video: da8xx-fb: clk_get on connection id fck
do clk_get on connection id "fck" to support OMAP based
platforms having multiple clocks for module. Without this
driver change clk_get fails on am335x.
This patch is based on the discussion in community
http://marc.info/?l=linux-kernel&m=135166018907827&w=2
Signed-off-by: Manjunathappa <prakash.pm@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 510648e..678a54a 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -408,7 +408,7 @@
CLK(NULL, "pwm2", &pwm2_clk),
CLK("eqep.0", NULL, &eqep0_clk),
CLK("eqep.1", NULL, &eqep1_clk),
- CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
+ CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
CLK("davinci-mcasp.2", NULL, &mcasp2_clk),
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index b90c172..fda7048 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -396,7 +396,7 @@
CLK(NULL, "rmii", &rmii_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
- CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
+ CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK(NULL, "aemif", &aemif_clk),
diff --git a/arch/arm/mach-davinci/pm_domain.c b/arch/arm/mach-davinci/pm_domain.c
index 00946e2..c90250e 100644
--- a/arch/arm/mach-davinci/pm_domain.c
+++ b/arch/arm/mach-davinci/pm_domain.c
@@ -53,6 +53,7 @@
static struct pm_clk_notifier_block platform_bus_notifier = {
.pm_domain = &davinci_pm_domain,
+ .con_ids = { "fck", NULL, },
};
static int __init davinci_pm_runtime_init(void)
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 3fd9ec5..f2ceb65 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1248,7 +1248,7 @@
goto err_request_mem;
}
- fb_clk = clk_get(&device->dev, NULL);
+ fb_clk = clk_get(&device->dev, "fck");
if (IS_ERR(fb_clk)) {
dev_err(&device->dev, "Can not get device clock\n");
ret = -ENODEV;