[PATCH v3 3/3] ARM: dts: Add nodes for dw_mmc controllers for Samsung Exynos5250 platforms

[thomas.abraham@linaro.org (Thomas Abraham)]

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>
---
 arch/arm/boot/dts/exynos5250-smdk5250.dts |   57 ++++++++++++++++++++++++++++-
 arch/arm/boot/dts/exynos5250.dtsi         |   32 ++++++++++++++++
 2 files changed, 88 insertions(+), 1 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 8a5e348..6dc9faf 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -16,12 +16,19 @@
 	model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
 	compatible = "samsung,smdk5250", "samsung,exynos5250";
 
+	aliases {
+		mshc0 = &mshc_0;
+		mshc1 = &mshc_1;
+		mshc2 = &mshc_2;
+		mshc3 = &mshc_3;
+	};
+
 	memory {
 		reg = <0x40000000 0x80000000>;
 	};
 
 	chosen {
-		bootargs = "root=/dev/ram0 rw ramdisk=8192 console=ttySAC1,115200";
+		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
 	};
 
 	i2c at 12C60000 {
@@ -72,6 +79,54 @@
 		status = "disabled";
 	};
 
+	mshc_0: dwmmc0 at 12200000 {
+		num-slots = <1>;
+		supports-highspeed;
+		broken-cd;
+		fifo-depth = <0x80>;
+		card-detect-delay = <200>;
+		samsung,dw-mshc-sdr-timing = <2 3 3>;
+		samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+		slot at 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>;
+		};
+	};
+
+	mshc_1: dwmmc1 at 12210000 {
+		status = "disabled";
+	};
+
+	mshc_2: dwmmc2 at 12220000 {
+		num-slots = <1>;
+		supports-highspeed;
+		fifo-depth = <0x80>;
+		card-detect-delay = <200>;
+		samsung,dw-mshc-sdr-timing = <2 3 3>;
+		samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+		slot at 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>;
+		};
+	};
+
+	mshc_3: dwmmc3 at 12230000 {
+		status = "disabled";
+	};
+
 	spi_0: spi at 12d20000 {
 		status = "disabled";
 	};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 004aaa8..f69e389 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -182,6 +182,38 @@
 		#size-cells = <0>;
 	};
 
+	dwmmc0 at 12200000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12200000 0x1000>;
+		interrupts = <0 75 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	dwmmc1 at 12210000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12210000 0x1000>;
+		interrupts = <0 76 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	dwmmc2 at 12220000 {
+		compatible = "samsung,exynos5250-dw-mshc";
+		reg = <0x12220000 0x1000>;
+		interrupts = <0 77 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	dwmmc3 at 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>;
-- 
1.6.6.rc2