ARM: dts: add support for EXYNOS4412 based TINY4412 board

Add a minimal board dts file for EXYNOS4412 based FriendlyARM's
TINY4412 board. This patch including support peripherals like
UART, SD card on SDMMC2 port and GPIO connected LEDs.

Signed-off-by: Alex Ling <kasimling@gmail.com>
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 8a90624..fa70ea2 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -59,6 +59,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
        exynos4412-odroidx.dtb \
        exynos4412-origen.dtb \
        exynos4412-smdk4412.dtb \
+       exynos4412-tiny4412.dtb \
        exynos4412-trats2.dtb \
        exynos5250-arndale.dtb \
        exynos5250-smdk5250.dtb \

diff --git a/arch/arm/boot/dts/exynos4412-tiny4412.dts b/arch/arm/boot/dts/exynos4412-tiny4412.dts
new file mode 100644 (file)
index 0000000..0a98312
--- /dev/null
+++ b/arch/arm/boot/dts/exynos4412-tiny4412.dts
@@ -0,0 +1,93 @@
+/*
+ * FriendlyARM's Exynos4412 based TINY4412 board device tree source
+ *
+ * Copyright (c) 2013 Alex Ling <kasimling@gmail.com>
+ *
+ * Device tree source file for FriendlyARM's TINY4412 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 = "FriendlyARM TINY4412 board based on Exynos4412";
+       compatible = "friendlyarm,tiny4412", "samsung,exynos4412";
+
+       memory {
+               reg = <0x40000000 0x40000000>;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led1 {
+                       label = "led1";
+                       gpios = <&gpm4 0 1>;
+                       default-state = "off";
+                       linux,default-trigger = "heartbeat";
+               };
+
+               led2 {
+                       label = "led2";
+                       gpios = <&gpm4 1 1>;
+                       default-state = "off";
+               };
+
+               led3 {
+                       label = "led3";
+                       gpios = <&gpm4 2 1>;
+                       default-state = "off";
+               };
+
+               led4 {
+                       label = "led4";
+                       gpios = <&gpm4 3 1>;
+                       default-state = "off";
+                       linux,default-trigger = "mmc0";
+               };
+       };
+
+       rtc@10070000 {
+               status = "okay";
+       };
+
+       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";
+       };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <0>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
+};