ARM: dts: add board dts file for EXYNOS4412 based SMDK board

Add a minimal board dts file for Samsung EXYNOS4412 based SMDK board.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/Makefile

@@ -23,6 +23,7 @@ dtb-$(CONFIG_ARCH_DOVE) += dove-cm-a510.dtb \
 dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
 	exynos4210-smdkv310.dtb \
 	exynos4210-trats.dtb \
+	exynos4412-smdk4412.dtb \
 	exynos5250-smdk5250.dtb
 dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb
 dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \

arch/arm/boot/dts/exynos4412-smdk4412.dts

+/*
+ * Samsung's Exynos4412 based SMDK board device tree source
+ *
+ * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Device tree source file for Samsung's SMDK4412 board which is based on
+ * Samsung's Exynos4412 SoC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/dts-v1/;
+/include/ "exynos4412.dtsi"
+
+/ {
+	model = "Samsung SMDK evaluation board based on Exynos4412";
+	compatible = "samsung,smdk4412", "samsung,exynos4412";
+
+	memory {
+		reg = <0x40000000 0x40000000>;
+	};
+
+	chosen {
+		bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
+	};
+
+	serial@13800000 {
+		status = "okay";
+	};
+
+	serial@13810000 {
+		status = "okay";
+	};
+
+	serial@13820000 {
+		status = "okay";
+	};
+
+	serial@13830000 {
+		status = "okay";
+	};
+};