate,
 						  max_rate);
 	else
-		return clk->rate;
+		return core->rate;
 }
 
 /**
@@ -1162,8 +789,7 @@
  * @min_rate: returned rate must be greater than this rate
  * @max_rate: returned rate must be less than this rate
  *
- * Caller must hold prepare_lock.  Useful for clk_ops such as .set_rate and
- * .determine_rate.
+ * Useful for clk_ops such as .set_rate and .determine_rate.
  */
 unsigned long __clk_determine_rate(struct clk_hw *hw,
 				   unsigned long rate,
@@ -1182,7 +808,7 @@
  * @clk: round the rate of this clock
  * @rate: the rate which is to be rounded
  *
- * Caller must hold prepare_lock.  Useful for clk_ops such as .set_rate
+ * Useful for clk_ops such as .set_rate
  */
 unsigned long __clk_round_rate(struct clk *clk, unsigned long rate)
 {
@@ -1224,7 +850,7 @@
 
 /**
  * __clk_notify - call clk notifier chain
- * @clk: struct clk * that is changing rate
+ * @core: clk that is changing rate
  * @msg: clk notifier type (see include/linux/clk.h)
  * @old_rate: old clk rate
  * @new_rate: new clk rate
@@ -1236,7 +862,7 @@
  * called if all went well, or NOTIFY_STOP or NOTIFY_BAD immediately if
  * a driver returns that.
  */
-static int __clk_notify(struct clk_core *clk, unsigned long msg,
+static int __clk_notify(struct clk_core *core, unsigned long msg,
 		unsigned long old_rate, unsigned long new_rate)
 {
 	struct clk_notifier *cn;
@@ -1247,7 +873,7 @@
 	cnd.new_rate = new_rate;
 
 	list_for_each_entry(cn, &clk_notifier_list, node) {
-		if (cn->clk->core == clk) {
+		if (cn->clk->core == core) {
 			cnd.clk = cn->clk;
 			ret = srcu_notifier_call_chain(&cn->notifier_head, msg,
 					&cnd);
@@ -1259,44 +885,42 @@
 
 /**
  * __clk_recalc_accuracies
- * @clk: first clk in the subtree
+ * @core: first clk in the subtree
  *
  * Walks the subtree of clks starting with clk and recalculates accuracies as
  * it goes.  Note that if a clk does not implement the .recalc_accuracy
- * callback then it is assumed that the clock will take on the accuracy of it's
+ * callback then it is assumed that the clock will take on the accuracy of its
  * parent.
- *
- * Caller must hold prepare_lock.
  */
-static void __clk_recalc_accuracies(struct clk_core *clk)
+static void __clk_recalc_accuracies(struct clk_core *core)
 {
 	unsigned long parent_accuracy = 0;
 	struct clk_core *child;
 
 	lockdep_assert_held(&prepare_lock);
 
-	if (clk->parent)
-		parent_accuracy = clk->parent->accuracy;
+	if (core->parent)
+		parent_accuracy = core->parent->accuracy;
 
-	if (clk->ops->recalc_accuracy)
-		clk->accuracy = clk->ops->recalc_accuracy(clk->hw,
+	if (core->ops->recalc_accuracy)
+		core->accuracy = core->ops->recalc_accuracy(core->hw,
 							  parent_accuracy);
 	else
-		clk->accuracy = parent_accuracy;
+		core->accuracy = parent_accuracy;
 
-	hlist_for_each_entry(child, &clk->children, child_node)
+	hlist_for_each_entry(child, &core->children, child_node)
 		__clk_recalc_accuracies(child);
 }
 
-static long clk_core_get_accuracy(struct clk_core *clk)
+static long clk_core_get_accuracy(struct clk_core *core)
 {
 	unsigned long accuracy;
 
 	clk_prepare_lock();
-	if (clk && (clk->flags & CLK_GET_ACCURACY_NOCACHE))
-		__clk_recalc_accuracies(clk);
+	if (core && (core->flags & CLK_GET_ACCURACY_NOCACHE))
+		__clk_recalc_accuracies(core);
 
-	accuracy = __clk_get_accuracy(clk);
+	accuracy = __clk_get_accuracy(core);
 	clk_prepare_unlock();
 
 	return accuracy;
@@ -1320,17 +944,17 @@
 }
 EXPORT_SYMBOL_GPL(clk_get_accuracy);
 
-static unsigned long clk_recalc(struct clk_core *clk,
+static unsigned long clk_recalc(struct clk_core *core,
 				unsigned long parent_rate)
 {
-	if (clk->ops->recalc_rate)
-		return clk->ops->recalc_rate(clk->hw, parent_rate);
+	if (core->ops->recalc_rate)
+		return core->ops->recalc_rate(core->hw, parent_rate);
 	return parent_rate;
 }
 
 /**
  * __clk_recalc_rates
- * @clk: first clk in the subtree
+ * @core: first clk in the subtree
  * @msg: notification type (see include/linux/clk.h)
  *
  * Walks the subtree of clks starting with clk and recalculates rates as it
@@ -1339,10 +963,8 @@
  *
  * clk_recalc_rates also propagates the POST_RATE_CHANGE notification,
  * if necessary.
- *
- * Caller must hold prepare_lock.
  */
-static void __clk_recalc_rates(struct clk_core *clk, unsigned long msg)
+static void __clk_recalc_rates(struct clk_core *core, unsigned long msg)
 {
 	unsigned long old_rate;
 	unsigned long parent_rate = 0;
@@ -1350,34 +972,34 @@
 
 	lockdep_assert_held(&prepare_lock);
 
-	old_rate = clk->rate;
+	old_rate = core->rate;
 
-	if (clk->parent)
-		parent_rate = clk->parent->rate;
+	if (core->parent)
+		parent_rate = core->parent->rate;
 
-	clk->rate = clk_recalc(clk, parent_rate);
+	core->rate = clk_recalc(core, parent_rate);
 
 	/*
 	 * ignore NOTIFY_STOP and NOTIFY_BAD return values for POST_RATE_CHANGE
 	 * & ABORT_RATE_CHANGE notifiers
 	 */
-	if (clk->notifier_count && msg)
-		__clk_notify(clk, msg, old_rate, clk->rate);
+	if (core->notifier_count && msg)
+		__clk_notify(core, msg, old_rate, core->rate);
 
-	hlist_for_each_entry(child, &clk->children, child_node)
+	hlist_for_each_entry(child, &core->children, child_node)
 		__clk_recalc_rates(child, msg);
 }
 
-static unsigned long clk_core_get_rate(struct clk_core *clk)
+static unsigned long clk_core_get_rate(struct clk_core *core)
 {
 	unsigned long rate;
 
 	clk_prepare_lock();
 
-	if (clk && (clk->flags & CLK_GET_RATE_NOCACHE))
-		__clk_recalc_rates(clk, 0);
+	if (core && (core->flags & CLK_GET_RATE_NOCACHE))
+		__clk_recalc_rates(core, 0);
 
-	rate = clk_core_get_rate_nolock(clk);
+	rate = clk_core_get_rate_nolock(core);
 	clk_prepare_unlock();
 
 	return rate;
@@ -1400,15 +1022,15 @@
 }
 EXPORT_SYMBOL_GPL(clk_get_rate);
 
-static int clk_fetch_parent_index(struct clk_core *clk,
+static int clk_fetch_parent_index(struct clk_core *core,
 				  struct clk_core *parent)
 {
 	int i;
 
-	if (!clk->parents) {
-		clk->parents = kcalloc(clk->num_parents,
+	if (!core->parents) {
+		core->parents = kcalloc(core->num_parents,
 					sizeof(struct clk *), GFP_KERNEL);
-		if (!clk->parents)
+		if (!core->parents)
 			return -ENOMEM;
 	}
 
@@ -1417,15 +1039,15 @@
 	 * or if not yet cached, use string name comparison and cache
 	 * them now to avoid future calls to clk_core_lookup.
 	 */
-	for (i = 0; i < clk->num_parents; i++) {
-		if (clk->parents[i] == parent)
+	for (i = 0; i < core->num_parents; i++) {
+		if (core->parents[i] == parent)
 			return i;
 
-		if (clk->parents[i])
+		if (core->parents[i])
 			continue;
 
-		if (!strcmp(clk->parent_names[i], parent->name)) {
-			clk->parents[i] = clk_core_lookup(parent->name);
+		if (!strcmp(core->parent_names[i], parent->name)) {
+			core->parents[i] = clk_core_lookup(parent->name);
 			return i;
 		}
 	}
@@ -1433,28 +1055,28 @@
 	return -EINVAL;
 }
 
-static void clk_reparent(struct clk_core *clk, struct clk_core *new_parent)
+static void clk_reparent(struct clk_core *core, struct clk_core *new_parent)
 {
-	hlist_del(&clk->child_node);
+	hlist_del(&core->child_node);
 
 	if (new_parent) {
 		/* avoid duplicate POST_RATE_CHANGE notifications */
-		if (new_parent->new_child == clk)
+		if (new_parent->new_child == core)
 			new_parent->new_child = NULL;
 
-		hlist_add_head(&clk->child_node, &new_parent->children);
+		hlist_add_head(&core->child_node, &new_parent->children);
 	} else {
-		hlist_add_head(&clk->child_node, &clk_orphan_list);
+		hlist_add_head(&core->child_node, &clk_orphan_list);
 	}
 
-	clk->parent = new_parent;
+	core->parent = new_parent;
 }
 
-static struct clk_core *__clk_set_parent_before(struct clk_core *clk,
+static struct clk_core *__clk_set_parent_before(struct clk_core *core,
 					   struct clk_core *parent)
 {
 	unsigned long flags;
-	struct clk_core *old_parent = clk->parent;
+	struct clk_core *old_parent = core->parent;
 
 	/*
 	 * Migrate prepare state between parents and prevent race with
@@ -1473,17 +1095,17 @@
 	 *
 	 * See also: Comment for clk_set_parent() below.
 	 */
-	if (clk->prepare_count) {
+	if (core->prepare_count) {
 		clk_core_prepare(parent);
 		flags = clk_enable_lock();
 		clk_core_enable(parent);
-		clk_core_enable(clk);
+		clk_core_enable(core);
 		clk_enable_unlock(flags);
 	}
 
 	/* update the clk tree topology */
 	flags = clk_enable_lock();
-	clk_reparent(clk, parent);
+	clk_reparent(core, parent);
 	clk_enable_unlock(flags);
 
 	return old_parent;
@@ -1508,31 +1130,31 @@
 	}
 }
 
-static int __clk_set_parent(struct clk_core *clk, struct clk_core *parent,
+static int __clk_set_parent(struct clk_core *core, struct clk_core *parent,
 			    u8 p_index)
 {
 	unsigned long flags;
 	int ret = 0;
 	struct clk_core *old_parent;
 
-	old_parent = __clk_set_parent_before(clk, parent);
+	old_parent = __clk_set_parent_before(core, parent);
 
-	trace_clk_set_parent(clk, parent);
+	trace_clk_set_parent(core, parent);
 
 	/* change clock input source */
-	if (parent && clk->ops->set_parent)
-		ret = clk->ops->set_parent(clk->hw, p_index);
+	if (parent && core->ops->set_parent)
+		ret = core->ops->set_parent(core->hw, p_index);
 
-	trace_clk_set_parent_complete(clk, parent);
+	trace_clk_set_parent_complete(core, parent);
 
 	if (ret) {
 		flags = clk_enable_lock();
-		clk_reparent(clk, old_parent);
+		clk_reparent(core, old_parent);
 		clk_enable_unlock(flags);
 
-		if (clk->prepare_count) {
+		if (core->prepare_count) {
 			flags = clk_enable_lock();
-			clk_core_disable(clk);
+			clk_core_disable(core);
 			clk_core_disable(parent);
 			clk_enable_unlock(flags);
 			clk_core_unprepare(parent);
@@ -1540,14 +1162,14 @@
 		return ret;
 	}
 
-	__clk_set_parent_after(clk, parent, old_parent);
+	__clk_set_parent_after(core, parent, old_parent);
 
 	return 0;
 }
 
 /**
  * __clk_speculate_rates
- * @clk: first clk in the subtree
+ * @core: first clk in the subtree
  * @parent_rate: the "future" rate of clk's parent
  *
  * Walks the subtree of clks starting with clk, speculating rates as it
@@ -1558,10 +1180,8 @@
  * subtree have subscribed to the notifications.  Note that if a clk does not
  * implement the .recalc_rate callback then it is assumed that the clock will
  * take on the rate of its parent.
- *
- * Caller must hold prepare_lock.
  */
-static int __clk_speculate_rates(struct clk_core *clk,
+static int __clk_speculate_rates(struct clk_core *core,
 				 unsigned long parent_rate)
 {
 	struct clk_core *child;
@@ -1570,19 +1190,19 @@
 
 	lockdep_assert_held(&prepare_lock);
 
-	new_rate = clk_recalc(clk, parent_rate);
+	new_rate = clk_recalc(core, parent_rate);
 
 	/* abort rate change if a driver returns NOTIFY_BAD or NOTIFY_STOP */
-	if (clk->notifier_count)
-		ret = __clk_notify(clk, PRE_RATE_CHANGE, clk->rate, new_rate);
+	if (core->notifier_count)
+		ret = __clk_notify(core, PRE_RATE_CHANGE, core->rate, new_rate);
 
 	if (ret & NOTIFY_STOP_MASK) {
 		pr_debug("%s: clk notifier callback for clock %s aborted with error %d\n",
-				__func__, clk->name, ret);
+				__func__, core->name, ret);
 		goto out;
 	}
 
-	hlist_for_each_entry(child, &clk->children, child_node) {
+	hlist_for_each_entry(child, &core->children, child_node) {
 		ret = __clk_speculate_rates(child, new_rate);
 		if (ret & NOTIFY_STOP_MASK)
 			break;
@@ -1592,20 +1212,20 @@
 	return ret;
 }
 
-static void clk_calc_subtree(struct clk_core *clk, unsigned long new_rate,
+static void clk_calc_subtree(struct clk_core *core, unsigned long new_rate,
 			     struct clk_core *new_parent, u8 p_index)
 {
 	struct clk_core *child;
 
-	clk->new_rate = new_rate;
-	clk->new_parent = new_parent;
-	clk->new_parent_index = p_index;
+	core->new_rate = new_rate;
+	core->new_parent = new_parent;
+	core->new_parent_index = p_index;
 	/* include clk in new parent's PRE_RATE_CHANGE notifications */
-	clk->new_child = NULL;
-	if (new_parent && new_parent != clk->parent)
-		new_parent->new_child = clk;
+	core->new_child = NULL;
+	if (new_parent && new_parent != core->parent)
+		new_parent->new_child = core;
 
-	hlist_for_each_entry(child, &clk->children, child_node) {
+	hlist_for_each_entry(child, &core->children, child_node) {
 		child->new_rate = clk_recalc(child, new_rate);
 		clk_calc_subtree(child, child->new_rate, NULL, 0);
 	}
@@ -1615,10 +1235,10 @@
  * calculate the new rates returning the topmost clock that has to be
  * changed.
  */
-static struct clk_core *clk_calc_new_rates(struct clk_core *clk,
+static struct clk_core *clk_calc_new_rates(struct clk_core *core,
 					   unsigned long rate)
 {
-	struct clk_core *top = clk;
+	struct clk_core *top = core;
 	struct clk_core *old_parent, *parent;
 	struct clk_hw *parent_hw;
 	unsigned long best_parent_rate = 0;
@@ -1629,20 +1249,20 @@
 	long ret;
 
 	/* sanity */
-	if (IS_ERR_OR_NULL(clk))
+	if (IS_ERR_OR_NULL(core))
 		return NULL;
 
 	/* save parent rate, if it exists */
-	parent = old_parent = clk->parent;
+	parent = old_parent = core->parent;
 	if (parent)
 		best_parent_rate = parent->rate;
 
-	clk_core_get_boundaries(clk, &min_rate, &max_rate);
+	clk_core_get_boundaries(core, &min_rate, &max_rate);
 
 	/* find the closest rate and parent clk/rate */
-	if (clk->ops->determine_rate) {
+	if (core->ops->determine_rate) {
 		parent_hw = parent ? parent->hw : NULL;
-		ret = clk->ops->determine_rate(clk->hw, rate,
+		ret = core->ops->determine_rate(core->hw, rate,
 					       min_rate,
 					       max_rate,
 					       &best_parent_rate,
@@ -1652,8 +1272,8 @@
 
 		new_rate = ret;
 		parent = parent_hw ? parent_hw->core : NULL;
-	} else if (clk->ops->round_rate) {
-		ret = clk->ops->round_rate(clk->hw, rate,
+	} else if (core->ops->round_rate) {
+		ret = core->ops->round_rate(core->hw, rate,
 					   &best_parent_rate);
 		if (ret < 0)
 			return NULL;
@@ -1661,9 +1281,9 @@
 		new_rate = ret;
 		if (new_rate < min_rate || new_rate > max_rate)
 			return NULL;
-	} else if (!parent || !(clk->flags & CLK_SET_RATE_PARENT)) {
+	} else if (!parent || !(core->flags & CLK_SET_RATE_PARENT)) {
 		/* pass-through clock without adjustable parent */
-		clk->new_rate = clk->rate;
+		core->new_rate = core->rate;
 		return NULL;
 	} else {
 		/* pass-through clock with adjustable parent */
@@ -1674,28 +1294,28 @@
 
 	/* some clocks must be gated to change parent */
 	if (parent != old_parent &&
-	    (clk->flags & CLK_SET_PARENT_GATE) && clk->prepare_count) {
+	    (core->flags & CLK_SET_PARENT_GATE) && core->prepare_count) {
 		pr_debug("%s: %s not gated but wants to reparent\n",
-			 __func__, clk->name);
+			 __func__, core->name);
 		return NULL;
 	}
 
 	/* try finding the new parent index */
-	if (parent && clk->num_parents > 1) {
-		p_index = clk_fetch_parent_index(clk, parent);
+	if (parent && core->num_parents > 1) {
+		p_index = clk_fetch_parent_index(core, parent);
 		if (p_index < 0) {
 			pr_debug("%s: clk %s can not be parent of clk %s\n",
-				 __func__, parent->name, clk->name);
+				 __func__, parent->name, core->name);
 			return NULL;
 		}
 	}
 
-	if ((clk->flags & CLK_SET_RATE_PARENT) && parent &&
+	if ((core->flags & CLK_SET_RATE_PARENT) && parent &&
 	    best_parent_rate != parent->rate)
 		top = clk_calc_new_rates(parent, best_parent_rate);
 
 out:
-	clk_calc_subtree(clk, new_rate, parent, p_index);
+	clk_calc_subtree(core, new_rate, parent, p_index);
 
 	return top;
 }
@@ -1705,33 +1325,33 @@
  * so that in case of an error we can walk down the whole tree again and
  * abort the change.
  */
-static struct clk_core *clk_propagate_rate_change(struct clk_core *clk,
+static struct clk_core *clk_propagate_rate_change(struct clk_core *core,
 						  unsigned long event)
 {
 	struct clk_core *child, *tmp_clk, *fail_clk = NULL;
 	int ret = NOTIFY_DONE;
 
-	if (clk->rate == clk->new_rate)
+	if (core->rate == core->new_rate)
 		return NULL;
 
-	if (clk->notifier_count) {
-		ret = __clk_notify(clk, event, clk->rate, clk->new_rate);
+	if (core->notifier_count) {
+		ret = __clk_notify(core, event, core->rate, core->new_rate);
 		if (ret & NOTIFY_STOP_MASK)
-			fail_clk = clk;
+			fail_clk = core;
 	}
 
-	hlist_for_each_entry(child, &clk->children, child_node) {
+	hlist_for_each_entry(child, &core->children, child_node) {
 		/* Skip children who will be reparented to another clock */
-		if (child->new_parent && child->new_parent != clk)
+		if (child->new_parent && child->new_parent != core)
 			continue;
 		tmp_clk = clk_propagate_rate_change(child, event);
 		if (tmp_clk)
 			fail_clk = tmp_clk;
 	}
 
-	/* handle the new child who might not be in clk->children yet */
-	if (clk->new_child) {
-		tmp_clk = clk_propagate_rate_change(clk->new_child, event);
+	/* handle the new child who might not be in core->children yet */
+	if (core->new_child) {
+		tmp_clk = clk_propagate_rate_change(core->new_child, event);
 		if (tmp_clk)
 			fail_clk = tmp_clk;
 	}
@@ -1743,7 +1363,7 @@
  * walk down a subtree and set the new rates notifying the rate
  * change on the way
  */
-static void clk_change_rate(struct clk_core *clk)
+static void clk_change_rate(struct clk_core *core)
 {
 	struct clk_core *child;
 	struct hlist_node *tmp;
@@ -1752,77 +1372,77 @@
 	bool skip_set_rate = false;
 	struct clk_core *old_parent;
 
-	old_rate = clk->rate;
+	old_rate = core->rate;
 
-	if (clk->new_parent)
-		best_parent_rate = clk->new_parent->rate;
-	else if (clk->parent)
-		best_parent_rate = clk->parent->rate;
+	if (core->new_parent)
+		best_parent_rate = core->new_parent->rate;
+	else if (core->parent)
+		best_parent_rate = core->parent->rate;
 
-	if (clk->new_parent && clk->new_parent != clk->parent) {
-		old_parent = __clk_set_parent_before(clk, clk->new_parent);
-		trace_clk_set_parent(clk, clk->new_parent);
+	if (core->new_parent && core->new_parent != core->parent) {
+		old_parent = __clk_set_parent_before(core, core->new_parent);
+		trace_clk_set_parent(core, core->new_parent);
 
-		if (clk->ops->set_rate_and_parent) {
+		if (core->ops->set_rate_and_parent) {
 			skip_set_rate = true;
-			clk->ops->set_rate_and_parent(clk->hw, clk->new_rate,
+			core->ops->set_rate_and_parent(core->hw, core->new_rate,
 					best_parent_rate,
-					clk->new_parent_index);
-		} else if (clk->ops->set_parent) {
-			clk->ops->set_parent(clk->hw, clk->new_parent_index);
+					core->new_parent_index);
+		} else if (core->ops->set_parent) {
+			core->ops->set_parent(core->hw, core->new_parent_index);
 		}
 
-		trace_clk_set_parent_complete(clk, clk->new_parent);
-		__clk_set_parent_after(clk, clk->new_parent, old_parent);
+		trace_clk_set_parent_complete(core, core->new_parent);
+		__clk_set_parent_after(core, core->new_parent, old_parent);
 	}
 
-	trace_clk_set_rate(clk, clk->new_rate);
+	trace_clk_set_rate(core, core->new_rate);
 
-	if (!skip_set_rate && clk->ops->set_rate)
-		clk->ops->set_rate(clk->hw, clk->new_rate, best_parent_rate);
+	if (!skip_set_rate && core->ops->set_rate)
+		core->ops->set_rate(core->hw, core->new_rate, best_parent_rate);
 
-	trace_clk_set_rate_complete(clk, clk->new_rate);
+	trace_clk_set_rate_complete(core, core->new_rate);
 
-	clk->rate = clk_recalc(clk, best_parent_rate);
+	core->rate = clk_recalc(core, best_parent_rate);
 
-	if (clk->notifier_count && old_rate != clk->rate)
-		__clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
+	if (core->notifier_count && old_rate != core->rate)
+		__clk_notify(core, POST_RATE_CHANGE, old_rate, core->rate);
 
 	/*
 	 * Use safe iteration, as change_rate can actually swap parents
 	 * for certain clock types.
 	 */
-	hlist_for_each_entry_safe(child, tmp, &clk->children, child_node) {
+	hlist_for_each_entry_safe(child, tmp, &core->children, child_node) {
 		/* Skip children who will be reparented to another clock */
-		if (child->new_parent && child->new_parent != clk)
+		if (child->new_parent && child->new_parent != core)
 			continue;
 		clk_change_rate(child);
 	}
 
-	/* handle the new child who might not be in clk->children yet */
-	if (clk->new_child)
-		clk_change_rate(clk->new_child);
+	/* handle the new child who might not be in core->children yet */
+	if (core->new_child)
+		clk_change_rate(core->new_child);
 }
 
-static int clk_core_set_rate_nolock(struct clk_core *clk,
+static int clk_core_set_rate_nolock(struct clk_core *core,
 				    unsigned long req_rate)
 {
 	struct clk_core *top, *fail_clk;
 	unsigned long rate = req_rate;
 	int ret = 0;
 
-	if (!clk)
+	if (!core)
 		return 0;
 
 	/* bail early if nothing to do */
-	if (rate == clk_core_get_rate_nolock(clk))
+	if (rate == clk_core_get_rate_nolock(core))
 		return 0;
 
-	if ((clk->flags & CLK_SET_RATE_GATE) && clk->prepare_count)
+	if ((core->flags & CLK_SET_RATE_GATE) && core->prepare_count)
 		return -EBUSY;
 
