ARM: dts: Add board dts file for ODROID-X

Add initial DT for Hardkernel's ODROID-X board based on EXYNOS4412
SoC. This patch including adds the node to support fixed voltage for
peripherals like LED, ethernet controller, and this patch adds GPIO
connected LEDS on ODROID-X board and configure its properties like
following:
LED1: use 'heartbeat' trigger, blinking while the board is running.
LED2: use 'mmc0' trigger, on when mmc0 is accessing.

And adds the device node to support eMMC storage on SDCARD4 ports,
controlled by MSHC.

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Acked-by: Olof Johansson <olof@lixom.net>
[kgene.kim@samsung.com: squashed into one commit as per Olof's comment]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 94 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index a4566b5464af..686cf4d8aa5f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -42,6 +42,7 @@ dtb-$(CONFIG_ARCH_DOVE) += dove-cm-a510.dtb \
 dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
         exynos4210-smdkv310.dtb \
         exynos4210-trats.dtb \
+        exynos4412-odroidx.dtb \
         exynos4412-smdk4412.dtb \
         exynos4412-origen.dtb \
         exynos5250-smdk5250.dtb \
diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts
new file mode 100644
index 000000000000..f41a84e00f5d
--- /dev/null
+++ b/arch/arm/boot/dts/exynos4412-odroidx.dts
@@ -0,0 +1,93 @@
+/*
+ * Hardkernel's Exynos4412 based ODROID-X board device tree source
+ *
+ * Copyright (c) 2012 Dongjin Kim <tobetter@gmail.com>
+ *
+ * Device tree source file for Hardkernel's ODROID-X 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 = "Hardkernel ODROID-X board based on Exynos4412";
+        compatible = "hardkernel,odroid-x", "samsung,exynos4412";
+
+        memory {
+                reg = <0x40000000 0x40000000>;
+        };
+
+        leds {
+                compatible = "gpio-leds";
+                led1 {
+                        label = "led1:heart";
+                        gpios = <&gpc1 0 1>;
+                        default-state = "on";
+                        linux,default-trigger = "heartbeat";
+                };
+                led2 {
+                        label = "led2:mmc0";
+                        gpios = <&gpc1 2 1>;
+                        default-state = "on";
+                        linux,default-trigger = "mmc0";
+                };
+        };
+
+        mshc@12550000 {
+                pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
+                pinctrl-names = "default";
+                status = "okay";
+
+                num-slots = <1>;
+                supports-highspeed;
+                broken-cd;
+                fifo-depth = <0x80>;
+                card-detect-delay = <200>;
+                samsung,dw-mshc-ciu-div = <3>;
+                samsung,dw-mshc-sdr-timing = <2 3 3>;
+                samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+                slot@0 {
+                        reg = <0>;
+                        bus-width = <8>;
+                };
+        };
+
+        regulator_p3v3 {
+                compatible = "regulator-fixed";
+                regulator-name = "p3v3_en";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                gpio = <&gpa1 1 1>;
+                enable-active-high;
+                regulator-boot-on;
+        };
+
+        sdhci@12530000 {
+                bus-width = <4>;
+                pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
+                pinctrl-names = "default";
+                status = "okay";
+        };
+
+        serial@13800000 {
+                status = "okay";
+        };
+
+        serial@13810000 {
+                status = "okay";
+        };
+
+        serial@13820000 {
+                status = "okay";
+        };
+
+        serial@13830000 {
+                status = "okay";
+        };
+};