ARM: mach-shmobile: clock-r8a7779: clkz/clkzs support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c
index 29c3306..b4b0e8c 100644
--- a/arch/arm/mach-shmobile/clock-r8a7779.c
+++ b/arch/arm/mach-shmobile/clock-r8a7779.c
@@ -102,9 +102,35 @@
[MSTP014] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 14, 0), /* TMU2 */
};
+static unsigned long mul4_recalc(struct clk *clk)
+{
+ return clk->parent->rate * 4;
+}
+
+static struct clk_ops mul4_clk_ops = {
+ .recalc = mul4_recalc,
+};
+
+struct clk clkz_clk = {
+ .ops = &mul4_clk_ops,
+ .parent = &div4_clks[DIV4_S],
+};
+
+struct clk clkzs_clk = {
+ /* clks x 4 / 4 = clks */
+ .parent = &div4_clks[DIV4_S],
+};
+
+static struct clk *late_main_clks[] = {
+ &clkz_clk,
+ &clkzs_clk,
+};
+
static struct clk_lookup lookups[] = {
/* main clocks */
CLKDEV_CON_ID("plla_clk", &plla_clk),
+ CLKDEV_CON_ID("clkz_clk", &clkz_clk),
+ CLKDEV_CON_ID("clkzs_clk", &clkzs_clk),
/* DIV4 clocks */
CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_S]),
@@ -138,6 +164,9 @@
if (!ret)
ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+ for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+ ret = clk_register(late_main_clks[k]);
+
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
if (!ret)