 	/* calculate new rates and get the topmost changed clock */
-	top = clk_calc_new_rates(clk, rate);
+	top = clk_calc_new_rates(core, rate);
 	if (!top)
 		return -EINVAL;
 
@@ -1838,7 +1458,7 @@
 	/* change the rates */
 	clk_change_rate(top);
 
-	clk->req_rate = req_rate;
+	core->req_rate = req_rate;
 
 	return ret;
 }
@@ -1977,55 +1597,55 @@
  * .parents array exists, and if so use it to avoid an expensive tree
  * traversal.  If .parents does not exist then walk the tree.
  */
-static struct clk_core *__clk_init_parent(struct clk_core *clk)
+static struct clk_core *__clk_init_parent(struct clk_core *core)
 {
 	struct clk_core *ret = NULL;
 	u8 index;
 
 	/* handle the trivial cases */
 
-	if (!clk->num_parents)
+	if (!core->num_parents)
 		goto out;
 
-	if (clk->num_parents == 1) {
-		if (IS_ERR_OR_NULL(clk->parent))
-			clk->parent = clk_core_lookup(clk->parent_names[0]);
-		ret = clk->parent;
+	if (core->num_parents == 1) {
+		if (IS_ERR_OR_NULL(core->parent))
+			core->parent = clk_core_lookup(core->parent_names[0]);
+		ret = core->parent;
 		goto out;
 	}
 
-	if (!clk->ops->get_parent) {
-		WARN(!clk->ops->get_parent,
+	if (!core->ops->get_parent) {
+		WARN(!core->ops->get_parent,
 			"%s: multi-parent clocks must implement .get_parent\n",
 			__func__);
 		goto out;
 	};
 
 	/*
-	 * Do our best to cache parent clocks in clk->parents.  This prevents
-	 * unnecessary and expensive lookups.  We don't set clk->parent here;
+	 * Do our best to cache parent clocks in core->parents.  This prevents
+	 * unnecessary and expensive lookups.  We don't set core->parent here;
 	 * that is done by the calling function.
 	 */
 
-	index = clk->ops->get_parent(clk->hw);
+	index = core->ops->get_parent(core->hw);
 
-	if (!clk->parents)
-		clk->parents =
-			kcalloc(clk->num_parents, sizeof(struct clk *),
+	if (!core->parents)
+		core->parents =
+			kcalloc(core->num_parents, sizeof(struct clk *),
 					GFP_KERNEL);
 
-	ret = clk_core_get_parent_by_index(clk, index);
+	ret = clk_core_get_parent_by_index(core, index);
 
 out:
 	return ret;
 }
 
-static void clk_core_reparent(struct clk_core *clk,
+static void clk_core_reparent(struct clk_core *core,
 				  struct clk_core *new_parent)
 {
-	clk_reparent(clk, new_parent);
-	__clk_recalc_accuracies(clk);
-	__clk_recalc_rates(clk, POST_RATE_CHANGE);
+	clk_reparent(core, new_parent);
+	__clk_recalc_accuracies(core);
+	__clk_recalc_rates(core, POST_RATE_CHANGE);
 }
 
 /**
@@ -2062,61 +1682,61 @@
 }
 EXPORT_SYMBOL_GPL(clk_has_parent);
 
-static int clk_core_set_parent(struct clk_core *clk, struct clk_core *parent)
+static int clk_core_set_parent(struct clk_core *core, struct clk_core *parent)
 {
 	int ret = 0;
 	int p_index = 0;
 	unsigned long p_rate = 0;
 
-	if (!clk)
+	if (!core)
 		return 0;
 
 	/* prevent racing with updates to the clock topology */
 	clk_prepare_lock();
 
-	if (clk->parent == parent)
+	if (core->parent == parent)
 		goto out;
 
 	/* verify ops for for multi-parent clks */
-	if ((clk->num_parents > 1) && (!clk->ops->set_parent)) {
+	if ((core->num_parents > 1) && (!core->ops->set_parent)) {
 		ret = -ENOSYS;
 		goto out;
 	}
 
 	/* check that we are allowed to re-parent if the clock is in use */
-	if ((clk->flags & CLK_SET_PARENT_GATE) && clk->prepare_count) {
+	if ((core->flags & CLK_SET_PARENT_GATE) && core->prepare_count) {
 		ret = -EBUSY;
 		goto out;
 	}
 
 	/* try finding the new parent index */
 	if (parent) {
-		p_index = clk_fetch_parent_index(clk, parent);
+		p_index = clk_fetch_parent_index(core, parent);
 		p_rate = parent->rate;
 		if (p_index < 0) {
 			pr_debug("%s: clk %s can not be parent of clk %s\n",
-					__func__, parent->name, clk->name);
+					__func__, parent->name, core->name);
 			ret = p_index;
 			goto out;
 		}
 	}
 
 	/* propagate PRE_RATE_CHANGE notifications */
-	ret = __clk_speculate_rates(clk, p_rate);
+	ret = __clk_speculate_rates(core, p_rate);
 
 	/* abort if a driver objects */
 	if (ret & NOTIFY_STOP_MASK)
 		goto out;
 
 	/* do the re-parent */
-	ret = __clk_set_parent(clk, parent, p_index);
+	ret = __clk_set_parent(core, parent, p_index);
 
 	/* propagate rate an accuracy recalculation accordingly */
 	if (ret) {
-		__clk_recalc_rates(clk, ABORT_RATE_CHANGE);
+		__clk_recalc_rates(core, ABORT_RATE_CHANGE);
 	} else {
-		__clk_recalc_rates(clk, POST_RATE_CHANGE);
-		__clk_recalc_accuracies(clk);
+		__clk_recalc_rates(core, POST_RATE_CHANGE);
+		__clk_recalc_accuracies(core);
 	}
 
 out:
@@ -2201,21 +1821,16 @@
 }
 EXPORT_SYMBOL_GPL(clk_set_phase);
 
-static int clk_core_get_phase(struct clk_core *clk)
+static int clk_core_get_phase(struct clk_core *core)
 {
-	int ret = 0;
-
-	if (!clk)
-		goto out;
+	int ret;
 
 	clk_prepare_lock();
-	ret = clk->phase;
+	ret = core->phase;
 	clk_prepare_unlock();
 
-out:
 	return ret;
 }
-EXPORT_SYMBOL_GPL(clk_get_phase);
 
 /**
  * clk_get_phase - return the phase shift of a clock signal
@@ -2231,6 +1846,7 @@
 
 	return clk_core_get_phase(clk->core);
 }
+EXPORT_SYMBOL_GPL(clk_get_phase);
 
 /**
  * clk_is_match - check if two clk's point to the same hardware clock
@@ -2258,6 +1874,337 @@
 }
 EXPORT_SYMBOL_GPL(clk_is_match);
 
+/***        debugfs support        ***/
+
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+
+static struct dentry *rootdir;
+static int inited = 0;
+static DEFINE_MUTEX(clk_debug_lock);
+static HLIST_HEAD(clk_debug_list);
+
+static struct hlist_head *all_lists[] = {
+	&clk_root_list,
+	&clk_orphan_list,
+	NULL,
+};
+
+static struct hlist_head *orphan_list[] = {
+	&clk_orphan_list,
+	NULL,
+};
+
+static void clk_summary_show_one(struct seq_file *s, struct clk_core *c,
+				 int level)
+{
+	if (!c)
+		return;
+
+	seq_printf(s, "%*s%-*s %11d %12d %11lu %10lu %-3d\n",
+		   level * 3 + 1, "",
+		   30 - level * 3, c->name,
+		   c->enable_count, c->prepare_count, clk_core_get_rate(c),
+		   clk_core_get_accuracy(c), clk_core_get_phase(c));
+}
+
+static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
+				     int level)
+{
+	struct clk_core *child;
+
+	if (!c)
+		return;
+
+	clk_summary_show_one(s, c, level);
+
+	hlist_for_each_entry(child, &c->children, child_node)
+		clk_summary_show_subtree(s, child, level + 1);
+}
+
+static int clk_summary_show(struct seq_file *s, void *data)
+{
+	struct clk_core *c;
+	struct hlist_head **lists = (struct hlist_head **)s->private;
+
+	seq_puts(s, "   clock                         enable_cnt  prepare_cnt        rate   accuracy   phase\n");
+	seq_puts(s, "----------------------------------------------------------------------------------------\n");
+
+	clk_prepare_lock();
+
+	for (; *lists; lists++)
+		hlist_for_each_entry(c, *lists, child_node)
+			clk_summary_show_subtree(s, c, 0);
+
+	clk_prepare_unlock();
+
+	return 0;
+}
+
+
+static int clk_summary_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, clk_summary_show, inode->i_private);
+}
+
+static const struct file_operations clk_summary_fops = {
+	.open		= clk_summary_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level)
+{
+	if (!c)
+		return;
+
+	/* This should be JSON format, i.e. elements separated with a comma */
+	seq_printf(s, "\"%s\": { ", c->name);
+	seq_printf(s, "\"enable_count\": %d,", c->enable_count);
+	seq_printf(s, "\"prepare_count\": %d,", c->prepare_count);
+	seq_printf(s, "\"rate\": %lu,", clk_core_get_rate(c));
+	seq_printf(s, "\"accuracy\": %lu,", clk_core_get_accuracy(c));
+	seq_printf(s, "\"phase\": %d", clk_core_get_phase(c));
+}
+
+static void clk_dump_subtree(struct seq_file *s, struct clk_core *c, int level)
+{
+	struct clk_core *child;
+
+	if (!c)
+		return;
+
+	clk_dump_one(s, c, level);
+
+	hlist_for_each_entry(child, &c->children, child_node) {
+		seq_printf(s, ",");
+		clk_dump_subtree(s, child, level + 1);
+	}
+
+	seq_printf(s, "}");
+}
+
+static int clk_dump(struct seq_file *s, void *data)
+{
+	struct clk_core *c;
+	bool first_node = true;
+	struct hlist_head **lists = (struct hlist_head **)s->private;
+
+	seq_printf(s, "{");
+
+	clk_prepare_lock();
+
+	for (; *lists; lists++) {
+		hlist_for_each_entry(c, *lists, child_node) {
+			if (!first_node)
+				seq_puts(s, ",");
+			first_node = false;
+			clk_dump_subtree(s, c, 0);
+		}
+	}
+
+	clk_prepare_unlock();
+
+	seq_puts(s, "}\n");
+	return 0;
+}
+
+
+static int clk_dump_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, clk_dump, inode->i_private);
+}
+
+static const struct file_operations clk_dump_fops = {
+	.open		= clk_dump_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int clk_debug_create_one(struct clk_core *core, struct dentry *pdentry)
+{
+	struct dentry *d;
+	int ret = -ENOMEM;
+
+	if (!core || !pdentry) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	d = debugfs_create_dir(core->name, pdentry);
+	if (!d)
+		goto out;
+
+	core->dentry = d;
+
+	d = debugfs_create_u32("clk_rate", S_IRUGO, core->dentry,
+			(u32 *)&core->rate);
+	if (!d)
+		goto err_out;
+
+	d = debugfs_create_u32("clk_accuracy", S_IRUGO, core->dentry,
+			(u32 *)&core->accuracy);
+	if (!d)
+		goto err_out;
+
+	d = debugfs_create_u32("clk_phase", S_IRUGO, core->dentry,
+			(u32 *)&core->phase);
+	if (!d)
+		goto err_out;
+
+	d = debugfs_create_x32("clk_flags", S_IRUGO, core->dentry,
+			(u32 *)&core->flags);
+	if (!d)
+		goto err_out;
+
+	d = debugfs_create_u32("clk_prepare_count", S_IRUGO, core->dentry,
+			(u32 *)&core->prepare_count);
+	if (!d)
+		goto err_out;
+
+	d = debugfs_create_u32("clk_enable_count", S_IRUGO, core->dentry,
+			(u32 *)&core->enable_count);
+	if (!d)
+		goto err_out;
+
+	d = debugfs_create_u32("clk_notifier_count", S_IRUGO, core->dentry,
+			(u32 *)&core->notifier_count);
+	if (!d)
+		goto err_out;
+
+	if (core->ops->debug_init) {
+		ret = core->ops->debug_init(core->hw, core->dentry);
+		if (ret)
+			goto err_out;
+	}
+
+	ret = 0;
+	goto out;
+
+err_out:
+	debugfs_remove_recursive(core->dentry);
+	core->dentry = NULL;
+out:
+	return ret;
+}
+
+/**
+ * clk_debug_register - add a clk node to the debugfs clk directory
+ * @core: the clk being added to the debugfs clk directory
+ *
+ * Dynamically adds a clk to the debugfs clk directory if debugfs has been
+ * initialized.  Otherwise it bails out early since the debugfs clk directory
+ * will be created lazily by clk_debug_init as part of a late_initcall.
+ */
+static int clk_debug_register(struct clk_core *core)
+{
+	int ret = 0;
+
+	mutex_lock(&clk_debug_lock);
+	hlist_add_head(&core->debug_node, &clk_debug_list);
+
+	if (!inited)
+		goto unlock;
+
+	ret = clk_debug_create_one(core, rootdir);
+unlock:
+	mutex_unlock(&clk_debug_lock);
+
+	return ret;
+}
+
+ /**
+ * clk_debug_unregister - remove a clk node from the debugfs clk directory
+ * @core: the clk being removed from the debugfs clk directory
+ *
+ * Dynamically removes a clk and all its child nodes from the
+ * debugfs clk directory if clk->dentry points to debugfs created by
+ * clk_debug_register in __clk_init.
+ */
+static void clk_debug_unregister(struct clk_core *core)
+{
+	mutex_lock(&clk_debug_lock);
+	hlist_del_init(&core->debug_node);
+	debugfs_remove_recursive(core->dentry);
+	core->dentry = NULL;
+	mutex_unlock(&clk_debug_lock);
+}
+
+struct dentry *clk_debugfs_add_file(struct clk_hw *hw, char *name, umode_t mode,
+				void *data, const struct file_operations *fops)
+{
+	struct dentry *d = NULL;
+
+	if (hw->core->dentry)
+		d = debugfs_create_file(name, mode, hw->core->dentry, data,
+					fops);
+
+	return d;
+}
+EXPORT_SYMBOL_GPL(clk_debugfs_add_file);
+
+/**
+ * clk_debug_init - lazily populate the debugfs clk directory
+ *
+ * clks are often initialized very early during boot before memory can be
+ * dynamically allocated and well before debugfs is setup. This function
+ * populates the debugfs clk directory once at boot-time when we know that
+ * debugfs is setup. It should only be called once at boot-time, all other clks
+ * added dynamically will be done so with clk_debug_register.
+ */
+static int __init clk_debug_init(void)
+{
+	struct clk_core *core;
+	struct dentry *d;
+
+	rootdir = debugfs_create_dir("clk", NULL);
+
+	if (!rootdir)
+		return -ENOMEM;
+
+	d = debugfs_create_file("clk_summary", S_IRUGO, rootdir, &all_lists,
+				&clk_summary_fops);
+	if (!d)
+		return -ENOMEM;
+
+	d = debugfs_create_file("clk_dump", S_IRUGO, rootdir, &all_lists,
+				&clk_dump_fops);
+	if (!d)
+		return -ENOMEM;
+
+	d = debugfs_create_file("clk_orphan_summary", S_IRUGO, rootdir,
+				&orphan_list, &clk_summary_fops);
+	if (!d)
+		return -ENOMEM;
+
+	d = debugfs_create_file("clk_orphan_dump", S_IRUGO, rootdir,
+				&orphan_list, &clk_dump_fops);
+	if (!d)
+		return -ENOMEM;
+
+	mutex_lock(&clk_debug_lock);
+	hlist_for_each_entry(core, &clk_debug_list, debug_node)
+		clk_debug_create_one(core, rootdir);
+
+	inited = 1;
+	mutex_unlock(&clk_debug_lock);
+
+	return 0;
+}
+late_initcall(clk_debug_init);
+#else
+static inline int clk_debug_register(struct clk_core *core) { return 0; }
+static inline void clk_debug_reparent(struct clk_core *core,
+				      struct clk_core *new_parent)
+{
+}
+static inline void clk_debug_unregister(struct clk_core *core)
+{
+}
+#endif
+
 /**
  * __clk_init - initialize the data structures in a struct clk
  * @dev:	device initializing this clk, placeholder for now
@@ -2271,67 +2218,67 @@
 	int i, ret = 0;
 	struct clk_core *orphan;
 	struct hlist_node *tmp2;
-	struct clk_core *clk;
+	struct clk_core *core;
 	unsigned long rate;
 
 	if (!clk_user)
 		return -EINVAL;
 
-	clk = clk_user->core;
+	core = clk_user->core;
 
 	clk_prepare_lock();
 
 	/* check to see if a clock with this name is already registered */
-	if (clk_core_lookup(clk->name)) {
+	if (clk_core_lookup(core->name)) {
 		pr_debug("%s: clk %s already initialized\n",
-				__func__, clk->name);
+				__func__, core->name);
 		ret = -EEXIST;
 		goto out;
 	}
 
 	/* check that clk_ops are sane.  See Documentation/clk.txt */
-	if (clk->ops->set_rate &&
-	    !((clk->ops->round_rate || clk->ops->determine_rate) &&
-	      clk->ops->recalc_rate)) {
+	if (core->ops->set_rate &&
+	    !((core->ops->round_rate || core->ops->determine_rate) &&
+	      core->ops->recalc_rate)) {
 		pr_warning("%s: %s must implement .round_rate or .determine_rate in addition to .recalc_rate\n",
-				__func__, clk->name);
+				__func__, core->name);
 		ret = -EINVAL;
 		goto out;
 	}
 
-	if (clk->ops->set_parent && !clk->ops->get_parent) {
+	if (core->ops->set_parent && !core->ops->get_parent) {
 		pr_warning("%s: %s must implement .get_parent & .set_parent\n",
-				__func__, clk->name);
+				__func__, core->name);
 		ret = -EINVAL;
 		goto out;
 	}
 
-	if (clk->ops->set_rate_and_parent &&
-			!(clk->ops->set_parent && clk->ops->set_rate)) {
+	if (core->ops->set_rate_and_parent &&
+			!(core->ops->set_parent && core->ops->set_rate)) {
 		pr_warn("%s: %s must implement .set_parent & .set_rate\n",
-				__func__, clk->name);
+				__func__, core->name);
 		ret = -EINVAL;
 		goto out;
 	}
 
 	/* throw a WARN if any entries in parent_names are NULL */
-	for (i = 0; i < clk->num_parents; i++)
-		WARN(!clk->parent_names[i],
+	for (i = 0; i < core->num_parents; i++)
+		WARN(!core->parent_names[i],
 				"%s: invalid NULL in %s's .parent_names\n",
-				__func__, clk->name);
+				__func__, core->name);
 
 	/*
 	 * Allocate an array of struct clk *'s to avoid unnecessary string
 	 * look-ups of clk's possible parents.  This can fail for clocks passed
-	 * in to clk_init during early boot; thus any access to clk->parents[]
+	 * in to clk_init during early boot; thus any access to core->parents[]
 	 * must always check for a NULL pointer and try to populate it if
 	 * necessary.
 	 *
-	 * If clk->parents is not NULL we skip this entire block.  This allows
-	 * for clock drivers to statically initialize clk->parents.
+	 * If core->parents is not NULL we skip this entire block.  This allows
+	 * for clock drivers to statically initialize core->parents.
 	 */
-	if (clk->num_parents > 1 && !clk->parents) {
-		clk->parents = kcalloc(clk->num_parents, sizeof(struct clk *),
+	if (core->num_parents > 1 && !core->parents) {
+		core->parents = kcalloc(core->num_parents, sizeof(struct clk *),
 					GFP_KERNEL);
 		/*
 		 * clk_core_lookup returns NULL for parents that have not been
@@ -2339,16 +2286,16 @@
 		 * for a NULL pointer.  We can always perform lazy lookups for
 		 * missing parents later on.
 		 */
-		if (clk->parents)
-			for (i = 0; i < clk->num_parents; i++)
-				clk->parents[i] =
-					clk_core_lookup(clk->parent_names[i]);
+		if (core->parents)
+			for (i = 0; i < core->num_parents; i++)
+				core->parents[i] =
+					clk_core_lookup(core->parent_names[i]);
 	}
 
-	clk->parent = __clk_init_parent(clk);
+	core->parent = __clk_init_parent(core);
 
 	/*
-	 * Populate clk->parent if parent has already been __clk_init'd.  If
+	 * Populate core->parent if parent has already been __clk_init'd.  If
 	 * parent has not yet been __clk_init'd then place clk in the orphan
 	 * list.  If clk has set the CLK_IS_ROOT flag then place it in the root
 	 * clk list.
@@ -2357,13 +2304,13 @@
 	 * clocks and re-parent any that are children of the clock currently
 	 * being clk_init'd.
 	 */
-	if (clk->parent)
-		hlist_add_head(&clk->child_node,
-				&clk->parent->children);
-	else if (clk->flags & CLK_IS_ROOT)
-		hlist_add_head(&clk->child_node, &clk_root_list);
+	if (core->parent)
+		hlist_add_head(&core->child_node,
+				&core->parent->children);
+	else if (core->flags & CLK_IS_ROOT)
+		hlist_add_head(&core->child_node, &clk_root_list);
 	else
-		hlist_add_head(&clk->child_node, &clk_orphan_list);
+		hlist_add_head(&core->child_node, &clk_orphan_list);
 
 	/*
 	 * Set clk's accuracy.  The preferred method is to use
@@ -2372,23 +2319,23 @@
 	 * parent (or is orphaned) then accuracy is set to zero (perfect
 	 * clock).
 	 */
-	if (clk->ops->recalc_accuracy)
-		clk->accuracy = clk->ops->recalc_accuracy(clk->hw,
-					__clk_get_accuracy(clk->parent));
-	else if (clk->parent)
-		clk->accuracy = clk->parent->accuracy;
+	if (core->ops->recalc_accuracy)
+		core->accuracy = core->ops->recalc_accuracy(core->hw,
+					__clk_get_accuracy(core->parent));
+	else if (core->parent)
+		core->accuracy = core->parent->accuracy;
 	else
-		clk->accuracy = 0;
+		core->accuracy = 0;
 
 	/*
 	 * Set clk's phase.
 	 * Since a phase is by definition relative to its parent, just
 	 * query the current clock phase, or just assume it's in phase.
 	 */
-	if (clk->ops->get_phase)
-		clk->phase = clk->ops->get_phase(clk->hw);
+	if (core->ops->get_phase)
+		core->phase = core->ops->get_phase(core->hw);
 	else
-		clk->phase = 0;
+		core->phase = 0;
 
 	/*
 	 * Set clk's rate.  The preferred method is to use .recalc_rate.  For
@@ -2396,14 +2343,14 @@
 	 * parent's rate.  If a clock doesn't have a parent (or is orphaned)
 	 * then rate is set to zero.
 	 */
-	if (clk->ops->recalc_rate)
-		rate = clk->ops->recalc_rate(clk->hw,
-				clk_core_get_rate_nolock(clk->parent));
-	else if (clk->parent)
-		rate = clk->parent->rate;
+	if (core->ops->recalc_rate)
+		rate = core->ops->recalc_rate(core->hw,
+				clk_core_get_rate_nolock(core->parent));
+	else if (core->parent)
+		rate = core->parent->rate;
 	else
 		rate = 0;
-	clk->rate = clk->req_rate = rate;
+	core->rate = core->req_rate = rate;
 
 	/*
 	 * walk the list of orphan clocks and reparent any that are children of
@@ -2412,14 +2359,14 @@
 	hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
 		if (orphan->num_parents && orphan->ops->get_parent) {
 			i = orphan->ops->get_parent(orphan->hw);
-			if (!strcmp(clk->name, orphan->parent_names[i]))
-				clk_core_reparent(orphan, clk);
+			if (!strcmp(core->name, orphan->parent_names[i]))
+				clk_core_reparent(orphan, core);
 			continue;
 		}
 
 		for (i = 0; i < orphan->num_parents; i++)
-			if (!strcmp(clk->name, orphan->parent_names[i])) {
-				clk_core_reparent(orphan, clk);
+			if (!strcmp(core->name, orphan->parent_names[i])) {
+				clk_core_reparent(orphan, core);
 				break;
 			}
 	 }
@@ -2432,15 +2379,15 @@
 	 * Please consider other ways of solving initialization problems before
 	 * using this callback, as its use is discouraged.
 	 */
-	if (clk->ops->init)
-		clk->ops->init(clk->hw);
+	if (core->ops->init)
+		core->ops->init(core->hw);
 
-	kref_init(&clk->ref);
+	kref_init(&core->ref);
 out:
 	clk_prepare_unlock();
 
 	if (!ret)
-		clk_debug_register(clk);
+		clk_debug_register(core);
 
 	return ret;
 }
@@ -2493,56 +2440,51 @@
 struct clk *clk_register(struct device *dev, struct clk_hw *hw)
 {
 	int i, ret;
-	struct clk_core *clk;
+	struct clk_core *core;
 
