ARM: dts: Add initial support for Arndale Octa board

Arndale Octa board is based on Exynos5420 SoC. This patch
adds the basic support required for booting it through DT.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d57c1a6..8a90624 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -63,6 +63,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
        exynos5250-arndale.dtb \
        exynos5250-smdk5250.dtb \
        exynos5250-snow.dtb \
+       exynos5420-arndale-octa.dtb \
        exynos5420-smdk5420.dtb \
        exynos5440-sd5v1.dtb \
        exynos5440-ssdk5440.dtb

diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
new file mode 100644 (file)
index 0000000..7340745
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -0,0 +1,66 @@
+/*
+ * Samsung's Exynos5420 based Arndale Octa 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 = "Insignal Arndale Octa evaluation board based on EXYNOS5420";
+       compatible = "insignal,arndale-octa", "samsung,exynos5420";
+
+       memory {
+               reg = <0x20000000 0x80000000>;
+       };
+
+       chosen {
+               bootargs = "console=ttySAC3,115200";
+       };
+
+       fixed-rate-clocks {
+               oscclk {
+                       compatible = "samsung,exynos5420-oscclk";
+                       clock-frequency = <24000000>;
+               };
+       };
+
+       mmc@12200000 {
+               status = "okay";
+               broken-cd;
+               supports-highspeed;
+               card-detect-delay = <200>;
+               samsung,dw-mshc-ciu-div = <3>;
+               samsung,dw-mshc-sdr-timing = <0 4>;
+               samsung,dw-mshc-ddr-timing = <0 2>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>;
+
+               slot@0 {
+                       reg = <0>;
+                       bus-width = <8>;
+               };
+       };
+
+       mmc@12220000 {
+               status = "okay";
+               supports-highspeed;
+               card-detect-delay = <200>;
+               samsung,dw-mshc-ciu-div = <3>;
+               samsung,dw-mshc-sdr-timing = <2 3>;
+               samsung,dw-mshc-ddr-timing = <1 2>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
+
+               slot@0 {
+                       reg = <0>;
+                       bus-width = <4>;
+               };
+       };
+};