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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>
This commit is contained in:
Rahul Sharma 2012-10-29 21:51:47 +09:00 committed by Kukjin Kim
parent 3e3e9ce447
commit 62a1f83f0c
3 changed files with 23 additions and 1 deletions
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12
Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt Normal file
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@ -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>;
};

10
arch/arm/boot/dts/exynos5250-smdk5250.dts
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@ -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 {

2
arch/arm/mach-exynos/mach-exynos5-dt.c
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@ -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,