arm64: dts: Add the arasan mmc DTS entries for APM X-Gene v1 SoC

This patch adds the arasan mmc nodes to reuse the of-arasan
driver for APM X-Gene v1 SoC platforms.

[dhdang: changelog]
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Duc Dang <dhdang@apm.com>

arch/arm64/boot/dts/apm/apm-mustang.dts

@@ -74,3 +74,7 @@ &sgenet1 {
 &xgenet {
 	status = "ok";
 };
+
+&mmc0 {
+	status = "ok";
+};

arch/arm64/boot/dts/apm/apm-storm.dtsi

@@ -150,6 +150,40 @@ socplldiv2: socplldiv2  {
 				clock-output-names = "socplldiv2";
 			};
 
+			ahbclk: ahbclk@1f2ac000 {
+				compatible = "apm,xgene-device-clock";
+				#clock-cells = <1>;
+				clocks = <&socplldiv2 0>;
+				reg = <0x0 0x1f2ac000 0x0 0x1000
+					0x0 0x17000000 0x0 0x2000>;
+				reg-names = "csr-reg", "div-reg";
+				csr-offset = <0x0>;
+				csr-mask = <0x1>;
+				enable-offset = <0x8>;
+				enable-mask = <0x1>;
+				divider-offset = <0x164>;
+				divider-width = <0x5>;
+				divider-shift = <0x0>;
+				clock-output-names = "ahbclk";
+			};
+
+			sdioclk: sdioclk@1f2ac000 {
+				compatible = "apm,xgene-device-clock";
+				#clock-cells = <1>;
+				clocks = <&socplldiv2 0>;
+				reg = <0x0 0x1f2ac000 0x0 0x1000
+					0x0 0x17000000 0x0 0x2000>;
+				reg-names = "csr-reg", "div-reg";
+				csr-offset = <0x0>;
+				csr-mask = <0x2>;
+				enable-offset = <0x8>;
+				enable-mask = <0x2>;
+				divider-offset = <0x178>;
+				divider-width = <0x8>;
+				divider-shift = <0x0>;
+				clock-output-names = "sdioclk";
+			};
+
 			qmlclk: qmlclk {
 				compatible = "apm,xgene-device-clock";
 				#clock-cells = <1>;
@@ -686,6 +720,16 @@ serial3: serial@1c023000 {
 			interrupts = <0x0 0x4f 0x4>;
 		};
 
+		mmc0: mmc@1c000000 {
+			compatible = "arasan,sdhci-4.9a";
+			reg = <0x0 0x1c000000 0x0 0x100>;
+			interrupts = <0x0 0x49 0x4>;
+			dma-coherent;
+			no-1-8-v;
+			clock-names = "clk_xin", "clk_ahb";
+			clocks = <&sdioclk 0>, <&ahbclk 0>;
+		};
+
 		phy1: phy@1f21a000 {
 			compatible = "apm,xgene-phy";
 			reg = <0x0 0x1f21a000 0x0 0x100>;