-	clk = kzalloc(sizeof(*clk), GFP_KERNEL);
-	if (!clk) {
-		pr_err("%s: could not allocate clk\n", __func__);
+	core = kzalloc(sizeof(*core), GFP_KERNEL);
+	if (!core) {
 		ret = -ENOMEM;
 		goto fail_out;
 	}
 
-	clk->name = kstrdup_const(hw->init->name, GFP_KERNEL);
-	if (!clk->name) {
-		pr_err("%s: could not allocate clk->name\n", __func__);
+	core->name = kstrdup_const(hw->init->name, GFP_KERNEL);
+	if (!core->name) {
 		ret = -ENOMEM;
 		goto fail_name;
 	}
-	clk->ops = hw->init->ops;
+	core->ops = hw->init->ops;
 	if (dev && dev->driver)
-		clk->owner = dev->driver->owner;
-	clk->hw = hw;
-	clk->flags = hw->init->flags;
-	clk->num_parents = hw->init->num_parents;
-	hw->core = clk;
+		core->owner = dev->driver->owner;
+	core->hw = hw;
+	core->flags = hw->init->flags;
+	core->num_parents = hw->init->num_parents;
+	hw->core = core;
 
 	/* allocate local copy in case parent_names is __initdata */
-	clk->parent_names = kcalloc(clk->num_parents, sizeof(char *),
+	core->parent_names = kcalloc(core->num_parents, sizeof(char *),
 					GFP_KERNEL);
 
-	if (!clk->parent_names) {
-		pr_err("%s: could not allocate clk->parent_names\n", __func__);
+	if (!core->parent_names) {
 		ret = -ENOMEM;
 		goto fail_parent_names;
 	}
 
 
 	/* copy each string name in case parent_names is __initdata */
-	for (i = 0; i < clk->num_parents; i++) {
-		clk->parent_names[i] = kstrdup_const(hw->init->parent_names[i],
+	for (i = 0; i < core->num_parents; i++) {
+		core->parent_names[i] = kstrdup_const(hw->init->parent_names[i],
 						GFP_KERNEL);
-		if (!clk->parent_names[i]) {
-			pr_err("%s: could not copy parent_names\n", __func__);
+		if (!core->parent_names[i]) {
 			ret = -ENOMEM;
 			goto fail_parent_names_copy;
 		}
 	}
 
-	INIT_HLIST_HEAD(&clk->clks);
+	INIT_HLIST_HEAD(&core->clks);
 
 	hw->clk = __clk_create_clk(hw, NULL, NULL);
 	if (IS_ERR(hw->clk)) {
-		pr_err("%s: could not allocate per-user clk\n", __func__);
 		ret = PTR_ERR(hw->clk);
 		goto fail_parent_names_copy;
 	}
@@ -2556,35 +2498,32 @@
 
 fail_parent_names_copy:
 	while (--i >= 0)
-		kfree_const(clk->parent_names[i]);
-	kfree(clk->parent_names);
+		kfree_const(core->parent_names[i]);
+	kfree(core->parent_names);
 fail_parent_names:
-	kfree_const(clk->name);
+	kfree_const(core->name);
 fail_name:
-	kfree(clk);
+	kfree(core);
 fail_out:
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL_GPL(clk_register);
 
-/*
- * Free memory allocated for a clock.
- * Caller must hold prepare_lock.
- */
+/* Free memory allocated for a clock. */
 static void __clk_release(struct kref *ref)
 {
-	struct clk_core *clk = container_of(ref, struct clk_core, ref);
-	int i = clk->num_parents;
+	struct clk_core *core = container_of(ref, struct clk_core, ref);
+	int i = core->num_parents;
 
 	lockdep_assert_held(&prepare_lock);
 
-	kfree(clk->parents);
+	kfree(core->parents);
 	while (--i >= 0)
-		kfree_const(clk->parent_names[i]);
+		kfree_const(core->parent_names[i]);
 
-	kfree(clk->parent_names);
-	kfree_const(clk->name);
-	kfree(clk);
+	kfree(core->parent_names);
+	kfree_const(core->name);
+	kfree(core);
 }
 
