Re: [PATCH v3 3/6] dts: exynos: add device tree support for exynos5 hdmiphy

This patch adds support for device tree based discovery for exynos5
hdmiphy.

Signed-off-by: Rahul Sharma <redacted>
---
 .../devicetree/bindings/drm/exynos/hdmiphy.txt     |   12 ++++++++++++
 arch/arm/boot/dts/exynos5250-smdk5250.dts          |   10 ++++++++++
 arch/arm/boot/dts/exynos5250.dtsi                  |    8 ++++++++
 arch/arm/mach-exynos/mach-exynos5-dt.c             |    2 ++
 4 files changed, 32 insertions(+), 0 deletions(-)
 create mode 100644
Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt

diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt

b/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt new file
mode 100644
index 0000000..c4face5

--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt

@@ -0,0 +1,12 @@
+Device-Tree bindings for hdmiphy driver
+
+Required properties:
+- compatible: value should be "samsung,exynos5-hdmiphy".
+- reg: I2C address of the hdmiphy device.
+
+Example:
+
+	hdmiphy {
+		compatible = "samsung,exynos5-hdmiphy";
+		reg = <0x38>;
+	};

\ No newline at end of file

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts

b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 0d51678..18ac213
100644

--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -79,6 +79,16 @@
 		status = "disabled";
 	};

+	i2c@12CE0000 {
+		samsung,i2c-sda-delay = <100>;
+		samsung,i2c-max-bus-freq = <66000>;
+
+		hdmiphy@38 {
+			compatible = "samsung,exynos5-hdmiphy";
+			reg = <0x38>;
+		};
+	};
+
 	dwmmc_0: dwmmc0@12200000 {
 		num-slots = <1>;
 		supports-highspeed;

diff --git a/arch/arm/boot/dts/exynos5250.dtsi

b/arch/arm/boot/dts/exynos5250.dtsi index 4064b6a..242079a 100644

--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi

@@ -152,6 +152,14 @@
 		#size-cells = <0>;
 	};

+	i2c@12CE0000 {
+		compatible = "samsung,s3c2440-hdmiphy-i2c";
+		reg = <0x12CE0000 0x1000>;
+		interrupts = <0 64 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
 	spi_0: spi@12d20000 {
 		compatible = "samsung,exynos4210-spi";
 		reg = <0x12d20000 0x100>;

diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c

b/arch/arm/mach-exynos/mach-exynos5-dt.c index cdad7c1..3f129db 100644

--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c

@@ -47,6 +47,8 @@ static const struct of_dev_auxdata

exynos5250_auxdata_lookup[] __initconst = { "s3c2440-i2c.0", NULL),
 	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
 				"s3c2440-i2c.1", NULL),
+	OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8),
+				"s3c2440-hdmiphy-i2c", NULL),
 	OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0,
 				"dw_mmc.0", NULL),
 	OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI1,