ARM: mxs: convert tx28 board to device tree
FEC support is missing because we need to find a proper way to rewrite
tx28_add_fec0 for device tree boot.
Cc: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/tx28.dts b/arch/arm/boot/dts/tx28.dts
new file mode 100644
index 0000000..62bf767
--- /dev/null
+++ b/arch/arm/boot/dts/tx28.dts
@@ -0,0 +1,97 @@
+/dts-v1/;
+/include/ "imx28.dtsi"
+
+/ {
+ model = "Ka-Ro electronics TX28 module";
+ compatible = "karo,tx28", "fsl,imx28";
+
+ memory {
+ reg = <0x40000000 0x08000000>;
+ };
+
+ apb@80000000 {
+ apbh@80000000 {
+ ssp0: ssp@80010000 {
+ compatible = "fsl,imx28-mmc";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_4bit_pins_a
+ &mmc0_cd_cfg
+ &mmc0_sck_cfg>;
+ bus-width = <4>;
+ status = "okay";
+ };
+
+ pinctrl@80018000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hog_pins_a>;
+
+ hog_pins_a: hog-gpios@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x40a3 /* MX28_PAD_ENET0_RXD3__GPIO_4_10 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+ };
+ };
+
+ apbx@80040000 {
+ i2c0: i2c@80058000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+
+ ds1339: rtc@68 {
+ compatible = "mxim,ds1339";
+ reg = <0x68>;
+ };
+ };
+
+ pwm: pwm@80064000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins_a>;
+ status = "okay";
+ };
+
+ duart: serial@80074000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&duart_4pins_a>;
+ status = "okay";
+ };
+
+ auart1: serial@8006c000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&auart1_pins_a>;
+ status = "okay";
+ };
+ };
+ };
+
+ ahb@80080000 {
+ mac0: ethernet@800f0000 {
+ phy-mode = "rmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac0_pins_a>;
+ status = "okay";
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ user {
+ label = "Heartbeat";
+ gpios = <&gpio4 10 0>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+};