 /*
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
new file mode 100644
index 0000000..8e4b2a4
--- /dev/null
+++ b/drivers/clk/mediatek/Makefile
@@ -0,0 +1,4 @@
+obj-y += clk-mtk.o clk-pll.o clk-gate.o
+obj-$(CONFIG_RESET_CONTROLLER) += reset.o
+obj-y += clk-mt8135.o
+obj-y += clk-mt8173.o
diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c
new file mode 100644
index 0000000..9d77ee3
--- /dev/null
+++ b/drivers/clk/mediatek/clk-gate.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/clkdev.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+static int mtk_cg_bit_is_cleared(struct clk_hw *hw)
+{
+	struct mtk_clk_gate *cg = to_clk_gate(hw);
+	u32 val;
+
+	regmap_read(cg->regmap, cg->sta_ofs, &val);
+
+	val &= BIT(cg->bit);
+
+	return val == 0;
+}
+
+static int mtk_cg_bit_is_set(struct clk_hw *hw)
+{
+	struct mtk_clk_gate *cg = to_clk_gate(hw);
+	u32 val;
+
+	regmap_read(cg->regmap, cg->sta_ofs, &val);
+
+	val &= BIT(cg->bit);
+
+	return val != 0;
+}
+
+static void mtk_cg_set_bit(struct clk_hw *hw)
+{
+	struct mtk_clk_gate *cg = to_clk_gate(hw);
+
+	regmap_write(cg->regmap, cg->set_ofs, BIT(cg->bit));
+}
+
+static void mtk_cg_clr_bit(struct clk_hw *hw)
+{
+	struct mtk_clk_gate *cg = to_clk_gate(hw);
+
+	regmap_write(cg->regmap, cg->clr_ofs, BIT(cg->bit));
+}
+
+static int mtk_cg_enable(struct clk_hw *hw)
+{
+	mtk_cg_clr_bit(hw);
+
+	return 0;
+}
+
+static void mtk_cg_disable(struct clk_hw *hw)
+{
+	mtk_cg_set_bit(hw);
+}
+
+static int mtk_cg_enable_inv(struct clk_hw *hw)
+{
+	mtk_cg_set_bit(hw);
+
+	return 0;
+}
+
+static void mtk_cg_disable_inv(struct clk_hw *hw)
+{
+	mtk_cg_clr_bit(hw);
+}
+
+const struct clk_ops mtk_clk_gate_ops_setclr = {
+	.is_enabled	= mtk_cg_bit_is_cleared,
+	.enable		= mtk_cg_enable,
+	.disable	= mtk_cg_disable,
+};
+
+const struct clk_ops mtk_clk_gate_ops_setclr_inv = {
+	.is_enabled	= mtk_cg_bit_is_set,
+	.enable		= mtk_cg_enable_inv,
+	.disable	= mtk_cg_disable_inv,
+};
+
+struct clk *mtk_clk_register_gate(
+		const char *name,
+		const char *parent_name,
+		struct regmap *regmap,
+		int set_ofs,
+		int clr_ofs,
+		int sta_ofs,
+		u8 bit,
+		const struct clk_ops *ops)
+{
+	struct mtk_clk_gate *cg;
+	struct clk *clk;
+	struct clk_init_data init;
+
+	cg = kzalloc(sizeof(*cg), GFP_KERNEL);
+	if (!cg)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	init.flags = CLK_SET_RATE_PARENT;
+	init.parent_names = parent_name ? &parent_name : NULL;
+	init.num_parents = parent_name ? 1 : 0;
+	init.ops = ops;
+
+	cg->regmap = regmap;
+	cg->set_ofs = set_ofs;
+	cg->clr_ofs = clr_ofs;
+	cg->sta_ofs = sta_ofs;
+	cg->bit = bit;
+
+	cg->hw.init = &init;
+
+	clk = clk_register(NULL, &cg->hw);
+	if (IS_ERR(clk))
+		kfree(cg);
+
+	return clk;
+}
diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h
new file mode 100644
index 0000000..6b6780b
--- /dev/null
+++ b/drivers/clk/mediatek/clk-gate.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __DRV_CLK_GATE_H
+#define __DRV_CLK_GATE_H
+
+#include <linux/regmap.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+
+struct mtk_clk_gate {
+	struct clk_hw	hw;
+	struct regmap	*regmap;
+	int		set_ofs;
+	int		clr_ofs;
+	int		sta_ofs;
+	u8		bit;
+};
+
+static inline struct mtk_clk_gate *to_clk_gate(struct clk_hw *hw)
+{
+	return container_of(hw, struct mtk_clk_gate, hw);
+}
+
+extern const struct clk_ops mtk_clk_gate_ops_setclr;
+extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
+
+struct clk *mtk_clk_register_gate(
+		const char *name,
+		const char *parent_name,
+		struct regmap *regmap,
+		int set_ofs,
+		int clr_ofs,
+		int sta_ofs,
+		u8 bit,
+		const struct clk_ops *ops);
+
+#endif /* __DRV_CLK_GATE_H */
diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c
new file mode 100644
index 0000000..a63435b
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8135.c
@@ -0,0 +1,644 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+#include <linux/mfd/syscon.h>
+#include <dt-bindings/clock/mt8135-clk.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+static DEFINE_SPINLOCK(mt8135_clk_lock);
+
+static const struct mtk_fixed_factor root_clk_alias[] __initconst = {
+	FACTOR(CLK_TOP_DSI0_LNTC_DSICLK, "dsi0_lntc_dsiclk", "clk_null", 1, 1),
+	FACTOR(CLK_TOP_HDMITX_CLKDIG_CTS, "hdmitx_clkdig_cts", "clk_null", 1, 1),
+	FACTOR(CLK_TOP_CLKPH_MCK, "clkph_mck", "clk_null", 1, 1),
+	FACTOR(CLK_TOP_CPUM_TCK_IN, "cpum_tck_in", "clk_null", 1, 1),
+};
+
+static const struct mtk_fixed_factor top_divs[] __initconst = {
+	FACTOR(CLK_TOP_MAINPLL_806M, "mainpll_806m", "mainpll", 1, 2),
+	FACTOR(CLK_TOP_MAINPLL_537P3M, "mainpll_537p3m", "mainpll", 1, 3),
+	FACTOR(CLK_TOP_MAINPLL_322P4M, "mainpll_322p4m", "mainpll", 1, 5),
+	FACTOR(CLK_TOP_MAINPLL_230P3M, "mainpll_230p3m", "mainpll", 1, 7),
+
+	FACTOR(CLK_TOP_UNIVPLL_624M, "univpll_624m", "univpll", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL_416M, "univpll_416m", "univpll", 1, 3),
+	FACTOR(CLK_TOP_UNIVPLL_249P6M, "univpll_249p6m", "univpll", 1, 5),
+	FACTOR(CLK_TOP_UNIVPLL_178P3M, "univpll_178p3m", "univpll", 1, 7),
+	FACTOR(CLK_TOP_UNIVPLL_48M, "univpll_48m", "univpll", 1, 26),
+
+	FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2),
+	FACTOR(CLK_TOP_MMPLL_D3, "mmpll_d3", "mmpll", 1, 3),
+	FACTOR(CLK_TOP_MMPLL_D5, "mmpll_d5", "mmpll", 1, 5),
+	FACTOR(CLK_TOP_MMPLL_D7, "mmpll_d7", "mmpll", 1, 7),
+	FACTOR(CLK_TOP_MMPLL_D4, "mmpll_d4", "mmpll_d2", 1, 2),
+	FACTOR(CLK_TOP_MMPLL_D6, "mmpll_d6", "mmpll_d3", 1, 2),
+
+	FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "mainpll_806m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL_D4, "syspll_d4", "mainpll_806m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL_D6, "syspll_d6", "mainpll_806m", 1, 3),
+	FACTOR(CLK_TOP_SYSPLL_D8, "syspll_d8", "mainpll_806m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL_D10, "syspll_d10", "mainpll_806m", 1, 5),
+	FACTOR(CLK_TOP_SYSPLL_D12, "syspll_d12", "mainpll_806m", 1, 6),
+	FACTOR(CLK_TOP_SYSPLL_D16, "syspll_d16", "mainpll_806m", 1, 8),
+	FACTOR(CLK_TOP_SYSPLL_D24, "syspll_d24", "mainpll_806m", 1, 12),
+
+	FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "mainpll_537p3m", 1, 1),
+
+	FACTOR(CLK_TOP_SYSPLL_D2P5, "syspll_d2p5", "mainpll_322p4m", 2, 1),
+	FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "mainpll_322p4m", 1, 1),
+
+	FACTOR(CLK_TOP_SYSPLL_D3P5, "syspll_d3p5", "mainpll_230p3m", 2, 1),
+
+	FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univpll_624m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univpll_624m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL1_D6, "univpll1_d6", "univpll_624m", 1, 6),
+	FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univpll_624m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL1_D10, "univpll1_d10", "univpll_624m", 1, 10),
+
+	FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univpll_416m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univpll_416m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL2_D6, "univpll2_d6", "univpll_416m", 1, 6),
+	FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univpll_416m", 1, 8),
+
+	FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll_416m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll_249p6m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll_178p3m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D10, "univpll_d10", "univpll_249p6m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univpll_48m", 1, 1),
+
+	FACTOR(CLK_TOP_APLL, "apll_ck", "audpll", 1, 1),
+	FACTOR(CLK_TOP_APLL_D4, "apll_d4", "audpll", 1, 4),
+	FACTOR(CLK_TOP_APLL_D8, "apll_d8", "audpll", 1, 8),
+	FACTOR(CLK_TOP_APLL_D16, "apll_d16", "audpll", 1, 16),
+	FACTOR(CLK_TOP_APLL_D24, "apll_d24", "audpll", 1, 24),
+
+	FACTOR(CLK_TOP_LVDSPLL_D2, "lvdspll_d2", "lvdspll", 1, 2),
+	FACTOR(CLK_TOP_LVDSPLL_D4, "lvdspll_d4", "lvdspll", 1, 4),
+	FACTOR(CLK_TOP_LVDSPLL_D8, "lvdspll_d8", "lvdspll", 1, 8),
+
+	FACTOR(CLK_TOP_LVDSTX_CLKDIG_CT, "lvdstx_clkdig_cts", "lvdspll", 1, 1),
+	FACTOR(CLK_TOP_VPLL_DPIX, "vpll_dpix_ck", "lvdspll", 1, 1),
+
+	FACTOR(CLK_TOP_TVHDMI_H, "tvhdmi_h_ck", "tvdpll", 1, 1),
+
+	FACTOR(CLK_TOP_HDMITX_CLKDIG_D2, "hdmitx_clkdig_d2", "hdmitx_clkdig_cts", 1, 2),
+	FACTOR(CLK_TOP_HDMITX_CLKDIG_D3, "hdmitx_clkdig_d3", "hdmitx_clkdig_cts", 1, 3),
+
+	FACTOR(CLK_TOP_TVHDMI_D2, "tvhdmi_d2", "tvhdmi_h_ck", 1, 2),
+	FACTOR(CLK_TOP_TVHDMI_D4, "tvhdmi_d4", "tvhdmi_h_ck", 1, 4),
+
+	FACTOR(CLK_TOP_MEMPLL_MCK_D4, "mempll_mck_d4", "clkph_mck", 1, 4),
+};
+
+static const char * const axi_parents[] __initconst = {
+	"clk26m",
+	"syspll_d3",
+	"syspll_d4",
+	"syspll_d6",
+	"univpll_d5",
+	"univpll2_d2",
+	"syspll_d3p5"
+};
+
+static const char * const smi_parents[] __initconst = {
+	"clk26m",
+	"clkph_mck",
+	"syspll_d2p5",
+	"syspll_d3",
+	"syspll_d8",
+	"univpll_d5",
+	"univpll1_d2",
+	"univpll1_d6",
+	"mmpll_d3",
+	"mmpll_d4",
+	"mmpll_d5",
+	"mmpll_d6",
+	"mmpll_d7",
+	"vdecpll",
+	"lvdspll"
+};
+
+static const char * const mfg_parents[] __initconst = {
+	"clk26m",
+	"univpll1_d4",
+	"syspll_d2",
+	"syspll_d2p5",
+	"syspll_d3",
+	"univpll_d5",
+	"univpll1_d2",
+	"mmpll_d2",
+	"mmpll_d3",
+	"mmpll_d4",
+	"mmpll_d5",
+	"mmpll_d6",
+	"mmpll_d7"
+};
+
+static const char * const irda_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d8",
+	"univpll1_d6"
+};
+
+static const char * const cam_parents[] __initconst = {
+	"clk26m",
+	"syspll_d3",
+	"syspll_d3p5",
+	"syspll_d4",
+	"univpll_d5",
+	"univpll2_d2",
+	"univpll_d7",
+	"univpll1_d4"
+};
+
+static const char * const aud_intbus_parents[] __initconst = {
+	"clk26m",
+	"syspll_d6",
+	"univpll_d10"
+};
+
+static const char * const jpg_parents[] __initconst = {
+	"clk26m",
+	"syspll_d5",
+	"syspll_d4",
+	"syspll_d3",
+	"univpll_d7",
+	"univpll2_d2",
+	"univpll_d5"
+};
+
+static const char * const disp_parents[] __initconst = {
+	"clk26m",
+	"syspll_d3p5",
+	"syspll_d3",
+	"univpll2_d2",
+	"univpll_d5",
+	"univpll1_d2",
+	"lvdspll",
+	"vdecpll"
+};
+
+static const char * const msdc30_parents[] __initconst = {
+	"clk26m",
+	"syspll_d6",
+	"syspll_d5",
+	"univpll1_d4",
+	"univpll2_d4",
+	"msdcpll"
+};
+
+static const char * const usb20_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d6",
+	"univpll1_d10"
+};
+
+static const char * const venc_parents[] __initconst = {
+	"clk26m",
+	"syspll_d3",
+	"syspll_d8",
+	"univpll_d5",
+	"univpll1_d6",
+	"mmpll_d4",
+	"mmpll_d5",
+	"mmpll_d6"
+};
+
+static const char * const spi_parents[] __initconst = {
+	"clk26m",
+	"syspll_d6",
+	"syspll_d8",
+	"syspll_d10",
+	"univpll1_d6",
+	"univpll1_d8"
+};
+
+static const char * const uart_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d8"
+};
+
+static const char * const mem_parents[] __initconst = {
+	"clk26m",
+	"clkph_mck"
+};
+
+static const char * const camtg_parents[] __initconst = {
+	"clk26m",
+	"univpll_d26",
+	"univpll1_d6",
+	"syspll_d16",
+	"syspll_d8"
+};
+
+static const char * const audio_parents[] __initconst = {
+	"clk26m",
+	"syspll_d24"
+};
+
+static const char * const fix_parents[] __initconst = {
+	"rtc32k",
+	"clk26m",
+	"univpll_d5",
+	"univpll_d7",
+	"univpll1_d2",
+	"univpll1_d4",
+	"univpll1_d6",
+	"univpll1_d8"
+};
+
+static const char * const vdec_parents[] __initconst = {
+	"clk26m",
+	"vdecpll",
+	"clkph_mck",
+	"syspll_d2p5",
+	"syspll_d3",
+	"syspll_d3p5",
+	"syspll_d4",
+	"syspll_d5",
+	"syspll_d6",
+	"syspll_d8",
+	"univpll1_d2",
+	"univpll2_d2",
+	"univpll_d7",
+	"univpll_d10",
+	"univpll2_d4",
+	"lvdspll"
+};
+
+static const char * const ddrphycfg_parents[] __initconst = {
+	"clk26m",
+	"axi_sel",
+	"syspll_d12"
+};
+
+static const char * const dpilvds_parents[] __initconst = {
+	"clk26m",
+	"lvdspll",
+	"lvdspll_d2",
+	"lvdspll_d4",
+	"lvdspll_d8"
+};
+
+static const char * const pmicspi_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d6",
+	"syspll_d8",
+	"syspll_d10",
+	"univpll1_d10",
+	"mempll_mck_d4",
+	"univpll_d26",
+	"syspll_d24"
+};
+
+static const char * const smi_mfg_as_parents[] __initconst = {
+	"clk26m",
+	"smi_sel",
+	"mfg_sel",
+	"mem_sel"
+};
+
+static const char * const gcpu_parents[] __initconst = {
+	"clk26m",
+	"syspll_d4",
+	"univpll_d7",
+	"syspll_d5",
+	"syspll_d6"
+};
+
+static const char * const dpi1_parents[] __initconst = {
+	"clk26m",
+	"tvhdmi_h_ck",
+	"tvhdmi_d2",
+	"tvhdmi_d4"
+};
+
+static const char * const cci_parents[] __initconst = {
+	"clk26m",
+	"mainpll_537p3m",
+	"univpll_d3",
+	"syspll_d2p5",
+	"syspll_d3",
+	"syspll_d5"
+};
+
+static const char * const apll_parents[] __initconst = {
+	"clk26m",
+	"apll_ck",
+	"apll_d4",
+	"apll_d8",
+	"apll_d16",
+	"apll_d24"
+};
+
+static const char * const hdmipll_parents[] __initconst = {
+	"clk26m",
+	"hdmitx_clkdig_cts",
+	"hdmitx_clkdig_d2",
+	"hdmitx_clkdig_d3"
+};
+
+static const struct mtk_composite top_muxes[] __initconst = {
+	/* CLK_CFG_0 */
+	MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
+		0x0140, 0, 3, INVALID_MUX_GATE_BIT),
+	MUX_GATE(CLK_TOP_SMI_SEL, "smi_sel", smi_parents, 0x0140, 8, 4, 15),
+	MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, 0x0140, 16, 4, 23),
+	MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0x0140, 24, 2, 31),
+	/* CLK_CFG_1 */
+	MUX_GATE(CLK_TOP_CAM_SEL, "cam_sel", cam_parents, 0x0144, 0, 3, 7),
+	MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents,
+		0x0144, 8, 2, 15),
+	MUX_GATE(CLK_TOP_JPG_SEL, "jpg_sel", jpg_parents, 0x0144, 16, 3, 23),
+	MUX_GATE(CLK_TOP_DISP_SEL, "disp_sel", disp_parents, 0x0144, 24, 3, 31),
+	/* CLK_CFG_2 */
+	MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_parents, 0x0148, 0, 3, 7),
+	MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_parents, 0x0148, 8, 3, 15),
+	MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_parents, 0x0148, 16, 3, 23),
+	MUX_GATE(CLK_TOP_MSDC30_4_SEL, "msdc30_4_sel", msdc30_parents, 0x0148, 24, 3, 31),
+	/* CLK_CFG_3 */
+	MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, 0x014c, 0, 2, 7),
+	/* CLK_CFG_4 */
+	MUX_GATE(CLK_TOP_VENC_SEL, "venc_sel", venc_parents, 0x0150, 8, 3, 15),
+	MUX_GATE(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x0150, 16, 3, 23),
+	MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x0150, 24, 2, 31),
+	/* CLK_CFG_6 */
+	MUX_GATE(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, 0x0158, 0, 2, 7),
+	MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, 0x0158, 8, 3, 15),
+	MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x0158, 24, 2, 31),
+	/* CLK_CFG_7 */
+	MUX_GATE(CLK_TOP_FIX_SEL, "fix_sel", fix_parents, 0x015c, 0, 3, 7),
+	MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, 0x015c, 8, 4, 15),
+	MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents,
+		0x015c, 16, 2, 23),
+	MUX_GATE(CLK_TOP_DPILVDS_SEL, "dpilvds_sel", dpilvds_parents, 0x015c, 24, 3, 31),
+	/* CLK_CFG_8 */
+	MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, 0x0164, 0, 3, 7),
+	MUX_GATE(CLK_TOP_MSDC30_0_SEL, "msdc30_0_sel", msdc30_parents, 0x0164, 8, 3, 15),
+	MUX_GATE(CLK_TOP_SMI_MFG_AS_SEL, "smi_mfg_as_sel", smi_mfg_as_parents,
+		0x0164, 16, 2, 23),
+	MUX_GATE(CLK_TOP_GCPU_SEL, "gcpu_sel", gcpu_parents, 0x0164, 24, 3, 31),
+	/* CLK_CFG_9 */
+	MUX_GATE(CLK_TOP_DPI1_SEL, "dpi1_sel", dpi1_parents, 0x0168, 0, 2, 7),
+	MUX_GATE(CLK_TOP_CCI_SEL, "cci_sel", cci_parents, 0x0168, 8, 3, 15),
+	MUX_GATE(CLK_TOP_APLL_SEL, "apll_sel", apll_parents, 0x0168, 16, 3, 23),
+	MUX_GATE(CLK_TOP_HDMIPLL_SEL, "hdmipll_sel", hdmipll_parents, 0x0168, 24, 2, 31),
+};
+
+static const struct mtk_gate_regs infra_cg_regs = {
+	.set_ofs = 0x0040,
+	.clr_ofs = 0x0044,
+	.sta_ofs = 0x0048,
+};
+
+#define GATE_ICG(_id, _name, _parent, _shift) {	\
+		.id = _id,					\
+		.name = _name,					\
+		.parent_name = _parent,				\
+		.regs = &infra_cg_regs,				\
+		.shift = _shift,				\
+		.ops = &mtk_clk_gate_ops_setclr,		\
+	}
+
+static const struct mtk_gate infra_clks[] __initconst = {
+	GATE_ICG(CLK_INFRA_PMIC_WRAP, "pmic_wrap_ck", "axi_sel", 23),
+	GATE_ICG(CLK_INFRA_PMICSPI, "pmicspi_ck", "pmicspi_sel", 22),
+	GATE_ICG(CLK_INFRA_CCIF1_AP_CTRL, "ccif1_ap_ctrl", "axi_sel", 21),
+	GATE_ICG(CLK_INFRA_CCIF0_AP_CTRL, "ccif0_ap_ctrl", "axi_sel", 20),
+	GATE_ICG(CLK_INFRA_KP, "kp_ck", "axi_sel", 16),
+	GATE_ICG(CLK_INFRA_CPUM, "cpum_ck", "cpum_tck_in", 15),
+	GATE_ICG(CLK_INFRA_M4U, "m4u_ck", "mem_sel", 8),
+	GATE_ICG(CLK_INFRA_MFGAXI, "mfgaxi_ck", "axi_sel", 7),
+	GATE_ICG(CLK_INFRA_DEVAPC, "devapc_ck", "axi_sel", 6),
+	GATE_ICG(CLK_INFRA_AUDIO, "audio_ck", "aud_intbus_sel", 5),
+	GATE_ICG(CLK_INFRA_MFG_BUS, "mfg_bus_ck", "axi_sel", 2),
+	GATE_ICG(CLK_INFRA_SMI, "smi_ck", "smi_sel", 1),
+	GATE_ICG(CLK_INFRA_DBGCLK, "dbgclk_ck", "axi_sel", 0),
+};
+
+static const struct mtk_gate_regs peri0_cg_regs = {
+	.set_ofs = 0x0008,
+	.clr_ofs = 0x0010,
+	.sta_ofs = 0x0018,
+};
+
+static const struct mtk_gate_regs peri1_cg_regs = {
+	.set_ofs = 0x000c,
+	.clr_ofs = 0x0014,
+	.sta_ofs = 0x001c,
+};
+
+#define GATE_PERI0(_id, _name, _parent, _shift) {	\
+		.id = _id,					\
+		.name = _name,					\
+		.parent_name = _parent,				\
+		.regs = &peri0_cg_regs,				\
+		.shift = _shift,				\
+		.ops = &mtk_clk_gate_ops_setclr,		\
+	}
+
+#define GATE_PERI1(_id, _name, _parent, _shift) {	\
+		.id = _id,					\
+		.name = _name,					\
+		.parent_name = _parent,				\
+		.regs = &peri1_cg_regs,				\
+		.shift = _shift,				\
+		.ops = &mtk_clk_gate_ops_setclr,		\
+	}
+
+static const struct mtk_gate peri_gates[] __initconst = {
+	/* PERI0 */
+	GATE_PERI0(CLK_PERI_I2C5, "i2c5_ck", "axi_sel", 31),
+	GATE_PERI0(CLK_PERI_I2C4, "i2c4_ck", "axi_sel", 30),
+	GATE_PERI0(CLK_PERI_I2C3, "i2c3_ck", "axi_sel", 29),
+	GATE_PERI0(CLK_PERI_I2C2, "i2c2_ck", "axi_sel", 28),
+	GATE_PERI0(CLK_PERI_I2C1, "i2c1_ck", "axi_sel", 27),
+	GATE_PERI0(CLK_PERI_I2C0, "i2c0_ck", "axi_sel", 26),
+	GATE_PERI0(CLK_PERI_UART3, "uart3_ck", "axi_sel", 25),
+	GATE_PERI0(CLK_PERI_UART2, "uart2_ck", "axi_sel", 24),
+	GATE_PERI0(CLK_PERI_UART1, "uart1_ck", "axi_sel", 23),
+	GATE_PERI0(CLK_PERI_UART0, "uart0_ck", "axi_sel", 22),
+	GATE_PERI0(CLK_PERI_IRDA, "irda_ck", "irda_sel", 21),
+	GATE_PERI0(CLK_PERI_NLI, "nli_ck", "axi_sel", 20),
+	GATE_PERI0(CLK_PERI_MD_HIF, "md_hif_ck", "axi_sel", 19),
+	GATE_PERI0(CLK_PERI_AP_HIF, "ap_hif_ck", "axi_sel", 18),
+	GATE_PERI0(CLK_PERI_MSDC30_3, "msdc30_3_ck", "msdc30_4_sel", 17),
+	GATE_PERI0(CLK_PERI_MSDC30_2, "msdc30_2_ck", "msdc30_3_sel", 16),
+	GATE_PERI0(CLK_PERI_MSDC30_1, "msdc30_1_ck", "msdc30_2_sel", 15),
+	GATE_PERI0(CLK_PERI_MSDC20_2, "msdc20_2_ck", "msdc30_1_sel", 14),
+	GATE_PERI0(CLK_PERI_MSDC20_1, "msdc20_1_ck", "msdc30_0_sel", 13),
+	GATE_PERI0(CLK_PERI_AP_DMA, "ap_dma_ck", "axi_sel", 12),
+	GATE_PERI0(CLK_PERI_USB1, "usb1_ck", "usb20_sel", 11),
+	GATE_PERI0(CLK_PERI_USB0, "usb0_ck", "usb20_sel", 10),
+	GATE_PERI0(CLK_PERI_PWM, "pwm_ck", "axi_sel", 9),
+	GATE_PERI0(CLK_PERI_PWM7, "pwm7_ck", "axi_sel", 8),
+	GATE_PERI0(CLK_PERI_PWM6, "pwm6_ck", "axi_sel", 7),
+	GATE_PERI0(CLK_PERI_PWM5, "pwm5_ck", "axi_sel", 6),
+	GATE_PERI0(CLK_PERI_PWM4, "pwm4_ck", "axi_sel", 5),
+	GATE_PERI0(CLK_PERI_PWM3, "pwm3_ck", "axi_sel", 4),
+	GATE_PERI0(CLK_PERI_PWM2, "pwm2_ck", "axi_sel", 3),
+	GATE_PERI0(CLK_PERI_PWM1, "pwm1_ck", "axi_sel", 2),
+	GATE_PERI0(CLK_PERI_THERM, "therm_ck", "axi_sel", 1),
+	GATE_PERI0(CLK_PERI_NFI, "nfi_ck", "axi_sel", 0),
+	/* PERI1 */
+	GATE_PERI1(CLK_PERI_USBSLV, "usbslv_ck", "axi_sel", 8),
+	GATE_PERI1(CLK_PERI_USB1_MCU, "usb1_mcu_ck", "axi_sel", 7),
+	GATE_PERI1(CLK_PERI_USB0_MCU, "usb0_mcu_ck", "axi_sel", 6),
+	GATE_PERI1(CLK_PERI_GCPU, "gcpu_ck", "gcpu_sel", 5),
+	GATE_PERI1(CLK_PERI_FHCTL, "fhctl_ck", "clk26m", 4),
+	GATE_PERI1(CLK_PERI_SPI1, "spi1_ck", "spi_sel", 3),
+	GATE_PERI1(CLK_PERI_AUXADC, "auxadc_ck", "clk26m", 2),
+	GATE_PERI1(CLK_PERI_PERI_PWRAP, "peri_pwrap_ck", "axi_sel", 1),
+	GATE_PERI1(CLK_PERI_I2C6, "i2c6_ck", "axi_sel", 0),
+};
+
+static const char * const uart_ck_sel_parents[] __initconst = {
+	"clk26m",
+	"uart_sel",
+};
+
+static const struct mtk_composite peri_clks[] __initconst = {
+	MUX(CLK_PERI_UART0_SEL, "uart0_ck_sel", uart_ck_sel_parents, 0x40c, 0, 1),
+	MUX(CLK_PERI_UART1_SEL, "uart1_ck_sel", uart_ck_sel_parents, 0x40c, 1, 1),
+	MUX(CLK_PERI_UART2_SEL, "uart2_ck_sel", uart_ck_sel_parents, 0x40c, 2, 1),
+	MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1),
+};
+
+static void __init mtk_topckgen_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+	void __iomem *base;
+	int r;
+
+	base = of_iomap(node, 0);
+	if (!base) {
+		pr_err("%s(): ioremap failed\n", __func__);
+		return;
+	}
+
+	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+
+	mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data);
+	mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
+	mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base,
+			&mt8135_clk_lock, clk_data);
+
+	clk_prepare_enable(clk_data->clks[CLK_TOP_CCI_SEL]);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+}
+CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8135-topckgen", mtk_topckgen_init);
+
+static void __init mtk_infrasys_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+
+	clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
+
+	mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks),
+						clk_data);
+
+	clk_prepare_enable(clk_data->clks[CLK_INFRA_M4U]);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+
+	mtk_register_reset_controller(node, 2, 0x30);
+}
+CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8135-infracfg", mtk_infrasys_init);
+
+static void __init mtk_pericfg_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	void __iomem *base;
+
+	base = of_iomap(node, 0);
+	if (!base) {
+		pr_err("%s(): ioremap failed\n", __func__);
+		return;
+	}
+
+	clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
+
+	mtk_clk_register_gates(node, peri_gates, ARRAY_SIZE(peri_gates),
+						clk_data);
+	mtk_clk_register_composites(peri_clks, ARRAY_SIZE(peri_clks), base,
+			&mt8135_clk_lock, clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+
+	mtk_register_reset_controller(node, 2, 0);
+}
+CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8135-pericfg", mtk_pericfg_init);
+
+#define MT8135_PLL_FMAX		(2000 * MHZ)
+#define CON0_MT8135_RST_BAR	BIT(27)
+
+#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift) { \
+		.id = _id,						\
+		.name = _name,						\
+		.reg = _reg,						\
+		.pwr_reg = _pwr_reg,					\
+		.en_mask = _en_mask,					\
+		.flags = _flags,					\
+		.rst_bar_mask = CON0_MT8135_RST_BAR,			\
+		.fmax = MT8135_PLL_FMAX,				\
+		.pcwbits = _pcwbits,					\
+		.pd_reg = _pd_reg,					\
+		.pd_shift = _pd_shift,					\
+		.tuner_reg = _tuner_reg,				\
+		.pcw_reg = _pcw_reg,					\
+		.pcw_shift = _pcw_shift,				\
+	}
+
+static const struct mtk_pll_data plls[] = {
+	PLL(CLK_APMIXED_ARMPLL1, "armpll1", 0x200, 0x218, 0x80000001, 0, 21, 0x204, 24, 0x0, 0x204, 0),
+	PLL(CLK_APMIXED_ARMPLL2, "armpll2", 0x2cc, 0x2e4, 0x80000001, 0, 21, 0x2d0, 24, 0x0, 0x2d0, 0),
+	PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x21c, 0x234, 0xf0000001, HAVE_RST_BAR, 21, 0x21c, 6, 0x0, 0x220, 0),
+	PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x238, 0x250, 0xf3000001, HAVE_RST_BAR, 7, 0x238, 6, 0x0, 0x238, 9),
+	PLL(CLK_APMIXED_MMPLL, "mmpll", 0x254, 0x26c, 0xf0000001, HAVE_RST_BAR, 21, 0x254, 6, 0x0, 0x258, 0),
+	PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x278, 0x290, 0x80000001, 0, 21, 0x278, 6, 0x0, 0x27c, 0),
+	PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x294, 0x2ac, 0x80000001, 0, 31, 0x294, 6, 0x0, 0x298, 0),
+	PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x2b0, 0x2c8,	0x80000001, 0, 21, 0x2b0, 6, 0x0, 0x2b4, 0),
+	PLL(CLK_APMIXED_AUDPLL, "audpll", 0x2e8, 0x300, 0x80000001, 0, 31, 0x2e8, 6, 0x2f8, 0x2ec, 0),
+	PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x304, 0x31c,	0x80000001, 0, 21, 0x2b0, 6, 0x0, 0x308, 0),
+};
+
+static void __init mtk_apmixedsys_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+
+	clk_data = mtk_alloc_clk_data(ARRAY_SIZE(plls));
+	if (!clk_data)
+		return;
+
+	mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
+}
+CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8135-apmixedsys",
+		mtk_apmixedsys_init);
diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
new file mode 100644
index 0000000..357b080
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8173.c
@@ -0,0 +1,830 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+#include <linux/mfd/syscon.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8173-clk.h>
+
+static DEFINE_SPINLOCK(mt8173_clk_lock);
+
+static const struct mtk_fixed_factor root_clk_alias[] __initconst = {
+	FACTOR(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk_null", 1, 1),
+	FACTOR(CLK_TOP_DPI, "dpi_ck", "clk_null", 1, 1),
+	FACTOR(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk_null", 1, 1),
+	FACTOR(CLK_TOP_HDMITX_DIG_CTS, "hdmitx_dig_cts", "clk_null", 1, 1),
+};
+
+static const struct mtk_fixed_factor top_divs[] __initconst = {
+	FACTOR(CLK_TOP_ARMCA7PLL_754M, "armca7pll_754m", "armca7pll", 1, 2),
+	FACTOR(CLK_TOP_ARMCA7PLL_502M, "armca7pll_502m", "armca7pll", 1, 3),
+
+	FACTOR(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2),
+	FACTOR(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3),
+	FACTOR(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5),
+	FACTOR(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7),
+
+	FACTOR(CLK_TOP_TVDPLL_445P5M, "tvdpll_445p5m", "tvdpll", 1, 4),
+	FACTOR(CLK_TOP_TVDPLL_594M, "tvdpll_594m", "tvdpll", 1, 3),
+
+	FACTOR(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2),
+	FACTOR(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3),
+	FACTOR(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5),
+	FACTOR(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7),
+	FACTOR(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26),
+
+	FACTOR(CLK_TOP_CLKRTC_EXT, "clkrtc_ext", "clk32k", 1, 1),
+	FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793),
+	FACTOR(CLK_TOP_FPC, "fpc_ck", "clk26m", 1, 1),
+
+	FACTOR(CLK_TOP_HDMITXPLL_D2, "hdmitxpll_d2", "hdmitx_dig_cts", 1, 2),
+	FACTOR(CLK_TOP_HDMITXPLL_D3, "hdmitxpll_d3", "hdmitx_dig_cts", 1, 3),
+
+	FACTOR(CLK_TOP_ARMCA7PLL_D2, "armca7pll_d2", "armca7pll_754m", 1, 1),
+	FACTOR(CLK_TOP_ARMCA7PLL_D3, "armca7pll_d3", "armca7pll_502m", 1, 1),
+
+	FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1),
+	FACTOR(CLK_TOP_APLL2, "apll2_ck", "apll2", 1, 1),
+
+	FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "clkph_mck_o", 1, 1),
+	FACTOR(CLK_TOP_DMPLL_D2, "dmpll_d2", "clkph_mck_o", 1, 2),
+	FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "clkph_mck_o", 1, 4),
+	FACTOR(CLK_TOP_DMPLL_D8, "dmpll_d8", "clkph_mck_o", 1, 8),
+	FACTOR(CLK_TOP_DMPLL_D16, "dmpll_d16", "clkph_mck_o", 1, 16),
+
+	FACTOR(CLK_TOP_LVDSPLL_D2, "lvdspll_d2", "lvdspll", 1, 2),
+	FACTOR(CLK_TOP_LVDSPLL_D4, "lvdspll_d4", "lvdspll", 1, 4),
+	FACTOR(CLK_TOP_LVDSPLL_D8, "lvdspll_d8", "lvdspll", 1, 8),
+
+	FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1),
+	FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2),
+
+	FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1),
+	FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2),
+	FACTOR(CLK_TOP_MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4),
+	FACTOR(CLK_TOP_MSDCPLL2, "msdcpll2_ck", "msdcpll2", 1, 1),
+	FACTOR(CLK_TOP_MSDCPLL2_D2, "msdcpll2_d2", "msdcpll2", 1, 2),
+	FACTOR(CLK_TOP_MSDCPLL2_D4, "msdcpll2_d4", "msdcpll2", 1, 4),
+
+	FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8),
+	FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16),
+	FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4),
+
+	FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll_594m", 1, 1),
+	FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll_594m", 1, 2),
+	FACTOR(CLK_TOP_TVDPLL_D4, "tvdpll_d4", "tvdpll_594m", 1, 4),
+	FACTOR(CLK_TOP_TVDPLL_D8, "tvdpll_d8", "tvdpll_594m", 1, 8),
+	FACTOR(CLK_TOP_TVDPLL_D16, "tvdpll_d16", "tvdpll_594m", 1, 16),
+
+	FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2),
+
+	FACTOR(CLK_TOP_VCODECPLL, "vcodecpll_ck", "vcodecpll", 1, 3),
+	FACTOR(CLK_TOP_VCODECPLL_370P5, "vcodecpll_370p5", "vcodecpll", 1, 4),
+
+	FACTOR(CLK_TOP_VENCPLL, "vencpll_ck", "vencpll", 1, 1),
+	FACTOR(CLK_TOP_VENCPLL_D2, "vencpll_d2", "vencpll", 1, 2),
+	FACTOR(CLK_TOP_VENCPLL_D4, "vencpll_d4", "vencpll", 1, 4),
+};
+
+static const char * const axi_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d2",
+	"syspll_d5",
+	"syspll1_d4",
+	"univpll_d5",
+	"univpll2_d2",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const mem_parents[] __initconst = {
+	"clk26m",
+	"dmpll_ck"
+};
+
+static const char * const ddrphycfg_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d8"
+};
+
+static const char * const mm_parents[] __initconst = {
+	"clk26m",
+	"vencpll_d2",
+	"main_h364m",
+	"syspll1_d2",
+	"syspll_d5",
+	"syspll1_d4",
+	"univpll1_d2",
+	"univpll2_d2",
+	"dmpll_d2"
+};
+
+static const char * const pwm_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d4",
+	"univpll3_d2",
+	"univpll1_d4"
+};
+
+static const char * const vdec_parents[] __initconst = {
+	"clk26m",
+	"vcodecpll_ck",
+	"tvdpll_445p5m",
+	"univpll_d3",
+	"vencpll_d2",
+	"syspll_d3",
+	"univpll1_d2",
+	"mmpll_d2",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const venc_parents[] __initconst = {
+	"clk26m",
+	"vcodecpll_ck",
+	"tvdpll_445p5m",
+	"univpll_d3",
+	"vencpll_d2",
+	"syspll_d3",
+	"univpll1_d2",
+	"univpll2_d2",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const mfg_parents[] __initconst = {
+	"clk26m",
+	"mmpll_ck",
+	"dmpll_ck",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"syspll_d3",
+	"syspll1_d2",
+	"syspll_d5",
+	"univpll_d3",
+	"univpll1_d2",
+	"univpll_d5",
+	"univpll2_d2"
+};
+
+static const char * const camtg_parents[] __initconst = {
+	"clk26m",
+	"univpll_d26",
+	"univpll2_d2",
+	"syspll3_d2",
+	"syspll3_d4",
+	"univpll1_d4"
+};
+
+static const char * const uart_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d8"
+};
+
+static const char * const spi_parents[] __initconst = {
+	"clk26m",
+	"syspll3_d2",
+	"syspll1_d4",
+	"syspll4_d2",
+	"univpll3_d2",
+	"univpll2_d4",
+	"univpll1_d8"
+};
+
+static const char * const usb20_parents[] __initconst = {
+	"clk26m",
+	"univpll1_d8",
+	"univpll3_d4"
+};
+
+static const char * const usb30_parents[] __initconst = {
+	"clk26m",
+	"univpll3_d2",
+	"usb_syspll_125m",
+	"univpll2_d4"
+};
+
+static const char * const msdc50_0_h_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d2",
+	"syspll2_d2",
+	"syspll4_d2",
+	"univpll_d5",
+	"univpll1_d4"
+};
+
+static const char * const msdc50_0_parents[] __initconst = {
+	"clk26m",
+	"msdcpll_ck",
+	"msdcpll_d2",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"msdcpll_d4",
+	"vencpll_d4",
+	"tvdpll_ck",
+	"univpll_d2",
+	"univpll1_d2",
+	"mmpll_ck",
+	"msdcpll2_ck",
+	"msdcpll2_d2",
+	"msdcpll2_d4"
+};
+
+static const char * const msdc30_1_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d2",
+	"msdcpll_d4",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"univpll_d7",
+	"vencpll_d4"
+};
+
+static const char * const msdc30_2_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d2",
+	"msdcpll_d4",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"univpll_d7",
+	"vencpll_d2"
+};
+
+static const char * const msdc30_3_parents[] __initconst = {
+	"clk26m",
+	"msdcpll2_ck",
+	"msdcpll2_d2",
+	"univpll2_d2",
+	"msdcpll2_d4",
+	"msdcpll_d4",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"univpll_d7",
+	"vencpll_d4",
+	"msdcpll_ck",
+	"msdcpll_d2",
+	"msdcpll_d4"
+};
+
+static const char * const audio_parents[] __initconst = {
+	"clk26m",
+	"syspll3_d4",
+	"syspll4_d4",
+	"syspll1_d16"
+};
+
+static const char * const aud_intbus_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d4",
+	"syspll4_d2",
+	"univpll3_d2",
+	"univpll2_d8",
+	"dmpll_d4",
+	"dmpll_d8"
+};
+
+static const char * const pmicspi_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d8",
+	"syspll3_d4",
+	"syspll1_d16",
+	"univpll3_d4",
+	"univpll_d26",
+	"dmpll_d8",
+	"dmpll_d16"
+};
+
+static const char * const scp_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d2",
+	"univpll_d5",
+	"syspll_d5",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const atb_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d2",
+	"univpll_d5",
+	"dmpll_d2"
+};
+
+static const char * const venc_lt_parents[] __initconst = {
+	"clk26m",
+	"univpll_d3",
+	"vcodecpll_ck",
+	"tvdpll_445p5m",
+	"vencpll_d2",
+	"syspll_d3",
+	"univpll1_d2",
+	"univpll2_d2",
+	"syspll1_d2",
+	"univpll_d5",
+	"vcodecpll_370p5",
+	"dmpll_ck"
+};
+
+static const char * const dpi0_parents[] __initconst = {
+	"clk26m",
+	"tvdpll_d2",
+	"tvdpll_d4",
+	"clk26m",
+	"clk26m",
+	"tvdpll_d8",
+	"tvdpll_d16"
+};
+
+static const char * const irda_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d4",
+	"syspll2_d4"
+};
+
+static const char * const cci400_parents[] __initconst = {
+	"clk26m",
+	"vencpll_ck",
+	"armca7pll_754m",
+	"armca7pll_502m",
+	"univpll_d2",
+	"syspll_d2",
+	"msdcpll_ck",
+	"dmpll_ck"
+};
+
+static const char * const aud_1_parents[] __initconst = {
+	"clk26m",
+	"apll1_ck",
+	"univpll2_d4",
+	"univpll2_d8"
+};
+
+static const char * const aud_2_parents[] __initconst = {
+	"clk26m",
+	"apll2_ck",
+	"univpll2_d4",
+	"univpll2_d8"
+};
+
+static const char * const mem_mfg_in_parents[] __initconst = {
