ARM: dts: Add initial device tree support for EXYNOS5420

Add initial device tree nodes for EXYNOS5420 SoC and SMDK5420 board.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

3 files changed, 137 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 56ffdde091fa..13575103594d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -57,6 +57,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
         exynos5440-sd5v1.dtb \
         exynos5250-smdk5250.dtb \
         exynos5250-snow.dtb \
+        exynos5420-smdk5420.dtb \
         exynos5440-ssdk5440.dtb
 dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
         ecx-2000.dtb
diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
new file mode 100644
index 000000000000..08607df6a180
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -0,0 +1,33 @@
+/*
+ * SAMSUNG SMDK5420 board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * 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 "exynos5420.dtsi"
+
+/ {
+        model = "Samsung SMDK5420 board based on EXYNOS5420";
+        compatible = "samsung,smdk5420", "samsung,exynos5420";
+
+        memory {
+                reg = <0x20000000 0x80000000>;
+        };
+
+        chosen {
+                bootargs = "console=ttySAC2,115200 init=/linuxrc";
+        };
+
+        fixed-rate-clocks {
+                oscclk {
+                        compatible = "samsung,exynos5420-oscclk";
+                        clock-frequency = <24000000>;
+                };
+        };
+};
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
new file mode 100644
index 000000000000..8474d63fc5e5
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -0,0 +1,103 @@
+/*
+ * SAMSUNG EXYNOS5420 SoC device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * SAMSUNG EXYNOS54200 SoC device nodes are listed in this file.
+ * EXYNOS5420 based board files can include this file and provide
+ * values for board specfic bindings.
+ *
+ * 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.
+ */
+
+#include "exynos5.dtsi"
+/ {
+        compatible = "samsung,exynos5420";
+
+        cpus {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                cpu0: cpu@0 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a15";
+                        reg = <0x0>;
+                        clock-frequency = <1800000000>;
+                };
+
+                cpu1: cpu@1 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a15";
+                        reg = <0x1>;
+                        clock-frequency = <1800000000>;
+                };
+
+                cpu2: cpu@2 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a15";
+                        reg = <0x2>;
+                        clock-frequency = <1800000000>;
+                };
+
+                cpu3: cpu@3 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a15";
+                        reg = <0x3>;
+                        clock-frequency = <1800000000>;
+                };
+        };
+
+        clock: clock-controller@0x10010000 {
+                compatible = "samsung,exynos5420-clock";
+                reg = <0x10010000 0x30000>;
+                #clock-cells = <1>;
+        };
+
+        mct@101C0000 {
+                compatible = "samsung,exynos4210-mct";
+                reg = <0x101C0000 0x800>;
+                interrupt-controller;
+                #interrups-cells = <1>;
+                interrupt-parent = <&mct_map>;
+                interrupts = <0>, <1>, <2>, <3>, <4>, <5>, <6>, <7>;
+                clocks = <&clock 1>, <&clock 315>;
+                clock-names = "fin_pll", "mct";
+
+                mct_map: mct-map {
+                        #interrupt-cells = <1>;
+                        #address-cells = <0>;
+                        #size-cells = <0>;
+                        interrupt-map = <0 &combiner 23 3>,
+                                        <1 &combiner 23 4>,
+                                        <2 &combiner 25 2>,
+                                        <3 &combiner 25 3>,
+                                        <4 &gic 0 120 0>,
+                                        <5 &gic 0 121 0>,
+                                        <6 &gic 0 122 0>,
+                                        <7 &gic 0 123 0>;
+                };
+        };
+
+        serial@12C00000 {
+                clocks = <&clock 257>, <&clock 128>;
+                clock-names = "uart", "clk_uart_baud0";
+        };
+
+        serial@12C10000 {
+                clocks = <&clock 258>, <&clock 129>;
+                clock-names = "uart", "clk_uart_baud0";
+        };
+
+        serial@12C20000 {
+                clocks = <&clock 259>, <&clock 130>;
+                clock-names = "uart", "clk_uart_baud0";
+        };
+
+        serial@12C30000 {
+                clocks = <&clock 260>, <&clock 131>;
+                clock-names = "uart", "clk_uart_baud0";
+        };
+};