ARM: dts: Add nodes for dw_mmc controllers for Samsung EXYNOS5250 platforms

Add device nodes for the four instances of dw_mmc controllers in
EXYNOS5250 and enable instance 0 and 2 for the SMDK5250 board.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -16,6 +16,13 @@ / {
 	model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
 	compatible = "samsung,smdk5250", "samsung,exynos5250";
 
+	aliases {
+		mshc0 = &dwmmc_0;
+		mshc1 = &dwmmc_1;
+		mshc2 = &dwmmc_2;
+		mshc3 = &dwmmc_3;
+	};
+
 	memory {
 		reg = <0x40000000 0x80000000>;
 	};
@@ -72,6 +79,56 @@ i2c@12CD0000 {
 		status = "disabled";
 	};
 
+	dwmmc_0: dwmmc0@12200000 {
+		num-slots = <1>;
+		supports-highspeed;
+		broken-cd;
+		fifo-depth = <0x80>;
+		card-detect-delay = <200>;
+		samsung,dw-mshc-ciu-div = <3>;
+		samsung,dw-mshc-sdr-timing = <2 3 3>;
+		samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+		slot@0 {
+			reg = <0>;
+			bus-width = <8>;
+			gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>,
+				<&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>,
+				<&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>,
+				<&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>,
+				<&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>;
+		};
+	};
+
+	dwmmc_1: dwmmc1@12210000 {
+		status = "disabled";
+	};
+
+	dwmmc_2: dwmmc2@12220000 {
+		num-slots = <1>;
+		supports-highspeed;
+		fifo-depth = <0x80>;
+		card-detect-delay = <200>;
+		samsung,dw-mshc-ciu-div = <3>;
+		samsung,dw-mshc-sdr-timing = <2 3 3>;
+		samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+		slot@0 {
+			reg = <0>;
+			bus-width = <4>;
+			samsung,cd-pinmux-gpio = <&gpc3 2 2 3 3>;
+			gpios = <&gpc3 0 2 0 3>, <&gpc3 1 2 0 3>,
+				<&gpc3 3 2 3 3>, <&gpc3 4 2 3 3>,
+				<&gpc3 5 2 3 3>, <&gpc3 6 2 3 3>,
+				<&gpc4 3 3 3 3>, <&gpc4 3 3 3 3>,
+				<&gpc4 5 3 3 3>, <&gpc4 6 3 3 3>;
+		};
+	};
+
+	dwmmc_3: dwmmc3@12230000 {
+		status = "disabled";
+	};
+
 	spi_0: spi@12d20000 {
 		status = "disabled";
 	};

arch/arm/boot/dts/exynos5250.dtsi

@@ -182,6 +182,38 @@ spi_2: spi@12d40000 {
 		#size-cells = <0>;
 	};
 
+	dwmmc0@12200000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12200000 0x1000>;
+		interrupts = <0 75 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	dwmmc1@12210000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12210000 0x1000>;
+		interrupts = <0 76 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	dwmmc2@12220000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12220000 0x1000>;
+		interrupts = <0 77 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	dwmmc3@12230000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12230000 0x1000>;
+		interrupts = <0 78 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
 	amba {
 		#address-cells = <1>;
 		#size-cells = <1>;