+	"clk26m",
+	"mmpll_ck",
+	"dmpll_ck",
+	"clk26m"
+};
+
+static const char * const axi_mfg_in_parents[] __initconst = {
+	"clk26m",
+	"axi_sel",
+	"dmpll_d2"
+};
+
+static const char * const scam_parents[] __initconst = {
+	"clk26m",
+	"syspll3_d2",
+	"univpll2_d4",
+	"dmpll_d4"
+};
+
+static const char * const spinfi_ifr_parents[] __initconst = {
+	"clk26m",
+	"univpll2_d8",
+	"univpll3_d4",
+	"syspll4_d2",
+	"univpll2_d4",
+	"univpll3_d2",
+	"syspll1_d4",
+	"univpll1_d4"
+};
+
+static const char * const hdmi_parents[] __initconst = {
+	"clk26m",
+	"hdmitx_dig_cts",
+	"hdmitxpll_d2",
+	"hdmitxpll_d3"
+};
+
+static const char * const dpilvds_parents[] __initconst = {
+	"clk26m",
+	"lvdspll",
+	"lvdspll_d2",
+	"lvdspll_d4",
+	"lvdspll_d8",
+	"fpc_ck"
+};
+
+static const char * const msdc50_2_h_parents[] __initconst = {
+	"clk26m",
+	"syspll1_d2",
+	"syspll2_d2",
+	"syspll4_d2",
+	"univpll_d5",
+	"univpll1_d4"
+};
+
+static const char * const hdcp_parents[] __initconst = {
+	"clk26m",
+	"syspll4_d2",
+	"syspll3_d4",
+	"univpll2_d4"
+};
+
+static const char * const hdcp_24m_parents[] __initconst = {
+	"clk26m",
+	"univpll_d26",
+	"univpll_d52",
+	"univpll2_d8"
+};
+
+static const char * const rtc_parents[] __initconst = {
+	"clkrtc_int",
+	"clkrtc_ext",
+	"clk26m",
+	"univpll3_d8"
+};
+
+static const char * const i2s0_m_ck_parents[] __initconst = {
+	"apll1_div1",
+	"apll2_div1"
+};
+
+static const char * const i2s1_m_ck_parents[] __initconst = {
+	"apll1_div2",
+	"apll2_div2"
+};
+
+static const char * const i2s2_m_ck_parents[] __initconst = {
+	"apll1_div3",
+	"apll2_div3"
+};
+
+static const char * const i2s3_m_ck_parents[] __initconst = {
+	"apll1_div4",
+	"apll2_div4"
+};
+
+static const char * const i2s3_b_ck_parents[] __initconst = {
+	"apll1_div5",
+	"apll2_div5"
+};
+
+static const struct mtk_composite top_muxes[] __initconst = {
+	/* CLK_CFG_0 */
+	MUX(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3),
+	MUX(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, 0x0040, 8, 1),
+	MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, 0x0040, 16, 1, 23),
+	MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, 0x0040, 24, 4, 31),
+	/* CLK_CFG_1 */
+	MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x0050, 0, 2, 7),
+	MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, 0x0050, 8, 4, 15),
+	MUX_GATE(CLK_TOP_VENC_SEL, "venc_sel", venc_parents, 0x0050, 16, 4, 23),
+	MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, 0x0050, 24, 4, 31),
+	/* CLK_CFG_2 */
+	MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, 0x0060, 0, 3, 7),
+	MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x0060, 8, 1, 15),
+	MUX_GATE(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x0060, 16, 3, 23),
+	MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, 0x0060, 24, 2, 31),
+	/* CLK_CFG_3 */
+	MUX_GATE(CLK_TOP_USB30_SEL, "usb30_sel", usb30_parents, 0x0070, 0, 2, 7),
+	MUX_GATE(CLK_TOP_MSDC50_0_H_SEL, "msdc50_0_h_sel", msdc50_0_h_parents, 0x0070, 8, 3, 15),
+	MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_parents, 0x0070, 16, 4, 23),
+	MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_parents, 0x0070, 24, 3, 31),
+	/* CLK_CFG_4 */
+	MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_2_parents, 0x0080, 0, 3, 7),
+	MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_3_parents, 0x0080, 8, 4, 15),
+	MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x0080, 16, 2, 23),
+	MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents, 0x0080, 24, 3, 31),
+	/* CLK_CFG_5 */
+	MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, 0x0090, 0, 3, 7 /* 7:5 */),
+	MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, 0x0090, 8, 3, 15),
+	MUX_GATE(CLK_TOP_ATB_SEL, "atb_sel", atb_parents, 0x0090, 16, 2, 23),
+	MUX_GATE(CLK_TOP_VENC_LT_SEL, "venclt_sel", venc_lt_parents, 0x0090, 24, 4, 31),
+	/* CLK_CFG_6 */
+	MUX_GATE(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0x00a0, 0, 3, 7),
+	MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0x00a0, 8, 2, 15),
+	MUX_GATE(CLK_TOP_CCI400_SEL, "cci400_sel", cci400_parents, 0x00a0, 16, 3, 23),
+	MUX_GATE(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents, 0x00a0, 24, 2, 31),
+	/* CLK_CFG_7 */
+	MUX_GATE(CLK_TOP_AUD_2_SEL, "aud_2_sel", aud_2_parents, 0x00b0, 0, 2, 7),
+	MUX_GATE(CLK_TOP_MEM_MFG_IN_SEL, "mem_mfg_in_sel", mem_mfg_in_parents, 0x00b0, 8, 2, 15),
+	MUX_GATE(CLK_TOP_AXI_MFG_IN_SEL, "axi_mfg_in_sel", axi_mfg_in_parents, 0x00b0, 16, 2, 23),
+	MUX_GATE(CLK_TOP_SCAM_SEL, "scam_sel", scam_parents, 0x00b0, 24, 2, 31),
+	/* CLK_CFG_12 */
+	MUX_GATE(CLK_TOP_SPINFI_IFR_SEL, "spinfi_ifr_sel", spinfi_ifr_parents, 0x00c0, 0, 3, 7),
+	MUX_GATE(CLK_TOP_HDMI_SEL, "hdmi_sel", hdmi_parents, 0x00c0, 8, 2, 15),
+	MUX_GATE(CLK_TOP_DPILVDS_SEL, "dpilvds_sel", dpilvds_parents, 0x00c0, 24, 3, 31),
+	/* CLK_CFG_13 */
+	MUX_GATE(CLK_TOP_MSDC50_2_H_SEL, "msdc50_2_h_sel", msdc50_2_h_parents, 0x00d0, 0, 3, 7),
+	MUX_GATE(CLK_TOP_HDCP_SEL, "hdcp_sel", hdcp_parents, 0x00d0, 8, 2, 15),
+	MUX_GATE(CLK_TOP_HDCP_24M_SEL, "hdcp_24m_sel", hdcp_24m_parents, 0x00d0, 16, 2, 23),
+	MUX(CLK_TOP_RTC_SEL, "rtc_sel", rtc_parents, 0x00d0, 24, 2),
+
+	DIV_GATE(CLK_TOP_APLL1_DIV0, "apll1_div0", "aud_1_sel", 0x12c, 8, 0x120, 4, 24),
+	DIV_GATE(CLK_TOP_APLL1_DIV1, "apll1_div1", "aud_1_sel", 0x12c, 9, 0x124, 8, 0),
+	DIV_GATE(CLK_TOP_APLL1_DIV2, "apll1_div2", "aud_1_sel", 0x12c, 10, 0x124, 8, 8),
+	DIV_GATE(CLK_TOP_APLL1_DIV3, "apll1_div3", "aud_1_sel", 0x12c, 11, 0x124, 8, 16),
+	DIV_GATE(CLK_TOP_APLL1_DIV4, "apll1_div4", "aud_1_sel", 0x12c, 12, 0x124, 8, 24),
+	DIV_GATE(CLK_TOP_APLL1_DIV5, "apll1_div5", "apll1_div4", 0x12c, 13, 0x12c, 4, 0),
+
+	DIV_GATE(CLK_TOP_APLL2_DIV0, "apll2_div0", "aud_2_sel", 0x12c, 16, 0x120, 4, 28),
+	DIV_GATE(CLK_TOP_APLL2_DIV1, "apll2_div1", "aud_2_sel", 0x12c, 17, 0x128, 8, 0),
+	DIV_GATE(CLK_TOP_APLL2_DIV2, "apll2_div2", "aud_2_sel", 0x12c, 18, 0x128, 8, 8),
+	DIV_GATE(CLK_TOP_APLL2_DIV3, "apll2_div3", "aud_2_sel", 0x12c, 19, 0x128, 8, 16),
+	DIV_GATE(CLK_TOP_APLL2_DIV4, "apll2_div4", "aud_2_sel", 0x12c, 20, 0x128, 8, 24),
+	DIV_GATE(CLK_TOP_APLL2_DIV5, "apll2_div5", "apll2_div4", 0x12c, 21, 0x12c, 4, 4),
+
+	MUX(CLK_TOP_I2S0_M_SEL, "i2s0_m_ck_sel", i2s0_m_ck_parents, 0x120, 4, 1),
+	MUX(CLK_TOP_I2S1_M_SEL, "i2s1_m_ck_sel", i2s1_m_ck_parents, 0x120, 5, 1),
+	MUX(CLK_TOP_I2S2_M_SEL, "i2s2_m_ck_sel", i2s2_m_ck_parents, 0x120, 6, 1),
+	MUX(CLK_TOP_I2S3_M_SEL, "i2s3_m_ck_sel", i2s3_m_ck_parents, 0x120, 7, 1),
+	MUX(CLK_TOP_I2S3_B_SEL, "i2s3_b_ck_sel", i2s3_b_ck_parents, 0x120, 8, 1),
+};
+
+static const struct mtk_gate_regs infra_cg_regs = {
+	.set_ofs = 0x0040,
+	.clr_ofs = 0x0044,
+	.sta_ofs = 0x0048,
+};
+
+#define GATE_ICG(_id, _name, _parent, _shift) {	\
+		.id = _id,					\
+		.name = _name,					\
+		.parent_name = _parent,				\
+		.regs = &infra_cg_regs,				\
+		.shift = _shift,				\
+		.ops = &mtk_clk_gate_ops_setclr,		\
+	}
+
+static const struct mtk_gate infra_clks[] __initconst = {
+	GATE_ICG(CLK_INFRA_DBGCLK, "infra_dbgclk", "axi_sel", 0),
+	GATE_ICG(CLK_INFRA_SMI, "infra_smi", "mm_sel", 1),
+	GATE_ICG(CLK_INFRA_AUDIO, "infra_audio", "aud_intbus_sel", 5),
+	GATE_ICG(CLK_INFRA_GCE, "infra_gce", "axi_sel", 6),
+	GATE_ICG(CLK_INFRA_L2C_SRAM, "infra_l2c_sram", "axi_sel", 7),
+	GATE_ICG(CLK_INFRA_M4U, "infra_m4u", "mem_sel", 8),
+	GATE_ICG(CLK_INFRA_CPUM, "infra_cpum", "clk_null", 15),
+	GATE_ICG(CLK_INFRA_KP, "infra_kp", "axi_sel", 16),
+	GATE_ICG(CLK_INFRA_CEC, "infra_cec", "clk26m", 18),
+	GATE_ICG(CLK_INFRA_PMICSPI, "infra_pmicspi", "pmicspi_sel", 22),
+	GATE_ICG(CLK_INFRA_PMICWRAP, "infra_pmicwrap", "axi_sel", 23),
+};
+
+static const struct mtk_gate_regs peri0_cg_regs = {
+	.set_ofs = 0x0008,
+	.clr_ofs = 0x0010,
+	.sta_ofs = 0x0018,
+};
+
+static const struct mtk_gate_regs peri1_cg_regs = {
+	.set_ofs = 0x000c,
+	.clr_ofs = 0x0014,
+	.sta_ofs = 0x001c,
+};
+
+#define GATE_PERI0(_id, _name, _parent, _shift) {	\
+		.id = _id,					\
+		.name = _name,					\
+		.parent_name = _parent,				\
+		.regs = &peri0_cg_regs,				\
+		.shift = _shift,				\
+		.ops = &mtk_clk_gate_ops_setclr,		\
+	}
+
+#define GATE_PERI1(_id, _name, _parent, _shift) {	\
+		.id = _id,					\
+		.name = _name,					\
+		.parent_name = _parent,				\
+		.regs = &peri1_cg_regs,				\
+		.shift = _shift,				\
+		.ops = &mtk_clk_gate_ops_setclr,		\
+	}
+
+static const struct mtk_gate peri_gates[] __initconst = {
+	/* PERI0 */
+	GATE_PERI0(CLK_PERI_NFI, "peri_nfi", "axi_sel", 0),
+	GATE_PERI0(CLK_PERI_THERM, "peri_therm", "axi_sel", 1),
+	GATE_PERI0(CLK_PERI_PWM1, "peri_pwm1", "axi_sel", 2),
+	GATE_PERI0(CLK_PERI_PWM2, "peri_pwm2", "axi_sel", 3),
+	GATE_PERI0(CLK_PERI_PWM3, "peri_pwm3", "axi_sel", 4),
+	GATE_PERI0(CLK_PERI_PWM4, "peri_pwm4", "axi_sel", 5),
+	GATE_PERI0(CLK_PERI_PWM5, "peri_pwm5", "axi_sel", 6),
+	GATE_PERI0(CLK_PERI_PWM6, "peri_pwm6", "axi_sel", 7),
+	GATE_PERI0(CLK_PERI_PWM7, "peri_pwm7", "axi_sel", 8),
+	GATE_PERI0(CLK_PERI_PWM, "peri_pwm", "axi_sel", 9),
+	GATE_PERI0(CLK_PERI_USB0, "peri_usb0", "usb20_sel", 10),
+	GATE_PERI0(CLK_PERI_USB1, "peri_usb1", "usb20_sel", 11),
+	GATE_PERI0(CLK_PERI_AP_DMA, "peri_ap_dma", "axi_sel", 12),
+	GATE_PERI0(CLK_PERI_MSDC30_0, "peri_msdc30_0", "msdc50_0_sel", 13),
+	GATE_PERI0(CLK_PERI_MSDC30_1, "peri_msdc30_1", "msdc30_1_sel", 14),
+	GATE_PERI0(CLK_PERI_MSDC30_2, "peri_msdc30_2", "msdc30_2_sel", 15),
+	GATE_PERI0(CLK_PERI_MSDC30_3, "peri_msdc30_3", "msdc30_3_sel", 16),
+	GATE_PERI0(CLK_PERI_NLI_ARB, "peri_nli_arb", "axi_sel", 17),
+	GATE_PERI0(CLK_PERI_IRDA, "peri_irda", "irda_sel", 18),
+	GATE_PERI0(CLK_PERI_UART0, "peri_uart0", "axi_sel", 19),
+	GATE_PERI0(CLK_PERI_UART1, "peri_uart1", "axi_sel", 20),
+	GATE_PERI0(CLK_PERI_UART2, "peri_uart2", "axi_sel", 21),
+	GATE_PERI0(CLK_PERI_UART3, "peri_uart3", "axi_sel", 22),
+	GATE_PERI0(CLK_PERI_I2C0, "peri_i2c0", "axi_sel", 23),
+	GATE_PERI0(CLK_PERI_I2C1, "peri_i2c1", "axi_sel", 24),
+	GATE_PERI0(CLK_PERI_I2C2, "peri_i2c2", "axi_sel", 25),
+	GATE_PERI0(CLK_PERI_I2C3, "peri_i2c3", "axi_sel", 26),
+	GATE_PERI0(CLK_PERI_I2C4, "peri_i2c4", "axi_sel", 27),
+	GATE_PERI0(CLK_PERI_AUXADC, "peri_auxadc", "clk26m", 28),
+	GATE_PERI0(CLK_PERI_SPI0, "peri_spi0", "spi_sel", 29),
+	GATE_PERI0(CLK_PERI_I2C5, "peri_i2c5", "axi_sel", 30),
+	GATE_PERI0(CLK_PERI_NFIECC, "peri_nfiecc", "axi_sel", 31),
+	/* PERI1 */
+	GATE_PERI1(CLK_PERI_SPI, "peri_spi", "spi_sel", 0),
+	GATE_PERI1(CLK_PERI_IRRX, "peri_irrx", "spi_sel", 1),
+	GATE_PERI1(CLK_PERI_I2C6, "peri_i2c6", "axi_sel", 2),
+};
+
+static const char * const uart_ck_sel_parents[] __initconst = {
+	"clk26m",
+	"uart_sel",
+};
+
+static const struct mtk_composite peri_clks[] __initconst = {
+	MUX(CLK_PERI_UART0_SEL, "uart0_ck_sel", uart_ck_sel_parents, 0x40c, 0, 1),
+	MUX(CLK_PERI_UART1_SEL, "uart1_ck_sel", uart_ck_sel_parents, 0x40c, 1, 1),
+	MUX(CLK_PERI_UART2_SEL, "uart2_ck_sel", uart_ck_sel_parents, 0x40c, 2, 1),
+	MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1),
+};
+
+static void __init mtk_topckgen_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+	void __iomem *base;
+	int r;
+
+	base = of_iomap(node, 0);
+	if (!base) {
+		pr_err("%s(): ioremap failed\n", __func__);
+		return;
+	}
+
+	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+
+	mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data);
+	mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
+	mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base,
+			&mt8173_clk_lock, clk_data);
+
+	clk_prepare_enable(clk_data->clks[CLK_TOP_CCI400_SEL]);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+}
+CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8173-topckgen", mtk_topckgen_init);
+
+static void __init mtk_infrasys_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+
+	clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
+
+	mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks),
+						clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+
+	mtk_register_reset_controller(node, 2, 0x30);
+}
+CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8173-infracfg", mtk_infrasys_init);
+
+static void __init mtk_pericfg_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	void __iomem *base;
+
+	base = of_iomap(node, 0);
+	if (!base) {
+		pr_err("%s(): ioremap failed\n", __func__);
+		return;
+	}
+
+	clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
+
+	mtk_clk_register_gates(node, peri_gates, ARRAY_SIZE(peri_gates),
+						clk_data);
+	mtk_clk_register_composites(peri_clks, ARRAY_SIZE(peri_clks), base,
+			&mt8173_clk_lock, clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+
+	mtk_register_reset_controller(node, 2, 0);
+}
+CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8173-pericfg", mtk_pericfg_init);
+
+#define MT8173_PLL_FMAX		(3000UL * MHZ)
+
+#define CON0_MT8173_RST_BAR	BIT(24)
+
+#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, _pd_reg, _pd_shift, \
+			_tuner_reg, _pcw_reg, _pcw_shift) { \
+		.id = _id,						\
+		.name = _name,						\
+		.reg = _reg,						\
+		.pwr_reg = _pwr_reg,					\
+		.en_mask = _en_mask,					\
+		.flags = _flags,					\
+		.rst_bar_mask = CON0_MT8173_RST_BAR,			\
+		.fmax = MT8173_PLL_FMAX,				\
+		.pcwbits = _pcwbits,					\
+		.pd_reg = _pd_reg,					\
+		.pd_shift = _pd_shift,					\
+		.tuner_reg = _tuner_reg,				\
+		.pcw_reg = _pcw_reg,					\
+		.pcw_shift = _pcw_shift,				\
+	}
+
+static const struct mtk_pll_data plls[] = {
+	PLL(CLK_APMIXED_ARMCA15PLL, "armca15pll", 0x200, 0x20c, 0x00000001, 0, 21, 0x204, 24, 0x0, 0x204, 0),
+	PLL(CLK_APMIXED_ARMCA7PLL, "armca7pll", 0x210, 0x21c, 0x00000001, 0, 21, 0x214, 24, 0x0, 0x214, 0),
+	PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x220, 0x22c, 0xf0000101, HAVE_RST_BAR, 21, 0x220, 4, 0x0, 0x224, 0),
+	PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x230, 0x23c, 0xfe000001, HAVE_RST_BAR, 7, 0x230, 4, 0x0, 0x234, 14),
+	PLL(CLK_APMIXED_MMPLL, "mmpll", 0x240, 0x24c, 0x00000001, 0, 21, 0x244, 24, 0x0, 0x244, 0),
+	PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x250, 0x25c, 0x00000001, 0, 21, 0x250, 4, 0x0, 0x254, 0),
+	PLL(CLK_APMIXED_VENCPLL, "vencpll", 0x260, 0x26c, 0x00000001, 0, 21, 0x260, 4, 0x0, 0x264, 0),
+	PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x270, 0x27c, 0x00000001, 0, 21, 0x270, 4, 0x0, 0x274, 0),
+	PLL(CLK_APMIXED_MPLL, "mpll", 0x280, 0x28c, 0x00000001, 0, 21, 0x280, 4, 0x0, 0x284, 0),
+	PLL(CLK_APMIXED_VCODECPLL, "vcodecpll", 0x290, 0x29c, 0x00000001, 0, 21, 0x290, 4, 0x0, 0x294, 0),
+	PLL(CLK_APMIXED_APLL1, "apll1", 0x2a0, 0x2b0, 0x00000001, 0, 31, 0x2a0, 4, 0x2a4, 0x2a4, 0),
+	PLL(CLK_APMIXED_APLL2, "apll2", 0x2b4, 0x2c4, 0x00000001, 0, 31, 0x2b4, 4, 0x2b8, 0x2b8, 0),
+	PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x2d0, 0x2dc, 0x00000001, 0, 21, 0x2d0, 4, 0x0, 0x2d4, 0),
+	PLL(CLK_APMIXED_MSDCPLL2, "msdcpll2", 0x2f0, 0x2fc, 0x00000001, 0, 21, 0x2f0, 4, 0x0, 0x2f4, 0),
+};
+
+static void __init mtk_apmixedsys_init(struct device_node *node)
+{
+	struct clk_onecell_data *clk_data;
+
+	clk_data = mtk_alloc_clk_data(ARRAY_SIZE(plls));
+	if (!clk_data)
+		return;
+
+	mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
+
+	clk_prepare_enable(clk_data->clks[CLK_APMIXED_ARMCA15PLL]);
+}
+CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8173-apmixedsys",
+		mtk_apmixedsys_init);
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
new file mode 100644
index 0000000..18444ae
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/clkdev.h>
+#include <linux/mfd/syscon.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num)
+{
+	int i;
+	struct clk_onecell_data *clk_data;
+
+	clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL);
+	if (!clk_data)
+		return NULL;
+
+	clk_data->clks = kcalloc(clk_num, sizeof(*clk_data->clks), GFP_KERNEL);
+	if (!clk_data->clks)
+		goto err_out;
+
+	clk_data->clk_num = clk_num;
+
+	for (i = 0; i < clk_num; i++)
+		clk_data->clks[i] = ERR_PTR(-ENOENT);
+
+	return clk_data;
+err_out:
+	kfree(clk_data);
+
+	return NULL;
+}
+
+void mtk_clk_register_factors(const struct mtk_fixed_factor *clks, int num,
+		struct clk_onecell_data *clk_data)
+{
+	int i;
+	struct clk *clk;
+
+	for (i = 0; i < num; i++) {
+		const struct mtk_fixed_factor *ff = &clks[i];
+
+		clk = clk_register_fixed_factor(NULL, ff->name, ff->parent_name,
+				CLK_SET_RATE_PARENT, ff->mult, ff->div);
+
+		if (IS_ERR(clk)) {
+			pr_err("Failed to register clk %s: %ld\n",
+					ff->name, PTR_ERR(clk));
+			continue;
+		}
+
+		if (clk_data)
+			clk_data->clks[ff->id] = clk;
+	}
+}
+
+int mtk_clk_register_gates(struct device_node *node, const struct mtk_gate *clks,
+		int num, struct clk_onecell_data *clk_data)
+{
+	int i;
+	struct clk *clk;
+	struct regmap *regmap;
+
+	if (!clk_data)
+		return -ENOMEM;
+
+	regmap = syscon_node_to_regmap(node);
+	if (IS_ERR(regmap)) {
+		pr_err("Cannot find regmap for %s: %ld\n", node->full_name,
+				PTR_ERR(regmap));
+		return PTR_ERR(regmap);
+	}
+
+	for (i = 0; i < num; i++) {
+		const struct mtk_gate *gate = &clks[i];
+
+		clk = mtk_clk_register_gate(gate->name, gate->parent_name,
+				regmap,
+				gate->regs->set_ofs,
+				gate->regs->clr_ofs,
+				gate->regs->sta_ofs,
+				gate->shift, gate->ops);
+
+		if (IS_ERR(clk)) {
+			pr_err("Failed to register clk %s: %ld\n",
+					gate->name, PTR_ERR(clk));
+			continue;
+		}
+
+		clk_data->clks[gate->id] = clk;
+	}
+
+	return 0;
+}
+
+struct clk *mtk_clk_register_composite(const struct mtk_composite *mc,
+		void __iomem *base, spinlock_t *lock)
+{
+	struct clk *clk;
+	struct clk_mux *mux = NULL;
+	struct clk_gate *gate = NULL;
+	struct clk_divider *div = NULL;
+	struct clk_hw *mux_hw = NULL, *gate_hw = NULL, *div_hw = NULL;
+	const struct clk_ops *mux_ops = NULL, *gate_ops = NULL, *div_ops = NULL;
+	const char * const *parent_names;
+	const char *parent;
+	int num_parents;
+	int ret;
+
+	if (mc->mux_shift >= 0) {
+		mux = kzalloc(sizeof(*mux), GFP_KERNEL);
+		if (!mux)
+			return ERR_PTR(-ENOMEM);
+
+		mux->reg = base + mc->mux_reg;
+		mux->mask = BIT(mc->mux_width) - 1;
+		mux->shift = mc->mux_shift;
+		mux->lock = lock;
+
+		mux_hw = &mux->hw;
+		mux_ops = &clk_mux_ops;
+
+		parent_names = mc->parent_names;
+		num_parents = mc->num_parents;
+	} else {
+		parent = mc->parent;
+		parent_names = &parent;
+		num_parents = 1;
+	}
+
+	if (mc->gate_shift >= 0) {
+		gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+		if (!gate) {
+			ret = -ENOMEM;
+			goto err_out;
+		}
+
+		gate->reg = base + mc->gate_reg;
+		gate->bit_idx = mc->gate_shift;
+		gate->flags = CLK_GATE_SET_TO_DISABLE;
+		gate->lock = lock;
+
+		gate_hw = &gate->hw;
+		gate_ops = &clk_gate_ops;
+	}
+
+	if (mc->divider_shift >= 0) {
+		div = kzalloc(sizeof(*div), GFP_KERNEL);
+		if (!div) {
+			ret = -ENOMEM;
+			goto err_out;
+		}
+
+		div->reg = base + mc->divider_reg;
+		div->shift = mc->divider_shift;
+		div->width = mc->divider_width;
+		div->lock = lock;
+
+		div_hw = &div->hw;
+		div_ops = &clk_divider_ops;
+	}
+
+	clk = clk_register_composite(NULL, mc->name, parent_names, num_parents,
+		mux_hw, mux_ops,
+		div_hw, div_ops,
+		gate_hw, gate_ops,
+		mc->flags);
+
+	if (IS_ERR(clk)) {
+		kfree(gate);
+		kfree(mux);
+	}
+
+	return clk;
+err_out:
+	kfree(mux);
+
+	return ERR_PTR(ret);
+}
+
+void mtk_clk_register_composites(const struct mtk_composite *mcs,
+		int num, void __iomem *base, spinlock_t *lock,
+		struct clk_onecell_data *clk_data)
+{
+	struct clk *clk;
+	int i;
+
+	for (i = 0; i < num; i++) {
+		const struct mtk_composite *mc = &mcs[i];
+
+		clk = mtk_clk_register_composite(mc, base, lock);
+
+		if (IS_ERR(clk)) {
+			pr_err("Failed to register clk %s: %ld\n",
+					mc->name, PTR_ERR(clk));
+			continue;
+		}
+
+		if (clk_data)
+			clk_data->clks[mc->id] = clk;
+	}
+}
diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
new file mode 100644
index 0000000..9dda9d8
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __DRV_CLK_MTK_H
+#define __DRV_CLK_MTK_H
+
+#include <linux/regmap.h>
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+
+#define MAX_MUX_GATE_BIT	31
+#define INVALID_MUX_GATE_BIT	(MAX_MUX_GATE_BIT + 1)
+
+#define MHZ (1000 * 1000)
+
+struct mtk_fixed_factor {
+	int id;
+	const char *name;
+	const char *parent_name;
+	int mult;
+	int div;
+};
+
+#define FACTOR(_id, _name, _parent, _mult, _div) {	\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.mult = _mult,				\
+		.div = _div,				\
+	}
+
+extern void mtk_clk_register_factors(const struct mtk_fixed_factor *clks,
+		int num, struct clk_onecell_data *clk_data);
+
+struct mtk_composite {
+	int id;
+	const char *name;
+	const char * const *parent_names;
+	const char *parent;
+	unsigned flags;
+
+	uint32_t mux_reg;
+	uint32_t divider_reg;
+	uint32_t gate_reg;
+
+	signed char mux_shift;
+	signed char mux_width;
+	signed char gate_shift;
+
+	signed char divider_shift;
+	signed char divider_width;
+
+	signed char num_parents;
+};
+
+#define MUX_GATE(_id, _name, _parents, _reg, _shift, _width, _gate) {	\
+		.id = _id,						\
+		.name = _name,						\
+		.mux_reg = _reg,					\
+		.mux_shift = _shift,					\
+		.mux_width = _width,					\
+		.gate_reg = _reg,					\
+		.gate_shift = _gate,					\
+		.divider_shift = -1,					\
+		.parent_names = _parents,				\
+		.num_parents = ARRAY_SIZE(_parents),			\
+		.flags = CLK_SET_RATE_PARENT,				\
+	}
+
+#define MUX(_id, _name, _parents, _reg, _shift, _width) {		\
+		.id = _id,						\
+		.name = _name,						\
+		.mux_reg = _reg,					\
+		.mux_shift = _shift,					\
+		.mux_width = _width,					\
+		.gate_shift = -1,					\
+		.divider_shift = -1,					\
+		.parent_names = _parents,				\
+		.num_parents = ARRAY_SIZE(_parents),			\
+		.flags = CLK_SET_RATE_PARENT,				\
+	}
+
+#define DIV_GATE(_id, _name, _parent, _gate_reg, _gate_shift, _div_reg, _div_width, _div_shift) {	\
+		.id = _id,						\
+		.parent = _parent,					\
+		.name = _name,						\
+		.divider_reg = _div_reg,				\
+		.divider_shift = _div_shift,				\
+		.divider_width = _div_width,				\
+		.gate_reg = _gate_reg,					\
+		.gate_shift = _gate_shift,				\
+		.mux_shift = -1,					\
+		.flags = 0,						\
+	}
+
+struct clk *mtk_clk_register_composite(const struct mtk_composite *mc,
+		void __iomem *base, spinlock_t *lock);
+
+void mtk_clk_register_composites(const struct mtk_composite *mcs,
+		int num, void __iomem *base, spinlock_t *lock,
+		struct clk_onecell_data *clk_data);
+
+struct mtk_gate_regs {
+	u32 sta_ofs;
+	u32 clr_ofs;
+	u32 set_ofs;
+};
+
+struct mtk_gate {
+	int id;
+	const char *name;
+	const char *parent_name;
+	const struct mtk_gate_regs *regs;
+	int shift;
+	const struct clk_ops *ops;
+};
+
+int mtk_clk_register_gates(struct device_node *node, const struct mtk_gate *clks,
+		int num, struct clk_onecell_data *clk_data);
+
+struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num);
+
+#define HAVE_RST_BAR	BIT(0)
+
+struct mtk_pll_data {
+	int id;
+	const char *name;
+	uint32_t reg;
+	uint32_t pwr_reg;
+	uint32_t en_mask;
+	uint32_t pd_reg;
+	uint32_t tuner_reg;
+	int pd_shift;
+	unsigned int flags;
+	const struct clk_ops *ops;
+	u32 rst_bar_mask;
+	unsigned long fmax;
+	int pcwbits;
+	uint32_t pcw_reg;
+	int pcw_shift;
+};
+
+void __init mtk_clk_register_plls(struct device_node *node,
+		const struct mtk_pll_data *plls, int num_plls,
+		struct clk_onecell_data *clk_data);
+
+#ifdef CONFIG_RESET_CONTROLLER
+void mtk_register_reset_controller(struct device_node *np,
+			unsigned int num_regs, int regofs);
+#else
+static inline void mtk_register_reset_controller(struct device_node *np,
+			unsigned int num_regs, int regofs)
+{
+}
+#endif
+
+#endif /* __DRV_CLK_MTK_H */
diff --git a/drivers/clk/mediatek/clk-pll.c b/drivers/clk/mediatek/clk-pll.c
new file mode 100644
index 0000000..66154ca
--- /dev/null
+++ b/drivers/clk/mediatek/clk-pll.c
@@ -0,0 +1,332 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/clkdev.h>
+#include <linux/delay.h>
+
+#include "clk-mtk.h"
+
+#define REG_CON0		0
+#define REG_CON1		4
+
+#define CON0_BASE_EN		BIT(0)
+#define CON0_PWR_ON		BIT(0)
+#define CON0_ISO_EN		BIT(1)
+#define CON0_PCW_CHG		BIT(31)
+
+#define AUDPLL_TUNER_EN		BIT(31)
+
+#define POSTDIV_MASK		0x7
+#define INTEGER_BITS		7
+
+/*
+ * MediaTek PLLs are configured through their pcw value. The pcw value describes
+ * a divider in the PLL feedback loop which consists of 7 bits for the integer
+ * part and the remaining bits (if present) for the fractional part. Also they
+ * have a 3 bit power-of-two post divider.
+ */
+
+struct mtk_clk_pll {
+	struct clk_hw	hw;
+	void __iomem	*base_addr;
+	void __iomem	*pd_addr;
+	void __iomem	*pwr_addr;
+	void __iomem	*tuner_addr;
+	void __iomem	*pcw_addr;
+	const struct mtk_pll_data *data;
+};
+
+static inline struct mtk_clk_pll *to_mtk_clk_pll(struct clk_hw *hw)
+{
+	return container_of(hw, struct mtk_clk_pll, hw);
+}
+
+static int mtk_pll_is_prepared(struct clk_hw *hw)
+{
+	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
+
+	return (readl(pll->base_addr + REG_CON0) & CON0_BASE_EN) != 0;
+}
+
+static unsigned long __mtk_pll_recalc_rate(struct mtk_clk_pll *pll, u32 fin,
+		u32 pcw, int postdiv)
+{
+	int pcwbits = pll->data->pcwbits;
+	int pcwfbits;
+	u64 vco;
+	u8 c = 0;
+
+	/* The fractional part of the PLL divider. */
+	pcwfbits = pcwbits > INTEGER_BITS ? pcwbits - INTEGER_BITS : 0;
+
+	vco = (u64)fin * pcw;
+
+	if (pcwfbits && (vco & GENMASK(pcwfbits - 1, 0)))
+		c = 1;
+
+	vco >>= pcwfbits;
+
+	if (c)
+		vco++;
+
+	return ((unsigned long)vco + postdiv - 1) / postdiv;
+}
+
+static void mtk_pll_set_rate_regs(struct mtk_clk_pll *pll, u32 pcw,
+		int postdiv)
+{
+	u32 con1, pd, val;
+	int pll_en;
+
+	/* set postdiv */
+	pd = readl(pll->pd_addr);
+	pd &= ~(POSTDIV_MASK << pll->data->pd_shift);
+	pd |= (ffs(postdiv) - 1) << pll->data->pd_shift;
+	writel(pd, pll->pd_addr);
+
+	pll_en = readl(pll->base_addr + REG_CON0) & CON0_BASE_EN;
+
+	/* set pcw */
+	val = readl(pll->pcw_addr);
+
+	val &= ~GENMASK(pll->data->pcw_shift + pll->data->pcwbits - 1,
+			pll->data->pcw_shift);
+	val |= pcw << pll->data->pcw_shift;
+	writel(val, pll->pcw_addr);
+
+	con1 = readl(pll->base_addr + REG_CON1);
+
+	if (pll_en)
+		con1 |= CON0_PCW_CHG;
+
+	writel(con1, pll->base_addr + REG_CON1);
+	if (pll->tuner_addr)
+		writel(con1 + 1, pll->tuner_addr);
+
+	if (pll_en)
+		udelay(20);
+}
+
+/*
+ * mtk_pll_calc_values - calculate good values for a given input frequency.
+ * @pll:	The pll
+ * @pcw:	The pcw value (output)
+ * @postdiv:	The post divider (output)
+ * @freq:	The desired target frequency
+ * @fin:	The input frequency
+ *
+ */
+static void mtk_pll_calc_values(struct mtk_clk_pll *pll, u32 *pcw, u32 *postdiv,
+		u32 freq, u32 fin)
+{
+	unsigned long fmin = 1000 * MHZ;
+	u64 _pcw;
+	u32 val;
+
+	if (freq > pll->data->fmax)
+		freq = pll->data->fmax;
+
+	for (val = 0; val < 4; val++) {
+		*postdiv = 1 << val;
+		if (freq * *postdiv >= fmin)
+			break;
+	}
+
+	/* _pcw = freq * postdiv / fin * 2^pcwfbits */
+	_pcw = ((u64)freq << val) << (pll->data->pcwbits - INTEGER_BITS);
+	do_div(_pcw, fin);
+
+	*pcw = (u32)_pcw;
+}
+
+static int mtk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+		unsigned long parent_rate)
+{
+	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
+	u32 pcw = 0;
+	u32 postdiv;
+
+	mtk_pll_calc_values(pll, &pcw, &postdiv, rate, parent_rate);
+	mtk_pll_set_rate_regs(pll, pcw, postdiv);
+
+	return 0;
+}
+
+static unsigned long mtk_pll_recalc_rate(struct clk_hw *hw,
+		unsigned long parent_rate)
+{
+	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
+	u32 postdiv;
+	u32 pcw;
+
+	postdiv = (readl(pll->pd_addr) >> pll->data->pd_shift) & POSTDIV_MASK;
+	postdiv = 1 << postdiv;
+
+	pcw = readl(pll->pcw_addr) >> pll->data->pcw_shift;
+	pcw &= GENMASK(pll->data->pcwbits - 1, 0);
+
+	return __mtk_pll_recalc_rate(pll, parent_rate, pcw, postdiv);
+}
+
+static long mtk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+		unsigned long *prate)
+{
+	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
+	u32 pcw = 0;
+	int postdiv;
+
+	mtk_pll_calc_values(pll, &pcw, &postdiv, rate, *prate);
+
+	return __mtk_pll_recalc_rate(pll, *prate, pcw, postdiv);
+}
+
+static int mtk_pll_prepare(struct clk_hw *hw)
+{
+	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
+	u32 r;
+
+	r = readl(pll->pwr_addr) | CON0_PWR_ON;
+	writel(r, pll->pwr_addr);
+	udelay(1);
+
+	r = readl(pll->pwr_addr) & ~CON0_ISO_EN;
+	writel(r, pll->pwr_addr);
+	udelay(1);
+
+	r = readl(pll->base_addr + REG_CON0);
+	r |= pll->data->en_mask;
+	writel(r, pll->base_addr + REG_CON0);
+
+	if (pll->tuner_addr) {
+		r = readl(pll->tuner_addr) | AUDPLL_TUNER_EN;
+		writel(r, pll->tuner_addr);
+	}
+
+	udelay(20);
+
+	if (pll->data->flags & HAVE_RST_BAR) {
+		r = readl(pll->base_addr + REG_CON0);
+		r |= pll->data->rst_bar_mask;
+		writel(r, pll->base_addr + REG_CON0);
+	}
+
+	return 0;
+}
+
+static void mtk_pll_unprepare(struct clk_hw *hw)
+{
+	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
+	u32 r;
+
+	if (pll->data->flags & HAVE_RST_BAR) {
+		r = readl(pll->base_addr + REG_CON0);
+		r &= ~pll->data->rst_bar_mask;
+		writel(r, pll->base_addr + REG_CON0);
+	}
+
+	if (pll->tuner_addr) {
+		r = readl(pll->tuner_addr) & ~AUDPLL_TUNER_EN;
+		writel(r, pll->tuner_addr);
+	}
+
+	r = readl(pll->base_addr + REG_CON0);
+	r &= ~CON0_BASE_EN;
+	writel(r, pll->base_addr + REG_CON0);
+
+	r = readl(pll->pwr_addr) | CON0_ISO_EN;
+	writel(r, pll->pwr_addr);
+
+	r = readl(pll->pwr_addr) & ~CON0_PWR_ON;
+	writel(r, pll->pwr_addr);
+}
+
+static const struct clk_ops mtk_pll_ops = {
+	.is_prepared	= mtk_pll_is_prepared,
+	.prepare	= mtk_pll_prepare,
+	.unprepare	= mtk_pll_unprepare,
+	.recalc_rate	= mtk_pll_recalc_rate,
+	.round_rate	= mtk_pll_round_rate,
+	.set_rate	= mtk_pll_set_rate,
+};
+
+static struct clk *mtk_clk_register_pll(const struct mtk_pll_data *data,
+		void __iomem *base)
+{
+	struct mtk_clk_pll *pll;
+	struct clk_init_data init;
+	struct clk *clk;
+	const char *parent_name = "clk26m";
+
+	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
+
+	pll->base_addr = base + data->reg;
+	pll->pwr_addr = base + data->pwr_reg;
+	pll->pd_addr = base + data->pd_reg;
+	pll->pcw_addr = base + data->pcw_reg;
+	if (data->tuner_reg)
+		pll->tuner_addr = base + data->tuner_reg;
+	pll->hw.init = &init;
+	pll->data = data;
+
+	init.name = data->name;
+	init.ops = &mtk_pll_ops;
+	init.parent_names = &parent_name;
+	init.num_parents = 1;
+
+	clk = clk_register(NULL, &pll->hw);
+
+	if (IS_ERR(clk))
+		kfree(pll);
+
+	return clk;
+}
+
+void __init mtk_clk_register_plls(struct device_node *node,
+		const struct mtk_pll_data *plls, int num_plls, struct clk_onecell_data *clk_data)
+{
+	void __iomem *base;
+	int r, i;
+	struct clk *clk;
+
+	base = of_iomap(node, 0);
+	if (!base) {
+		pr_err("%s(): ioremap failed\n", __func__);
+		return;
+	}
+
+	for (i = 0; i < num_plls; i++) {
+		const struct mtk_pll_data *pll = &plls[i];
+
+		clk = mtk_clk_register_pll(pll, base);
+
+		if (IS_ERR(clk)) {
+			pr_err("Failed to register clk %s: %ld\n",
+					pll->name, PTR_ERR(clk));
+			continue;
+		}
+
+		clk_data->clks[pll->id] = clk;
+	}
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+}
diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c
new file mode 100644
index 0000000..9e9fe4b
--- /dev/null
+++ b/drivers/clk/mediatek/reset.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/reset-controller.h>
+#include <linux/slab.h>
+
+#include "clk-mtk.h"
+
+struct mtk_reset {
+	struct regmap *regmap;
+	int regofs;
+	struct reset_controller_dev rcdev;
+};
+
+static int mtk_reset_assert(struct reset_controller_dev *rcdev,
+			      unsigned long id)
+{
+	struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev);
+
+	return regmap_update_bits(data->regmap, data->regofs + ((id / 32) << 2),
+			BIT(id % 32), ~0);
+}
+
+static int mtk_reset_deassert(struct reset_controller_dev *rcdev,
+				unsigned long id)
+{
+	struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev);
+
+	return regmap_update_bits(data->regmap, data->regofs + ((id / 32) << 2),
+			BIT(id % 32), 0);
+}
+
+static int mtk_reset(struct reset_controller_dev *rcdev,
+			      unsigned long id)
+{
+	int ret;
+
+	ret = mtk_reset_assert(rcdev, id);
+	if (ret)
+		return ret;
+
+	return mtk_reset_deassert(rcdev, id);
+}
+
+static struct reset_control_ops mtk_reset_ops = {
+	.assert = mtk_reset_assert,
+	.deassert = mtk_reset_deassert,
+	.reset = mtk_reset,
+};
+
+void mtk_register_reset_controller(struct device_node *np,
+			unsigned int num_regs, int regofs)
+{
+	struct mtk_reset *data;
+	int ret;
+	struct regmap *regmap;
+
+	regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(regmap)) {
+		pr_err("Cannot find regmap for %s: %ld\n", np->full_name,
+				PTR_ERR(regmap));
+		return;
+	}
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return;
+
+	data->regmap = regmap;
+	data->regofs = regofs;
+	data->rcdev.owner = THIS_MODULE;
+	data->rcdev.nr_resets = num_regs * 32;
+	data->rcdev.ops = &mtk_reset_ops;
+	data->rcdev.of_node = np;
+
+	ret = reset_controller_register(&data->rcdev);
+	if (ret) {
+		pr_err("could not register reset controller: %d\n", ret);
+		kfree(data);
+		return;
+	}
+}
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index 556ce04..e4f9d47 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -26,7 +26,7 @@
 	apll, cpll, dpll, gpll,
 };
 
