Re: [PATCH 2/4] clk: exynos4: export sclk_hdmiphy clock

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Hi Tomasz,

On 04.04.2014 16:53, Tomasz Stanislawski wrote:
Export sclk_hdmiphy clock to be usable from DT.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>
---
  drivers/clk/samsung/clk-exynos4.c   |    2 +-
  include/dt-bindings/clock/exynos4.h |    1 +
  2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index b4f9672..528f8eb 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -428,7 +428,7 @@ static struct samsung_fixed_rate_clock exynos4_fixed_rate_ext_clks[] __initdata
  /* fixed rate clocks generated inside the soc */
  static struct samsung_fixed_rate_clock exynos4_fixed_rate_clks[] __initdata = {
  	FRATE(0, "sclk_hdmi24m", NULL, CLK_IS_ROOT, 24000000),
-	FRATE(0, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 27000000),
+	FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 27000000),
  	FRATE(0, "sclk_usbphy0", NULL, CLK_IS_ROOT, 48000000),
  };

diff --git a/include/dt-bindings/clock/exynos4.h b/include/dt-bindings/clock/exynos4.h
index 75aff33..0e245eb 100644
--- a/include/dt-bindings/clock/exynos4.h
+++ b/include/dt-bindings/clock/exynos4.h
@@ -33,6 +33,7 @@
  #define CLK_MOUT_MPLL_USER_C	18 /* Exynos4x12 only */
  #define CLK_MOUT_CORE		19
  #define CLK_MOUT_APLL		20
+#define CLK_SCLK_HDMIPHY	22

  /* gate for special clocks (sclk) */
  #define CLK_SCLK_FIMC0		128


I believe this clock should be properly abstracted as an output of HDMI PHY, but I don't see any way to do this with existing infrastructure, so probably for now such workaround is fine.

Will apply, if nobody opposes.

Best regards,
Tomasz
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