[PATCH v3 4/6] dts: exynos: add device tree support for exynos5 hdmiddc

Tomasz Figa t.figa at samsung.com
Tue Oct 16 20:04:45 EST 2012


Hi,

On Tuesday 16 of October 2012 05:00:32 Rahul Sharma wrote:
> This patch adds support for device tree based discovery for exynos5
> hdmi ddc.
> 
> Signed-off-by: Rahul Sharma <rahul.sharma at samsung.com>
> ---
>  .../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 deletions(-)
>  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..c408892
> --- /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>;
> +	};
> \ 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 18ac213..f7b4fc4
> 100644
> --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> @@ -56,7 +56,15 @@
>  	};
> 
>  	i2c at 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 at 50 {
> +			compatible = "samsung,exynos5-hdmiddc";
> +			reg = <0x50>;
> +		};
>  	};
> 
>  	i2c at 12C90000 {
> diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c
> b/arch/arm/mach-exynos/mach-exynos5-dt.c index 3f129db..003963c 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,

Looks fine.

Reviewed-by: Tomasz Figa <t.figa at samsung.com>

Best regards,
-- 
Tomasz Figa
Samsung Poland R&D Center
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