-struct rockchip_pll_rate_table rk3188_pll_rates[] = {
+static struct rockchip_pll_rate_table rk3188_pll_rates[] = {
 	RK3066_PLL_RATE(2208000000, 1, 92, 1),
 	RK3066_PLL_RATE(2184000000, 1, 91, 1),
 	RK3066_PLL_RATE(2160000000, 1, 90, 1),
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index d17eb452..4f817ed 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -27,7 +27,7 @@
 	apll, dpll, cpll, gpll, npll,
 };
 
-struct rockchip_pll_rate_table rk3288_pll_rates[] = {
+static struct rockchip_pll_rate_table rk3288_pll_rates[] = {
 	RK3066_PLL_RATE(2208000000, 1, 92, 1),
 	RK3066_PLL_RATE(2184000000, 1, 91, 1),
 	RK3066_PLL_RATE(2160000000, 1, 90, 1),
diff --git a/drivers/clk/samsung/clk-exynos5260.c b/drivers/clk/samsung/clk-exynos5260.c
index e2e5193..df1d83c 100644
--- a/drivers/clk/samsung/clk-exynos5260.c
+++ b/drivers/clk/samsung/clk-exynos5260.c
@@ -94,7 +94,7 @@
 PNAME(mout_sclk_aud_i2s_p) = {"mout_aud_pll_user", "ioclk_i2s_cdclk"};
 PNAME(mout_sclk_aud_pcm_p) = {"mout_aud_pll_user", "ioclk_pcm_extclk"};
 
-struct samsung_mux_clock aud_mux_clks[] __initdata = {
+static struct samsung_mux_clock aud_mux_clks[] __initdata = {
 	MUX(AUD_MOUT_AUD_PLL_USER, "mout_aud_pll_user", mout_aud_pll_user_p,
 			MUX_SEL_AUD, 0, 1),
 	MUX(AUD_MOUT_SCLK_AUD_I2S, "mout_sclk_aud_i2s", mout_sclk_aud_i2s_p,
@@ -103,7 +103,7 @@
 			MUX_SEL_AUD, 8, 1),
 };
 
-struct samsung_div_clock aud_div_clks[] __initdata = {
+static struct samsung_div_clock aud_div_clks[] __initdata = {
 	DIV(AUD_DOUT_ACLK_AUD_131, "dout_aclk_aud_131", "mout_aud_pll_user",
 			DIV_AUD0, 0, 4),
 
@@ -115,7 +115,7 @@
 			DIV_AUD1, 12, 4),
 };
 
-struct samsung_gate_clock aud_gate_clks[] __initdata = {
+static struct samsung_gate_clock aud_gate_clks[] __initdata = {
 	GATE(AUD_SCLK_I2S, "sclk_aud_i2s", "dout_sclk_aud_i2s",
 			EN_SCLK_AUD, 0, CLK_SET_RATE_PARENT, 0),
 	GATE(AUD_SCLK_PCM, "sclk_aud_pcm", "dout_sclk_aud_pcm",
@@ -203,7 +203,7 @@
 PNAME(mout_sclk_hdmi_spdif_p) = {"fin_pll", "ioclk_spdif_extclk",
 			"dout_aclk_peri_aud", "phyclk_hdmi_phy_ref_cko"};
 
-struct samsung_mux_clock disp_mux_clks[] __initdata = {
+static struct samsung_mux_clock disp_mux_clks[] __initdata = {
 	MUX(DISP_MOUT_ACLK_DISP_333_USER, "mout_aclk_disp_333_user",
 			mout_aclk_disp_333_user_p,
 			MUX_SEL_DISP0, 0, 1),
@@ -272,7 +272,7 @@
 			MUX_SEL_DISP4, 4, 2),
 };
 
-struct samsung_div_clock disp_div_clks[] __initdata = {
+static struct samsung_div_clock disp_div_clks[] __initdata = {
 	DIV(DISP_DOUT_PCLK_DISP_111, "dout_pclk_disp_111",
 			"mout_aclk_disp_222_user",
 			DIV_DISP, 8, 4),
@@ -285,7 +285,7 @@
 			DIV_DISP, 16, 4),
 };
 
-struct samsung_gate_clock disp_gate_clks[] __initdata = {
+static struct samsung_gate_clock disp_gate_clks[] __initdata = {
 	GATE(DISP_MOUT_HDMI_PHY_PIXEL_USER, "sclk_hdmi_link_i_pixel",
 			"mout_phyclk_hdmi_phy_pixel_clko_user",
 			EN_SCLK_DISP0, 26, CLK_SET_RATE_PARENT, 0),
@@ -363,13 +363,13 @@
 PNAME(mout_egl_b_p) = {"mout_egl_pll", "dout_bus_pll"};
 PNAME(mout_egl_pll_p) = {"fin_pll", "fout_egl_pll"};
 
-struct samsung_mux_clock egl_mux_clks[] __initdata = {
+static struct samsung_mux_clock egl_mux_clks[] __initdata = {
 	MUX(EGL_MOUT_EGL_PLL, "mout_egl_pll", mout_egl_pll_p,
 			MUX_SEL_EGL, 4, 1),
 	MUX(EGL_MOUT_EGL_B, "mout_egl_b", mout_egl_b_p, MUX_SEL_EGL, 16, 1),
 };
 
-struct samsung_div_clock egl_div_clks[] __initdata = {
+static struct samsung_div_clock egl_div_clks[] __initdata = {
 	DIV(EGL_DOUT_EGL1, "dout_egl1", "mout_egl_b", DIV_EGL, 0, 3),
 	DIV(EGL_DOUT_EGL2, "dout_egl2", "dout_egl1", DIV_EGL, 4, 3),
 	DIV(EGL_DOUT_ACLK_EGL, "dout_aclk_egl", "dout_egl2", DIV_EGL, 8, 3),
@@ -433,7 +433,7 @@
 PNAME(mout_phyclk_usbdrd30_phyclock_user_p) = {"fin_pll",
 			"phyclk_usbdrd30_udrd30_phyclock"};
 
-struct samsung_mux_clock fsys_mux_clks[] __initdata = {
+static struct samsung_mux_clock fsys_mux_clks[] __initdata = {
 	MUX(FSYS_MOUT_PHYCLK_USBDRD30_PHYCLOCK_USER,
 			"mout_phyclk_usbdrd30_phyclock_user",
 			mout_phyclk_usbdrd30_phyclock_user_p,
@@ -456,7 +456,7 @@
 			MUX_SEL_FSYS1, 16, 1),
 };
 
