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>

2 files changed, 89 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 62e1039fb30e..a352df403b7a 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/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 @@
                 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";
         };
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 004aaa8d123c..f69e389e6ffa 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -182,6 +182,38 @@
                 #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>;