ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS5 platforms

Add device nodes for the three instances of spi controllers in
EXYNOS5 platforms and enable instance SPI 1 for SMDK5250 board.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 49945cc..8a5e348 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -71,4 +71,42 @@
 	i2c@12CD0000 {
 		status = "disabled";
 	};
+
+	spi_0: spi@12d20000 {
+		status = "disabled";
+	};
+
+	spi_1: spi@12d30000 {
+		gpios = <&gpa2 4 2 3 0>,
+			<&gpa2 6 2 3 0>,
+			<&gpa2 7 2 3 0>;
+
+		w25q80bw@0 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "w25x80";
+			reg = <0>;
+			spi-max-frequency = <1000000>;
+
+			controller-data {
+				cs-gpio = <&gpa2 5 1 0 3>;
+				samsung,spi-feedback-delay = <0>;
+			};
+
+			partition@0 {
+				label = "U-Boot";
+				reg = <0x0 0x40000>;
+				read-only;
+			};
+
+			partition@40000 {
+				label = "Kernel";
+				reg = <0x40000 0xc0000>;
+			};
+		};
+	};
+
+	spi_2: spi@12d40000 {
+		status = "disabled";
+	};
 };