clk: exynos5250: add clock ID for div_pcm0

There is no gate for the PCM clock input to the AudioSS block, so
the parent of sclk_pcm is div_pcm0.  Add a clock ID for it so that
we can reference it in device trees.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>

3 files changed, 3 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
index 5883ec878ddd..492ed09ea8c8 100644
--- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
@@ -62,6 +62,7 @@ clock which they consume.
   div_i2s1              157
   div_i2s2              158
   sclk_hdmiphy          159
+  div_pcm0              160
 
 
    [Peripheral Clock Gates]
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index 25c77ab37ccf..ff4beebe1f0b 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -329,7 +329,7 @@ static struct samsung_div_clock exynos5250_div_clks[] __initdata = {
         DIV(0, "div_jpeg", "mout_jpeg", DIV_GEN, 4, 4),
 
         DIV(0, "div_audio0", "mout_audio0", DIV_MAU, 0, 4),
-        DIV(0, "div_pcm0", "sclk_audio0", DIV_MAU, 4, 8),
+        DIV(CLK_DIV_PCM0, "div_pcm0", "sclk_audio0", DIV_MAU, 4, 8),
 
         DIV(0, "div_sata", "mout_sata", DIV_FSYS0, 20, 4),
         DIV(0, "div_usb3", "mout_usb3", DIV_FSYS0, 24, 4),
diff --git a/include/dt-bindings/clock/exynos5250.h b/include/dt-bindings/clock/exynos5250.h
index 0512572b2b24..922f2dca9bf0 100644
--- a/include/dt-bindings/clock/exynos5250.h
+++ b/include/dt-bindings/clock/exynos5250.h
@@ -55,6 +55,7 @@
 #define CLK_DIV_I2S1            157
 #define CLK_DIV_I2S2            158
 #define CLK_SCLK_HDMIPHY        159
+#define CLK_DIV_PCM0            160
 
 /* gate clocks */
 #define CLK_GSCL0               256