ARM: dts: Add SPI nodes to the exynos5420 device tree file

Add SPI device tree nodes to Exynos5420 SoC
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5420.dtsi

@@ -43,6 +43,9 @@ aliases {
 		i2c10 = &hsi2c_10;
 		gsc0 = &gsc_0;
 		gsc1 = &gsc_1;
+		spi0 = &spi_0;
+		spi1 = &spi_1;
+		spi2 = &spi_2;
 	};
 
 	cpus {
@@ -323,6 +326,54 @@ mdma1: mdma@11C10000 {
 		};
 	};
 
+	spi_0: spi@12d20000 {
+		compatible = "samsung,exynos4210-spi";
+		reg = <0x12d20000 0x100>;
+		interrupts = <0 66 0>;
+		dmas = <&pdma0 5
+			&pdma0 4>;
+		dma-names = "tx", "rx";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&spi0_bus>;
+		clocks = <&clock 271>, <&clock 135>;
+		clock-names = "spi", "spi_busclk0";
+		status = "disabled";
+	};
+
+	spi_1: spi@12d30000 {
+		compatible = "samsung,exynos4210-spi";
+		reg = <0x12d30000 0x100>;
+		interrupts = <0 67 0>;
+		dmas = <&pdma1 5
+			&pdma1 4>;
+		dma-names = "tx", "rx";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&spi1_bus>;
+		clocks = <&clock 272>, <&clock 136>;
+		clock-names = "spi", "spi_busclk0";
+		status = "disabled";
+	};
+
+	spi_2: spi@12d40000 {
+		compatible = "samsung,exynos4210-spi";
+		reg = <0x12d40000 0x100>;
+		interrupts = <0 68 0>;
+		dmas = <&pdma0 7
+			&pdma0 6>;
+		dma-names = "tx", "rx";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&spi2_bus>;
+		clocks = <&clock 273>, <&clock 137>;
+		clock-names = "spi", "spi_busclk0";
+		status = "disabled";
+	};
+
 	serial@12C00000 {
 		clocks = <&clock 257>, <&clock 128>;
 		clock-names = "uart", "clk_uart_baud0";