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| author | Rahul Sharma <rahul.sharma@samsung.com> | 2012-10-29 13:51:47 +0100 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-10-29 13:51:47 +0100 |
| commit | 62a1f83f0cbbc9c2e2776b4ad91ccb2f500b6a0b (patch) | |
| tree | 3fe6829ac4d1ea112f6064a56f604bd9826e802c | |
| parent | ARM: dts: add device tree support for exynos5 hdmiphy (diff) | |
| download | linux-62a1f83f0cbbc9c2e2776b4ad91ccb2f500b6a0b.tar.xz linux-62a1f83f0cbbc9c2e2776b4ad91ccb2f500b6a0b.zip | |
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 <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| -rw-r--r-- | Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt | 12 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5250-smdk5250.dts | 10 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mach-exynos5-dt.c | 2 |
3 files changed, 23 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt b/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt new file mode 100644 index 000000000000..fa166d945809 --- /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 7dc196f6b0a1..7212d538086d 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 0f20ba8fcf1b..db035374087e 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, |