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@samsung.com Signed-off-by: Jaehoon Chung jh80.chung@samsung.com Tested-by: Piotr Wilczek p.wilczek@samsung.com Cc: Lukasz Majewski l.majewski@samsung.com Cc: Piotr Wilczek p.wilczek@samsung.com Cc: Minkyu Kang mk7.kang@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@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@13820000"; mmc0 = "sdhci@12510000"; mmc2 = "sdhci@12530000";

• mmc4 = "dwmmc@12550000";
  

  };

  i2c@138d0000 {

@@ -431,4 +432,11 @@ sdhci@12540000 { status = "disabled"; };

• dwmmc@12550000 {

• samsung,bus-width = <8>;
  

• samsung,timing = <0 1 0>;
  

• pwr-gpios = <&gpio 0x2004002 0>;
  

• index = <4>;
  

• };

};