From 62a1f83f0cbbc9c2e2776b4ad91ccb2f500b6a0b Mon Sep 17 00:00:00 2001 From: Rahul Sharma Date: Mon, 29 Oct 2012 21:51:47 +0900 Subject: [PATCH] ARM: dts: add device tree support for exynos5 hdmiddc This patch adds support for device tree based discovery for exynos5 hdmi ddc. Signed-off-by: Rahul Sharma Signed-off-by: Kukjin Kim --- Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt | 12 ++++++++++++ arch/arm/boot/dts/exynos5250-smdk5250.dts | 10 +++++++++- arch/arm/mach-exynos/mach-exynos5-dt.c | 2 ++ 3 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt b/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt new file mode 100644 index 0000000..fa166d9 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt @@ -0,0 +1,12 @@ +Device-Tree bindings for hdmiddc driver + +Required properties: +- compatible: value should be "samsung,exynos5-hdmiddc". +- reg: I2C address of the hdmiddc device. + +Example: + + hdmiddc { + compatible = "samsung,exynos5-hdmiddc"; + reg = <0x50>; + }; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 7dc196f..7212d53 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -56,7 +56,15 @@ }; i2c@12C80000 { - status = "disabled"; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <66000>; + gpios = <&gpa0 6 3 3 0>, + <&gpa0 7 3 3 0>; + + hdmiddc@50 { + compatible = "samsung,exynos5-hdmiddc"; + reg = <0x50>; + }; }; i2c@12C90000 { diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index 0f20ba8..db03537 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-i2c", EXYNOS5_PA_IIC(2), + "s3c2440-i2c.2", 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, -- 2.7.4