-struct samsung_gate_clock fsys_gate_clks[] __initdata = {
+static struct samsung_gate_clock fsys_gate_clks[] __initdata = {
 	GATE(FSYS_PHYCLK_USBHOST20, "phyclk_usbhost20_phyclock",
 			"mout_phyclk_usbdrd30_phyclock_user",
 			EN_SCLK_FSYS, 1, 0, 0),
@@ -537,18 +537,18 @@
 
 PNAME(mout_aclk_g2d_333_user_p) = {"fin_pll", "dout_aclk_g2d_333"};
 
-struct samsung_mux_clock g2d_mux_clks[] __initdata = {
+static struct samsung_mux_clock g2d_mux_clks[] __initdata = {
 	MUX(G2D_MOUT_ACLK_G2D_333_USER, "mout_aclk_g2d_333_user",
 			mout_aclk_g2d_333_user_p,
 			MUX_SEL_G2D, 0, 1),
 };
 
-struct samsung_div_clock g2d_div_clks[] __initdata = {
+static struct samsung_div_clock g2d_div_clks[] __initdata = {
 	DIV(G2D_DOUT_PCLK_G2D_83, "dout_pclk_g2d_83", "mout_aclk_g2d_333_user",
 			DIV_G2D, 0, 3),
 };
 
-struct samsung_gate_clock g2d_gate_clks[] __initdata = {
+static struct samsung_gate_clock g2d_gate_clks[] __initdata = {
 	GATE(G2D_CLK_G2D, "clk_g2d", "mout_aclk_g2d_333_user",
 			EN_IP_G2D, 4, 0, 0),
 	GATE(G2D_CLK_JPEG, "clk_jpeg", "mout_aclk_g2d_333_user",
@@ -617,17 +617,17 @@
 
 PNAME(mout_g3d_pll_p) = {"fin_pll", "fout_g3d_pll"};
 
-struct samsung_mux_clock g3d_mux_clks[] __initdata = {
+static struct samsung_mux_clock g3d_mux_clks[] __initdata = {
 	MUX(G3D_MOUT_G3D_PLL, "mout_g3d_pll", mout_g3d_pll_p,
 			MUX_SEL_G3D, 0, 1),
 };
 
-struct samsung_div_clock g3d_div_clks[] __initdata = {
+static struct samsung_div_clock g3d_div_clks[] __initdata = {
 	DIV(G3D_DOUT_PCLK_G3D, "dout_pclk_g3d", "dout_aclk_g3d", DIV_G3D, 0, 3),
 	DIV(G3D_DOUT_ACLK_G3D, "dout_aclk_g3d", "mout_g3d_pll", DIV_G3D, 4, 3),
 };
 
-struct samsung_gate_clock g3d_gate_clks[] __initdata = {
+static struct samsung_gate_clock g3d_gate_clks[] __initdata = {
 	GATE(G3D_CLK_G3D, "clk_g3d", "dout_aclk_g3d", EN_IP_G3D, 2, 0, 0),
 	GATE(G3D_CLK_G3D_HPM, "clk_g3d_hpm", "dout_aclk_g3d",
 			EN_IP_G3D, 3, 0, 0),
@@ -694,7 +694,7 @@
 PNAME(mout_aclk_gscl_fimc_user_p) = {"fin_pll", "dout_aclk_gscl_400"};
 PNAME(mout_aclk_csis_p) = {"dout_aclk_csis_200", "mout_aclk_gscl_fimc_user"};
 
-struct samsung_mux_clock gscl_mux_clks[] __initdata = {
+static struct samsung_mux_clock gscl_mux_clks[] __initdata = {
 	MUX(GSCL_MOUT_ACLK_GSCL_333_USER, "mout_aclk_gscl_333_user",
 			mout_aclk_gscl_333_user_p,
 			MUX_SEL_GSCL, 0, 1),
@@ -708,7 +708,7 @@
 			MUX_SEL_GSCL, 24, 1),
 };
 
-struct samsung_div_clock gscl_div_clks[] __initdata = {
+static struct samsung_div_clock gscl_div_clks[] __initdata = {
 	DIV(GSCL_DOUT_PCLK_M2M_100, "dout_pclk_m2m_100",
 			"mout_aclk_m2m_400_user",
 			DIV_GSCL, 0, 3),
@@ -717,7 +717,7 @@
 			DIV_GSCL, 4, 3),
 };
 
-struct samsung_gate_clock gscl_gate_clks[] __initdata = {
+static struct samsung_gate_clock gscl_gate_clks[] __initdata = {
 	GATE(GSCL_SCLK_CSIS0_WRAP, "sclk_csis0_wrap", "dout_aclk_csis_200",
 			EN_SCLK_GSCL_FIMC, 0, CLK_SET_RATE_PARENT, 0),
 	GATE(GSCL_SCLK_CSIS1_WRAP, "sclk_csis1_wrap", "dout_aclk_csis_200",
@@ -813,14 +813,14 @@
 PNAME(mout_isp_400_user_p) = {"fin_pll", "dout_aclk_isp1_400"};
 PNAME(mout_isp_266_user_p)	 = {"fin_pll", "dout_aclk_isp1_266"};
 
-struct samsung_mux_clock isp_mux_clks[] __initdata = {
+static struct samsung_mux_clock isp_mux_clks[] __initdata = {
 	MUX(ISP_MOUT_ISP_266_USER, "mout_isp_266_user", mout_isp_266_user_p,
 			MUX_SEL_ISP0, 0, 1),
 	MUX(ISP_MOUT_ISP_400_USER, "mout_isp_400_user", mout_isp_400_user_p,
 			MUX_SEL_ISP0, 4, 1),
 };
 
-struct samsung_div_clock isp_div_clks[] __initdata = {
+static struct samsung_div_clock isp_div_clks[] __initdata = {
 	DIV(ISP_DOUT_PCLK_ISP_66, "dout_pclk_isp_66", "mout_kfc",
 			DIV_ISP, 0, 3),
 	DIV(ISP_DOUT_PCLK_ISP_133, "dout_pclk_isp_133", "mout_kfc",
@@ -832,7 +832,7 @@
 	DIV(ISP_DOUT_SCLK_MPWM, "dout_sclk_mpwm", "mout_kfc", DIV_ISP, 20, 2),
 };
 
-struct samsung_gate_clock isp_gate_clks[] __initdata = {
+static struct samsung_gate_clock isp_gate_clks[] __initdata = {
 	GATE(ISP_CLK_GIC, "clk_isp_gic", "mout_aclk_isp1_266",
 			EN_IP_ISP0, 15, 0, 0),
 
@@ -934,13 +934,13 @@
 PNAME(mout_kfc_pll_p) = {"fin_pll", "fout_kfc_pll"};
 PNAME(mout_kfc_p)	 = {"mout_kfc_pll", "dout_media_pll"};
 
-struct samsung_mux_clock kfc_mux_clks[] __initdata = {
+static struct samsung_mux_clock kfc_mux_clks[] __initdata = {
 	MUX(KFC_MOUT_KFC_PLL, "mout_kfc_pll", mout_kfc_pll_p,
 			MUX_SEL_KFC0, 0, 1),
 	MUX(KFC_MOUT_KFC, "mout_kfc", mout_kfc_p, MUX_SEL_KFC2, 0, 1),
 };
 
-struct samsung_div_clock kfc_div_clks[] __initdata = {
+static struct samsung_div_clock kfc_div_clks[] __initdata = {
 	DIV(KFC_DOUT_KFC1, "dout_kfc1", "mout_kfc", DIV_KFC, 0, 3),
 	DIV(KFC_DOUT_KFC2, "dout_kfc2", "dout_kfc1", DIV_KFC, 4, 3),
 	DIV(KFC_DOUT_KFC_ATCLK, "dout_kfc_atclk", "dout_kfc2", DIV_KFC, 8, 3),
@@ -993,18 +993,18 @@
 
 PNAME(mout_aclk_mfc_333_user_p) = {"fin_pll", "dout_aclk_mfc_333"};
 
-struct samsung_mux_clock mfc_mux_clks[] __initdata = {
+static struct samsung_mux_clock mfc_mux_clks[] __initdata = {
 	MUX(MFC_MOUT_ACLK_MFC_333_USER, "mout_aclk_mfc_333_user",
 			mout_aclk_mfc_333_user_p,
 			MUX_SEL_MFC, 0, 1),
 };
 
-struct samsung_div_clock mfc_div_clks[] __initdata = {
+static struct samsung_div_clock mfc_div_clks[] __initdata = {
 	DIV(MFC_DOUT_PCLK_MFC_83, "dout_pclk_mfc_83", "mout_aclk_mfc_333_user",
 			DIV_MFC, 0, 3),
 };
 
-struct samsung_gate_clock mfc_gate_clks[] __initdata = {
+static struct samsung_gate_clock mfc_gate_clks[] __initdata = {
 	GATE(MFC_CLK_MFC, "clk_mfc", "mout_aclk_mfc_333_user",
 			EN_IP_MFC, 1, 0, 0),
 	GATE(MFC_CLK_SMMU2_MFCM0, "clk_smmu2_mfcm0", "mout_aclk_mfc_333_user",
@@ -1078,7 +1078,7 @@
 PNAME(mout_clkm_phy_p) = {"mout_mif_drex", "dout_media_pll"};
 PNAME(mout_clk2x_phy_p) = {"mout_mif_drex2x", "dout_media_pll"};
 
-struct samsung_mux_clock mif_mux_clks[] __initdata = {
+static struct samsung_mux_clock mif_mux_clks[] __initdata = {
 	MUX(MIF_MOUT_MEM_PLL, "mout_mem_pll", mout_mem_pll_p,
 			MUX_SEL_MIF, 0, 1),
 	MUX(MIF_MOUT_BUS_PLL, "mout_bus_pll", mout_bus_pll_p,
@@ -1095,7 +1095,7 @@
 			MUX_SEL_MIF, 24, 1),
 };
 
-struct samsung_div_clock mif_div_clks[] __initdata = {
+static struct samsung_div_clock mif_div_clks[] __initdata = {
 	DIV(MIF_DOUT_MEDIA_PLL, "dout_media_pll", "mout_media_pll",
 			DIV_MIF, 0, 3),
 	DIV(MIF_DOUT_MEM_PLL, "dout_mem_pll", "mout_mem_pll",
@@ -1114,7 +1114,7 @@
 			DIV_MIF, 28, 4),
 };
 
-struct samsung_gate_clock mif_gate_clks[] __initdata = {
+static struct samsung_gate_clock mif_gate_clks[] __initdata = {
 	GATE(MIF_CLK_LPDDR3PHY_WRAP0, "clk_lpddr3phy_wrap0", "dout_clk2x_phy",
 			EN_IP_MIF, 12, CLK_IGNORE_UNUSED, 0),
 	GATE(MIF_CLK_LPDDR3PHY_WRAP1, "clk_lpddr3phy_wrap1", "dout_clk2x_phy",
@@ -1221,7 +1221,7 @@
 PNAME(mout_sclk_spdif_p) = {"ioclk_spdif_extclk", "fin_pll",
 			"dout_aclk_peri_aud", "phyclk_hdmi_phy_ref_cko"};
 
-struct samsung_mux_clock peri_mux_clks[] __initdata = {
+static struct samsung_mux_clock peri_mux_clks[] __initdata = {
 	MUX(PERI_MOUT_SCLK_PCM, "mout_sclk_pcm", mout_sclk_pcm_p,
 			MUX_SEL_PERI1, 4, 2),
 	MUX(PERI_MOUT_SCLK_I2SCOD, "mout_sclk_i2scod", mout_sclk_i2scod_p,
@@ -1230,12 +1230,12 @@
 			MUX_SEL_PERI1, 20, 2),
 };
 
-struct samsung_div_clock peri_div_clks[] __initdata = {
+static struct samsung_div_clock peri_div_clks[] __initdata = {
 	DIV(PERI_DOUT_PCM, "dout_pcm", "mout_sclk_pcm", DIV_PERI, 0, 8),
 	DIV(PERI_DOUT_I2S, "dout_i2s", "mout_sclk_i2scod", DIV_PERI, 8, 6),
 };
 
-struct samsung_gate_clock peri_gate_clks[] __initdata = {
+static struct samsung_gate_clock peri_gate_clks[] __initdata = {
 	GATE(PERI_SCLK_PCM1, "sclk_pcm1", "dout_pcm", EN_SCLK_PERI, 0,
 			CLK_SET_RATE_PARENT, 0),
 	GATE(PERI_SCLK_I2S, "sclk_i2s", "dout_i2s", EN_SCLK_PERI, 1,
@@ -1432,7 +1432,7 @@
 };
 
 /* fixed rate clocks generated inside the soc */
-struct samsung_fixed_rate_clock fixed_rate_clks[] __initdata = {
+static struct samsung_fixed_rate_clock fixed_rate_clks[] __initdata = {
 	FRATE(PHYCLK_DPTX_PHY_CH3_TXD_CLK, "phyclk_dptx_phy_ch3_txd_clk", NULL,
 			CLK_IS_ROOT, 270000000),
 	FRATE(PHYCLK_DPTX_PHY_CH2_TXD_CLK, "phyclk_dptx_phy_ch2_txd_clk", NULL,
@@ -1519,7 +1519,7 @@
 PNAME(mout_sclk_fsys_mmc2_sdclkin_b_p) = {"mout_sclk_fsys_mmc2_sdclkin_a",
 			"mout_mediatop_pll_user"};
 
-struct samsung_mux_clock top_mux_clks[] __initdata = {
+static struct samsung_mux_clock top_mux_clks[] __initdata = {
 	MUX(TOP_MOUT_MEDIATOP_PLL_USER, "mout_mediatop_pll_user",
 			mout_mediatop_pll_user_p,
 			MUX_SEL_TOP_PLL0, 0, 1),
@@ -1679,7 +1679,7 @@
 			MUX_SEL_TOP_GSCL, 20, 1),
 };
 
-struct samsung_div_clock top_div_clks[] __initdata = {
+static struct samsung_div_clock top_div_clks[] __initdata = {
 	DIV(TOP_DOUT_ACLK_G2D_333, "dout_aclk_g2d_333", "mout_aclk_g2d_333",
 			DIV_TOP_G2D_MFC, 0, 3),
 	DIV(TOP_DOUT_ACLK_MFC_333, "dout_aclk_mfc_333", "mout_aclk_mfc_333",
@@ -1800,7 +1800,7 @@
 
 };
 
-struct samsung_gate_clock top_gate_clks[] __initdata = {
+static struct samsung_gate_clock top_gate_clks[] __initdata = {
 	GATE(TOP_SCLK_MMC0, "sclk_fsys_mmc0_sdclkin",
 			"dout_sclk_fsys_mmc0_sdclkin_b",
 			EN_SCLK_TOP, 7, CLK_SET_RATE_PARENT, 0),
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 07d666c..af99790 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -503,7 +503,7 @@
 	FFACTOR(0, "ff_dout_spll2", "mout_sclk_spll", 1, 2, 0),
 };
 
-struct samsung_mux_clock exynos5800_mux_clks[] __initdata = {
+static struct samsung_mux_clock exynos5800_mux_clks[] __initdata = {
 	MUX(0, "mout_aclk400_isp", mout_group3_5800_p, SRC_TOP0, 0, 3),
 	MUX(0, "mout_aclk400_mscl", mout_group3_5800_p, SRC_TOP0, 4, 3),
 	MUX(0, "mout_aclk400_wcore", mout_group2_5800_p, SRC_TOP0, 16, 3),
@@ -552,7 +552,7 @@
 	MUX(0, "mout_fimd1", mout_group2_p, SRC_DISP10, 4, 3),
 };
 
-struct samsung_div_clock exynos5800_div_clks[] __initdata = {
+static struct samsung_div_clock exynos5800_div_clks[] __initdata = {
 	DIV(0, "dout_aclk400_wcore", "mout_aclk400_wcore", DIV_TOP0, 16, 3),
 
 	DIV(0, "dout_aclk550_cam", "mout_aclk550_cam",
@@ -568,14 +568,14 @@
 	DIV(0, "dout_sclk_sw", "sclk_spll", DIV_TOP9, 24, 6),
 };
 
-struct samsung_gate_clock exynos5800_gate_clks[] __initdata = {
+static struct samsung_gate_clock exynos5800_gate_clks[] __initdata = {
 	GATE(CLK_ACLK550_CAM, "aclk550_cam", "mout_user_aclk550_cam",
 				GATE_BUS_TOP, 24, 0, 0),
 	GATE(CLK_ACLK432_SCALER, "aclk432_scaler", "mout_user_aclk432_scaler",
 				GATE_BUS_TOP, 27, 0, 0),
 };
 
-struct samsung_mux_clock exynos5420_mux_clks[] __initdata = {
+static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = {
 	MUX(0, "sclk_bpll", mout_bpll_p, TOP_SPARE2, 0, 1),
 	MUX(0, "mout_aclk400_wcore_bpll", mout_aclk400_wcore_bpll_p,
 				TOP_SPARE2, 4, 1),
@@ -605,7 +605,7 @@
 	MUX(0, "mout_fimd1", mout_group3_p, SRC_DISP10, 4, 1),
 };
 
-struct samsung_div_clock exynos5420_div_clks[] __initdata = {
+static struct samsung_div_clock exynos5420_div_clks[] __initdata = {
 	DIV(0, "dout_aclk400_wcore", "mout_aclk400_wcore_bpll",
 			DIV_TOP0, 16, 3),
 };
diff --git a/drivers/clk/samsung/clk-s3c2410-dclk.c b/drivers/clk/samsung/clk-s3c2410-dclk.c
index f4f29ed6..e56df50 100644
--- a/drivers/clk/samsung/clk-s3c2410-dclk.c
+++ b/drivers/clk/samsung/clk-s3c2410-dclk.c
@@ -81,13 +81,13 @@
 	return ret;
 }
 
-const struct clk_ops s3c24xx_clkout_ops = {
+static const struct clk_ops s3c24xx_clkout_ops = {
 	.get_parent = s3c24xx_clkout_get_parent,
 	.set_parent = s3c24xx_clkout_set_parent,
 	.determine_rate = __clk_mux_determine_rate,
 };
 
-struct clk *s3c24xx_register_clkout(struct device *dev, const char *name,
+static struct clk *s3c24xx_register_clkout(struct device *dev, const char *name,
 		const char **parent_names, u8 num_parents,
 		u8 shift, u32 mask)
 {
@@ -404,7 +404,7 @@
 	},
 };
 
-static struct platform_device_id s3c24xx_dclk_driver_ids[] = {
+static const struct platform_device_id s3c24xx_dclk_driver_ids[] = {
 	{
 		.name		= "s3c2410-dclk",
 		.driver_data	= (kernel_ulong_t)&dclk_variants[S3C2410],
diff --git a/drivers/clk/sirf/clk-common.c b/drivers/clk/sirf/clk-common.c
index 37af51c..e9cf573 100644
--- a/drivers/clk/sirf/clk-common.c
+++ b/drivers/clk/sirf/clk-common.c
@@ -188,7 +188,7 @@
 	.set_rate = pll_clk_set_rate,
 };
 
-static const char *pll_clk_parents[] = {
+static const char * const pll_clk_parents[] = {
 	"osc",
 };
 
@@ -284,7 +284,7 @@
  * clock domains - cpu, mem, sys/io, dsp, gfx
  */
 
-static const char *dmn_clk_parents[] = {
+static const char * const dmn_clk_parents[] = {
 	"rtc",
 	"osc",
 	"pll1",
@@ -673,7 +673,7 @@
 	clkc_writel(val, reg);
 }
 
-static const char *std_clk_io_parents[] = {
+static const char * const std_clk_io_parents[] = {
 	"io",
 };
 
@@ -949,7 +949,7 @@
 	},
 };
 
-static const char *std_clk_dsp_parents[] = {
+static const char * const std_clk_dsp_parents[] = {
 	"dsp",
 };
 
@@ -981,7 +981,7 @@
 	},
 };
 
-static const char *std_clk_sys_parents[] = {
+static const char * const std_clk_sys_parents[] = {
 	"sys",
 };
 
@@ -999,7 +999,7 @@
 	},
 };
 
-static const char *std_clk_usb_parents[] = {
+static const char * const std_clk_usb_parents[] = {
 	"usb_pll",
 };
 
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index 80069c3..4626b97 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -116,11 +116,12 @@
 	clk_register_clkdev(clk, NULL, "hdmi");
 	clk_register_clkdev(clk, "hdmi", "mcde");
 
-	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
+	clk = clk_reg_prcmu_scalable("apeatclk", NULL, PRCMU_APEATCLK, 0,
+				     CLK_IS_ROOT|CLK_SET_RATE_GATE);
 	clk_register_clkdev(clk, NULL, "apeat");
 
-	clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
-				CLK_IS_ROOT);
+	clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
+				CLK_IS_ROOT|CLK_SET_RATE_GATE);
 	clk_register_clkdev(clk, NULL, "apetrace");
 
 	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c
index 7b55ef8..e319ef9 100644
--- a/drivers/clk/ux500/u8500_of_clk.c
+++ b/drivers/clk/ux500/u8500_of_clk.c
@@ -166,8 +166,8 @@
 	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
 	prcmu_clk[PRCMU_APEATCLK] = clk;
 
-	clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
-				CLK_IS_ROOT);
+	clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
+				CLK_IS_ROOT|CLK_SET_RATE_GATE);
 	prcmu_clk[PRCMU_APETRACECLK] = clk;
 
