[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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