[U-Boot] {PATCH v3 4/4] board: trats2: Enable device tree on Trats2

Beomho Seo beomho.seo at samsung.com
Thu Mar 20 05:40:26 CET 2014


On 03/20/2014 01:14 PM, Beomho Seo wrote:
> This patch add dwmmc emmc controller node on exynos4 and exynos4412 device tree.
> 
> Signed-off-by: Beomho Seo <beomho.seo at samsung.com>
> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
> Tested-by: Piotr Wilczek <p.wilczek at samsung.com>
> Cc: Lukasz Majewski <l.majewski at samsung.com>
> Cc: Piotr Wilczek <p.wilczek at samsung.com>
> Cc: Minkyu Kang <mk7.kang at samsung.com>
> ---
> Changes for v3:
> - Subtract one from div to set accurate frequency.
> 

Sorry for the mistake.
This change log for the patch 1.(drivers: mmc: dwmmc: enable support for DT)

> Changes for v2:
> - None.
> 
>  arch/arm/dts/exynos4.dtsi          |    8 ++++++++
>  arch/arm/dts/exynos4412-trats2.dts |    8 ++++++++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/arch/arm/dts/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi
> index 71dc7eb..ab99906 100644
> --- a/arch/arm/dts/exynos4.dtsi
> +++ b/arch/arm/dts/exynos4.dtsi
> @@ -128,6 +128,14 @@
>  		interrupts = <0 78 0>;
>  	};
> 
> +	dwmmc at 12550000 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "samsung,exynos4412-dwmmc";
> +		reg = <0x12550000 0x1000>;
> +		interrupts = <0 131 0>;
> +	};
> +
>  	gpio: gpio {
>  		gpio-controller;
>  		#gpio-cells = <2>;
> diff --git a/arch/arm/dts/exynos4412-trats2.dts b/arch/arm/dts/exynos4412-trats2.dts
> index 7d32067..438e70e 100644
> --- a/arch/arm/dts/exynos4412-trats2.dts
> +++ b/arch/arm/dts/exynos4412-trats2.dts
> @@ -31,6 +31,7 @@
>  		console = "/serial at 13820000";
>  		mmc0 = "sdhci at 12510000";
>  		mmc2 = "sdhci at 12530000";
> +		mmc4 = "dwmmc at 12550000";
>  	};
> 
>  	i2c at 138d0000 {
> @@ -431,4 +432,11 @@
>  	sdhci at 12540000 {
>  		status = "disabled";
>  	};
> +
> +	dwmmc at 12550000 {
> +		samsung,bus-width = <8>;
> +		samsung,timing = <0 1 0>;
> +		pwr-gpios = <&gpio 0x2004002 0>;
> +		index = <4>;
> +	};
>  };
> 



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