 	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
diff --git a/include/dt-bindings/clock/mt8135-clk.h b/include/dt-bindings/clock/mt8135-clk.h
new file mode 100644
index 0000000..6dac6c0
--- /dev/null
+++ b/include/dt-bindings/clock/mt8135-clk.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_CLK_MT8135_H
+#define _DT_BINDINGS_CLK_MT8135_H
+
+/* TOPCKGEN */
+
+#define CLK_TOP_DSI0_LNTC_DSICLK	1
+#define CLK_TOP_HDMITX_CLKDIG_CTS	2
+#define CLK_TOP_CLKPH_MCK		3
+#define CLK_TOP_CPUM_TCK_IN		4
+#define CLK_TOP_MAINPLL_806M		5
+#define CLK_TOP_MAINPLL_537P3M		6
+#define CLK_TOP_MAINPLL_322P4M		7
+#define CLK_TOP_MAINPLL_230P3M		8
+#define CLK_TOP_UNIVPLL_624M		9
+#define CLK_TOP_UNIVPLL_416M		10
+#define CLK_TOP_UNIVPLL_249P6M		11
+#define CLK_TOP_UNIVPLL_178P3M		12
+#define CLK_TOP_UNIVPLL_48M		13
+#define CLK_TOP_MMPLL_D2		14
+#define CLK_TOP_MMPLL_D3		15
+#define CLK_TOP_MMPLL_D5		16
+#define CLK_TOP_MMPLL_D7		17
+#define CLK_TOP_MMPLL_D4		18
+#define CLK_TOP_MMPLL_D6		19
+#define CLK_TOP_SYSPLL_D2		20
+#define CLK_TOP_SYSPLL_D4		21
+#define CLK_TOP_SYSPLL_D6		22
+#define CLK_TOP_SYSPLL_D8		23
+#define CLK_TOP_SYSPLL_D10		24
+#define CLK_TOP_SYSPLL_D12		25
+#define CLK_TOP_SYSPLL_D16		26
+#define CLK_TOP_SYSPLL_D24		27
+#define CLK_TOP_SYSPLL_D3		28
+#define CLK_TOP_SYSPLL_D2P5		29
+#define CLK_TOP_SYSPLL_D5		30
+#define CLK_TOP_SYSPLL_D3P5		31
+#define CLK_TOP_UNIVPLL1_D2		32
+#define CLK_TOP_UNIVPLL1_D4		33
+#define CLK_TOP_UNIVPLL1_D6		34
+#define CLK_TOP_UNIVPLL1_D8		35
+#define CLK_TOP_UNIVPLL1_D10		36
+#define CLK_TOP_UNIVPLL2_D2		37
+#define CLK_TOP_UNIVPLL2_D4		38
+#define CLK_TOP_UNIVPLL2_D6		39
+#define CLK_TOP_UNIVPLL2_D8		40
+#define CLK_TOP_UNIVPLL_D3		41
+#define CLK_TOP_UNIVPLL_D5		42
+#define CLK_TOP_UNIVPLL_D7		43
+#define CLK_TOP_UNIVPLL_D10		44
+#define CLK_TOP_UNIVPLL_D26		45
+#define CLK_TOP_APLL			46
+#define CLK_TOP_APLL_D4			47
+#define CLK_TOP_APLL_D8			48
+#define CLK_TOP_APLL_D16		49
+#define CLK_TOP_APLL_D24		50
+#define CLK_TOP_LVDSPLL_D2		51
+#define CLK_TOP_LVDSPLL_D4		52
+#define CLK_TOP_LVDSPLL_D8		53
+#define CLK_TOP_LVDSTX_CLKDIG_CT	54
+#define CLK_TOP_VPLL_DPIX		55
+#define CLK_TOP_TVHDMI_H		56
+#define CLK_TOP_HDMITX_CLKDIG_D2	57
+#define CLK_TOP_HDMITX_CLKDIG_D3	58
+#define CLK_TOP_TVHDMI_D2		59
+#define CLK_TOP_TVHDMI_D4		60
+#define CLK_TOP_MEMPLL_MCK_D4		61
+#define CLK_TOP_AXI_SEL			62
+#define CLK_TOP_SMI_SEL			63
+#define CLK_TOP_MFG_SEL			64
+#define CLK_TOP_IRDA_SEL		65
+#define CLK_TOP_CAM_SEL			66
+#define CLK_TOP_AUD_INTBUS_SEL		67
+#define CLK_TOP_JPG_SEL			68
+#define CLK_TOP_DISP_SEL		69
+#define CLK_TOP_MSDC30_1_SEL		70
+#define CLK_TOP_MSDC30_2_SEL		71
+#define CLK_TOP_MSDC30_3_SEL		72
+#define CLK_TOP_MSDC30_4_SEL		73
+#define CLK_TOP_USB20_SEL		74
+#define CLK_TOP_VENC_SEL		75
+#define CLK_TOP_SPI_SEL			76
+#define CLK_TOP_UART_SEL		77
+#define CLK_TOP_MEM_SEL			78
+#define CLK_TOP_CAMTG_SEL		79
+#define CLK_TOP_AUDIO_SEL		80
+#define CLK_TOP_FIX_SEL			81
+#define CLK_TOP_VDEC_SEL		82
+#define CLK_TOP_DDRPHYCFG_SEL		83
+#define CLK_TOP_DPILVDS_SEL		84
+#define CLK_TOP_PMICSPI_SEL		85
+#define CLK_TOP_MSDC30_0_SEL		86
+#define CLK_TOP_SMI_MFG_AS_SEL		87
+#define CLK_TOP_GCPU_SEL		88
+#define CLK_TOP_DPI1_SEL		89
+#define CLK_TOP_CCI_SEL			90
+#define CLK_TOP_APLL_SEL		91
+#define CLK_TOP_HDMIPLL_SEL		92
+#define CLK_TOP_NR_CLK			93
+
+/* APMIXED_SYS */
+
+#define CLK_APMIXED_ARMPLL1		1
+#define CLK_APMIXED_ARMPLL2		2
+#define CLK_APMIXED_MAINPLL		3
+#define CLK_APMIXED_UNIVPLL		4
+#define CLK_APMIXED_MMPLL		5
+#define CLK_APMIXED_MSDCPLL		6
+#define CLK_APMIXED_TVDPLL		7
+#define CLK_APMIXED_LVDSPLL		8
+#define CLK_APMIXED_AUDPLL		9
+#define CLK_APMIXED_VDECPLL		10
+#define CLK_APMIXED_NR_CLK		11
+
+/* INFRA_SYS */
+
+#define CLK_INFRA_PMIC_WRAP		1
+#define CLK_INFRA_PMICSPI		2
+#define CLK_INFRA_CCIF1_AP_CTRL		3
+#define CLK_INFRA_CCIF0_AP_CTRL		4
+#define CLK_INFRA_KP			5
+#define CLK_INFRA_CPUM			6
+#define CLK_INFRA_M4U			7
+#define CLK_INFRA_MFGAXI		8
+#define CLK_INFRA_DEVAPC		9
+#define CLK_INFRA_AUDIO			10
+#define CLK_INFRA_MFG_BUS		11
+#define CLK_INFRA_SMI			12
+#define CLK_INFRA_DBGCLK		13
+#define CLK_INFRA_NR_CLK		14
+
+/* PERI_SYS */
+
+#define CLK_PERI_I2C5			1
+#define CLK_PERI_I2C4			2
+#define CLK_PERI_I2C3			3
+#define CLK_PERI_I2C2			4
+#define CLK_PERI_I2C1			5
+#define CLK_PERI_I2C0			6
+#define CLK_PERI_UART3			7
+#define CLK_PERI_UART2			8
+#define CLK_PERI_UART1			9
+#define CLK_PERI_UART0			10
+#define CLK_PERI_IRDA			11
+#define CLK_PERI_NLI			12
+#define CLK_PERI_MD_HIF			13
+#define CLK_PERI_AP_HIF			14
+#define CLK_PERI_MSDC30_3		15
+#define CLK_PERI_MSDC30_2		16
+#define CLK_PERI_MSDC30_1		17
+#define CLK_PERI_MSDC20_2		18
+#define CLK_PERI_MSDC20_1		19
+#define CLK_PERI_AP_DMA			20
+#define CLK_PERI_USB1			21
+#define CLK_PERI_USB0			22
+#define CLK_PERI_PWM			23
+#define CLK_PERI_PWM7			24
+#define CLK_PERI_PWM6			25
+#define CLK_PERI_PWM5			26
+#define CLK_PERI_PWM4			27
+#define CLK_PERI_PWM3			28
+#define CLK_PERI_PWM2			29
+#define CLK_PERI_PWM1			30
+#define CLK_PERI_THERM			31
+#define CLK_PERI_NFI			32
+#define CLK_PERI_USBSLV			33
+#define CLK_PERI_USB1_MCU		34
+#define CLK_PERI_USB0_MCU		35
+#define CLK_PERI_GCPU			36
+#define CLK_PERI_FHCTL			37
+#define CLK_PERI_SPI1			38
+#define CLK_PERI_AUXADC			39
+#define CLK_PERI_PERI_PWRAP		40
+#define CLK_PERI_I2C6			41
+#define CLK_PERI_UART0_SEL		42
+#define CLK_PERI_UART1_SEL		43
+#define CLK_PERI_UART2_SEL		44
+#define CLK_PERI_UART3_SEL		45
+#define CLK_PERI_NR_CLK			46
+
+#endif /* _DT_BINDINGS_CLK_MT8135_H */
diff --git a/include/dt-bindings/clock/mt8173-clk.h b/include/dt-bindings/clock/mt8173-clk.h
new file mode 100644
index 0000000..4ad76ed
--- /dev/null
+++ b/include/dt-bindings/clock/mt8173-clk.h
@@ -0,0 +1,235 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_CLK_MT8173_H
+#define _DT_BINDINGS_CLK_MT8173_H
+
+/* TOPCKGEN */
+
+#define CLK_TOP_CLKPH_MCK_O		1
+#define CLK_TOP_DPI			2
+#define CLK_TOP_USB_SYSPLL_125M		3
+#define CLK_TOP_HDMITX_DIG_CTS		4
+#define CLK_TOP_ARMCA7PLL_754M		5
+#define CLK_TOP_ARMCA7PLL_502M		6
+#define CLK_TOP_MAIN_H546M		7
+#define CLK_TOP_MAIN_H364M		8
+#define CLK_TOP_MAIN_H218P4M		9
+#define CLK_TOP_MAIN_H156M		10
+#define CLK_TOP_TVDPLL_445P5M		11
+#define CLK_TOP_TVDPLL_594M		12
+#define CLK_TOP_UNIV_624M		13
+#define CLK_TOP_UNIV_416M		14
+#define CLK_TOP_UNIV_249P6M		15
+#define CLK_TOP_UNIV_178P3M		16
+#define CLK_TOP_UNIV_48M		17
+#define CLK_TOP_CLKRTC_EXT		18
+#define CLK_TOP_CLKRTC_INT		19
+#define CLK_TOP_FPC			20
+#define CLK_TOP_HDMITXPLL_D2		21
+#define CLK_TOP_HDMITXPLL_D3		22
+#define CLK_TOP_ARMCA7PLL_D2		23
+#define CLK_TOP_ARMCA7PLL_D3		24
+#define CLK_TOP_APLL1			25
+#define CLK_TOP_APLL2			26
+#define CLK_TOP_DMPLL			27
+#define CLK_TOP_DMPLL_D2		28
+#define CLK_TOP_DMPLL_D4		29
+#define CLK_TOP_DMPLL_D8		30
+#define CLK_TOP_DMPLL_D16		31
+#define CLK_TOP_LVDSPLL_D2		32
+#define CLK_TOP_LVDSPLL_D4		33
+#define CLK_TOP_LVDSPLL_D8		34
+#define CLK_TOP_MMPLL			35
+#define CLK_TOP_MMPLL_D2		36
+#define CLK_TOP_MSDCPLL			37
+#define CLK_TOP_MSDCPLL_D2		38
+#define CLK_TOP_MSDCPLL_D4		39
+#define CLK_TOP_MSDCPLL2		40
+#define CLK_TOP_MSDCPLL2_D2		41
+#define CLK_TOP_MSDCPLL2_D4		42
+#define CLK_TOP_SYSPLL_D2		43
+#define CLK_TOP_SYSPLL1_D2		44
+#define CLK_TOP_SYSPLL1_D4		45
+#define CLK_TOP_SYSPLL1_D8		46
+#define CLK_TOP_SYSPLL1_D16		47
+#define CLK_TOP_SYSPLL_D3		48
+#define CLK_TOP_SYSPLL2_D2		49
+#define CLK_TOP_SYSPLL2_D4		50
+#define CLK_TOP_SYSPLL_D5		51
+#define CLK_TOP_SYSPLL3_D2		52
+#define CLK_TOP_SYSPLL3_D4		53
+#define CLK_TOP_SYSPLL_D7		54
+#define CLK_TOP_SYSPLL4_D2		55
+#define CLK_TOP_SYSPLL4_D4		56
+#define CLK_TOP_TVDPLL			57
+#define CLK_TOP_TVDPLL_D2		58
+#define CLK_TOP_TVDPLL_D4		59
+#define CLK_TOP_TVDPLL_D8		60
+#define CLK_TOP_TVDPLL_D16		61
+#define CLK_TOP_UNIVPLL_D2		62
+#define CLK_TOP_UNIVPLL1_D2		63
+#define CLK_TOP_UNIVPLL1_D4		64
+#define CLK_TOP_UNIVPLL1_D8		65
+#define CLK_TOP_UNIVPLL_D3		66
+#define CLK_TOP_UNIVPLL2_D2		67
+#define CLK_TOP_UNIVPLL2_D4		68
+#define CLK_TOP_UNIVPLL2_D8		69
+#define CLK_TOP_UNIVPLL_D5		70
+#define CLK_TOP_UNIVPLL3_D2		71
+#define CLK_TOP_UNIVPLL3_D4		72
+#define CLK_TOP_UNIVPLL3_D8		73
+#define CLK_TOP_UNIVPLL_D7		74
+#define CLK_TOP_UNIVPLL_D26		75
+#define CLK_TOP_UNIVPLL_D52		76
+#define CLK_TOP_VCODECPLL		77
+#define CLK_TOP_VCODECPLL_370P5		78
+#define CLK_TOP_VENCPLL			79
+#define CLK_TOP_VENCPLL_D2		80
+#define CLK_TOP_VENCPLL_D4		81
+#define CLK_TOP_AXI_SEL			82
+#define CLK_TOP_MEM_SEL			83
+#define CLK_TOP_DDRPHYCFG_SEL		84
+#define CLK_TOP_MM_SEL			85
+#define CLK_TOP_PWM_SEL			86
+#define CLK_TOP_VDEC_SEL		87
+#define CLK_TOP_VENC_SEL		88
+#define CLK_TOP_MFG_SEL			89
+#define CLK_TOP_CAMTG_SEL		90
+#define CLK_TOP_UART_SEL		91
+#define CLK_TOP_SPI_SEL			92
+#define CLK_TOP_USB20_SEL		93
+#define CLK_TOP_USB30_SEL		94
+#define CLK_TOP_MSDC50_0_H_SEL		95
+#define CLK_TOP_MSDC50_0_SEL		96
+#define CLK_TOP_MSDC30_1_SEL		97
+#define CLK_TOP_MSDC30_2_SEL		98
+#define CLK_TOP_MSDC30_3_SEL		99
+#define CLK_TOP_AUDIO_SEL		100
+#define CLK_TOP_AUD_INTBUS_SEL		101
+#define CLK_TOP_PMICSPI_SEL		102
+#define CLK_TOP_SCP_SEL			103
+#define CLK_TOP_ATB_SEL			104
+#define CLK_TOP_VENC_LT_SEL		105
+#define CLK_TOP_DPI0_SEL		106
+#define CLK_TOP_IRDA_SEL		107
+#define CLK_TOP_CCI400_SEL		108
+#define CLK_TOP_AUD_1_SEL		109
+#define CLK_TOP_AUD_2_SEL		110
+#define CLK_TOP_MEM_MFG_IN_SEL		111
+#define CLK_TOP_AXI_MFG_IN_SEL		112
+#define CLK_TOP_SCAM_SEL		113
+#define CLK_TOP_SPINFI_IFR_SEL		114
+#define CLK_TOP_HDMI_SEL		115
+#define CLK_TOP_DPILVDS_SEL		116
+#define CLK_TOP_MSDC50_2_H_SEL		117
+#define CLK_TOP_HDCP_SEL		118
+#define CLK_TOP_HDCP_24M_SEL		119
+#define CLK_TOP_RTC_SEL			120
+#define CLK_TOP_APLL1_DIV0		121
+#define CLK_TOP_APLL1_DIV1		122
+#define CLK_TOP_APLL1_DIV2		123
+#define CLK_TOP_APLL1_DIV3		124
+#define CLK_TOP_APLL1_DIV4		125
+#define CLK_TOP_APLL1_DIV5		126
+#define CLK_TOP_APLL2_DIV0		127
+#define CLK_TOP_APLL2_DIV1		128
+#define CLK_TOP_APLL2_DIV2		129
+#define CLK_TOP_APLL2_DIV3		130
+#define CLK_TOP_APLL2_DIV4		131
+#define CLK_TOP_APLL2_DIV5		132
+#define CLK_TOP_I2S0_M_SEL		133
+#define CLK_TOP_I2S1_M_SEL		134
+#define CLK_TOP_I2S2_M_SEL		135
+#define CLK_TOP_I2S3_M_SEL		136
+#define CLK_TOP_I2S3_B_SEL		137
+#define CLK_TOP_NR_CLK			138
+
+/* APMIXED_SYS */
+
+#define CLK_APMIXED_ARMCA15PLL	1
+#define CLK_APMIXED_ARMCA7PLL	2
+#define CLK_APMIXED_MAINPLL		3
+#define CLK_APMIXED_UNIVPLL		4
+#define CLK_APMIXED_MMPLL		5
+#define CLK_APMIXED_MSDCPLL		6
+#define CLK_APMIXED_VENCPLL		7
+#define CLK_APMIXED_TVDPLL		8
+#define CLK_APMIXED_MPLL		9
+#define CLK_APMIXED_VCODECPLL		10
+#define CLK_APMIXED_APLL1		11
+#define CLK_APMIXED_APLL2		12
+#define CLK_APMIXED_LVDSPLL		13
+#define CLK_APMIXED_MSDCPLL2		14
+#define CLK_APMIXED_NR_CLK		15
+
+/* INFRA_SYS */
+
+#define CLK_INFRA_DBGCLK		1
+#define CLK_INFRA_SMI			2
+#define CLK_INFRA_AUDIO			3
+#define CLK_INFRA_GCE			4
+#define CLK_INFRA_L2C_SRAM		5
+#define CLK_INFRA_M4U			6
+#define CLK_INFRA_CPUM			7
+#define CLK_INFRA_KP			8
+#define CLK_INFRA_CEC			9
+#define CLK_INFRA_PMICSPI		10
+#define CLK_INFRA_PMICWRAP		11
+#define CLK_INFRA_NR_CLK		12
+
+/* PERI_SYS */
+
+#define CLK_PERI_NFI			1
+#define CLK_PERI_THERM			2
+#define CLK_PERI_PWM1			3
+#define CLK_PERI_PWM2			4
+#define CLK_PERI_PWM3			5
+#define CLK_PERI_PWM4			6
+#define CLK_PERI_PWM5			7
+#define CLK_PERI_PWM6			8
+#define CLK_PERI_PWM7			9
+#define CLK_PERI_PWM			10
+#define CLK_PERI_USB0			11
+#define CLK_PERI_USB1			12
+#define CLK_PERI_AP_DMA			13
+#define CLK_PERI_MSDC30_0		14
+#define CLK_PERI_MSDC30_1		15
+#define CLK_PERI_MSDC30_2		16
+#define CLK_PERI_MSDC30_3		17
+#define CLK_PERI_NLI_ARB		18
+#define CLK_PERI_IRDA			19
+#define CLK_PERI_UART0			20
+#define CLK_PERI_UART1			21
+#define CLK_PERI_UART2			22
+#define CLK_PERI_UART3			23
+#define CLK_PERI_I2C0			24
+#define CLK_PERI_I2C1			25
+#define CLK_PERI_I2C2			26
+#define CLK_PERI_I2C3			27
+#define CLK_PERI_I2C4			28
+#define CLK_PERI_AUXADC			29
+#define CLK_PERI_SPI0			30
+#define CLK_PERI_I2C5			31
+#define CLK_PERI_NFIECC			32
+#define CLK_PERI_SPI			33
+#define CLK_PERI_IRRX			34
+#define CLK_PERI_I2C6			35
+#define CLK_PERI_UART0_SEL		36
+#define CLK_PERI_UART1_SEL		37
+#define CLK_PERI_UART2_SEL		38
+#define CLK_PERI_UART3_SEL		39
+#define CLK_PERI_NR_CLK			40
+
+#endif /* _DT_BINDINGS_CLK_MT8173_H */
diff --git a/include/dt-bindings/reset-controller/mt8135-resets.h b/include/dt-bindings/reset-controller/mt8135-resets.h
new file mode 100644
index 0000000..1fb6295
--- /dev/null
+++ b/include/dt-bindings/reset-controller/mt8135-resets.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Flora Fu, MediaTek
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8135
+#define _DT_BINDINGS_RESET_CONTROLLER_MT8135
+
+/* INFRACFG resets */
+#define MT8135_INFRA_EMI_REG_RST        0
+#define MT8135_INFRA_DRAMC0_A0_RST      1
+#define MT8135_INFRA_CCIF0_RST          2
+#define MT8135_INFRA_APCIRQ_EINT_RST    3
+#define MT8135_INFRA_APXGPT_RST         4
+#define MT8135_INFRA_SCPSYS_RST         5
+#define MT8135_INFRA_CCIF1_RST          6
+#define MT8135_INFRA_PMIC_WRAP_RST      7
+#define MT8135_INFRA_KP_RST             8
+#define MT8135_INFRA_EMI_RST            32
+#define MT8135_INFRA_DRAMC0_RST         34
+#define MT8135_INFRA_SMI_RST            35
+#define MT8135_INFRA_M4U_RST            36
+
+/*  PERICFG resets */
+#define MT8135_PERI_UART0_SW_RST        0
+#define MT8135_PERI_UART1_SW_RST        1
+#define MT8135_PERI_UART2_SW_RST        2
+#define MT8135_PERI_UART3_SW_RST        3
+#define MT8135_PERI_IRDA_SW_RST         4
+#define MT8135_PERI_PTP_SW_RST          5
+#define MT8135_PERI_AP_HIF_SW_RST       6
+#define MT8135_PERI_GPCU_SW_RST         7
+#define MT8135_PERI_MD_HIF_SW_RST       8
+#define MT8135_PERI_NLI_SW_RST          9
+#define MT8135_PERI_AUXADC_SW_RST       10
+#define MT8135_PERI_DMA_SW_RST          11
+#define MT8135_PERI_NFI_SW_RST          14
+#define MT8135_PERI_PWM_SW_RST          15
+#define MT8135_PERI_THERM_SW_RST        16
+#define MT8135_PERI_MSDC0_SW_RST        17
+#define MT8135_PERI_MSDC1_SW_RST        18
+#define MT8135_PERI_MSDC2_SW_RST        19
+#define MT8135_PERI_MSDC3_SW_RST        20
+#define MT8135_PERI_I2C0_SW_RST         22
+#define MT8135_PERI_I2C1_SW_RST         23
+#define MT8135_PERI_I2C2_SW_RST         24
+#define MT8135_PERI_I2C3_SW_RST         25
+#define MT8135_PERI_I2C4_SW_RST         26
+#define MT8135_PERI_I2C5_SW_RST         27
+#define MT8135_PERI_I2C6_SW_RST         28
+#define MT8135_PERI_USB_SW_RST          29
+#define MT8135_PERI_SPI1_SW_RST         33
+#define MT8135_PERI_PWRAP_BRIDGE_SW_RST 34
+
+#endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT8135 */
diff --git a/include/dt-bindings/reset-controller/mt8173-resets.h b/include/dt-bindings/reset-controller/mt8173-resets.h
new file mode 100644
index 0000000..9464b37
--- /dev/null
+++ b/include/dt-bindings/reset-controller/mt8173-resets.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Flora Fu, MediaTek
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8173
+#define _DT_BINDINGS_RESET_CONTROLLER_MT8173
+
+/* INFRACFG resets */
+#define MT8173_INFRA_EMI_REG_RST        0
+#define MT8173_INFRA_DRAMC0_A0_RST      1
+#define MT8173_INFRA_APCIRQ_EINT_RST    3
+#define MT8173_INFRA_APXGPT_RST         4
+#define MT8173_INFRA_SCPSYS_RST         5
+#define MT8173_INFRA_KP_RST             6
+#define MT8173_INFRA_PMIC_WRAP_RST      7
+#define MT8173_INFRA_MPIP_RST           8
+#define MT8173_INFRA_CEC_RST            9
+#define MT8173_INFRA_EMI_RST            32
+#define MT8173_INFRA_DRAMC0_RST         34
+#define MT8173_INFRA_APMIXEDSYS_RST     35
+#define MT8173_INFRA_MIPI_DSI_RST       36
+#define MT8173_INFRA_TRNG_RST           37
+#define MT8173_INFRA_SYSIRQ_RST         38
+#define MT8173_INFRA_MIPI_CSI_RST       39
+#define MT8173_INFRA_GCE_FAXI_RST       40
+#define MT8173_INFRA_MMIOMMURST         47
+
+
+/*  PERICFG resets */
+#define MT8173_PERI_UART0_SW_RST        0
+#define MT8173_PERI_UART1_SW_RST        1
+#define MT8173_PERI_UART2_SW_RST        2
+#define MT8173_PERI_UART3_SW_RST        3
+#define MT8173_PERI_IRRX_SW_RST         4
+#define MT8173_PERI_PWM_SW_RST          8
+#define MT8173_PERI_AUXADC_SW_RST       10
+#define MT8173_PERI_DMA_SW_RST          11
+#define MT8173_PERI_I2C6_SW_RST         13
+#define MT8173_PERI_NFI_SW_RST          14
+#define MT8173_PERI_THERM_SW_RST        16
+#define MT8173_PERI_MSDC2_SW_RST        17
+#define MT8173_PERI_MSDC3_SW_RST        18
+#define MT8173_PERI_MSDC0_SW_RST        19
+#define MT8173_PERI_MSDC1_SW_RST        20
+#define MT8173_PERI_I2C0_SW_RST         22
+#define MT8173_PERI_I2C1_SW_RST         23
+#define MT8173_PERI_I2C2_SW_RST         24
+#define MT8173_PERI_I2C3_SW_RST         25
+#define MT8173_PERI_I2C4_SW_RST         26
+#define MT8173_PERI_HDMI_SW_RST         29
+#define MT8173_PERI_SPI0_SW_RST         33
+
+#endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT8173 */
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index df69531..5378c2a 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -209,7 +209,7 @@
 struct clk_init_data {
 	const char		*name;
 	const struct clk_ops	*ops;
-	const char		**parent_names;
+	const char		* const *parent_names;
 	u8			num_parents;
 	unsigned long		flags;
 };
@@ -426,12 +426,14 @@
 extern const struct clk_ops clk_mux_ro_ops;
 
 struct clk *clk_register_mux(struct device *dev, const char *name,
-		const char **parent_names, u8 num_parents, unsigned long flags,
+		const char * const *parent_names, u8 num_parents,
+		unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_mux_flags, spinlock_t *lock);
 
 struct clk *clk_register_mux_table(struct device *dev, const char *name,
-		const char **parent_names, u8 num_parents, unsigned long flags,
+		const char * const *parent_names, u8 num_parents,
+		unsigned long flags,
 		void __iomem *reg, u8 shift, u32 mask,
 		u8 clk_mux_flags, u32 *table, spinlock_t *lock);
 
@@ -518,7 +520,7 @@
 };
 
 struct clk *clk_register_composite(struct device *dev, const char *name,
-		const char **parent_names, int num_parents,
+		const char * const *parent_names, int num_parents,
 		struct clk_hw *mux_hw, const struct clk_ops *mux_ops,
 		struct clk_hw *rate_hw, const struct clk_ops *rate_ops,
 		struct clk_hw *gate_hw, const struct clk_ops *gate_ops,