ARM: mxs: convert apx4devkit board to device tree

Tested-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/apx4devkit.dts b/arch/arm/boot/dts/apx4devkit.dts
new file mode 100644
index 0000000..04664bc
--- /dev/null
+++ b/arch/arm/boot/dts/apx4devkit.dts
@@ -0,0 +1,143 @@
+/dts-v1/;
+/include/ "imx28.dtsi"
+
+/ {
+	model = "Bluegiga APX4 Development Kit";
+	compatible = "bluegiga,apx4devkit", "fsl,imx28";
+
+	memory {
+		reg = <0x40000000 0x04000000>;
+	};
+
+	apb@80000000 {
+		apbh@80000000 {
+			ssp0: ssp@80010000 {
+				compatible = "fsl,imx28-mmc";
+				pinctrl-names = "default";
+				pinctrl-0 = <&mmc0_8bit_pins_a
+					     &mmc0_cd_cfg
+					     &mmc0_sck_cfg>;
+				bus-width = <8>;
+				status = "okay";
+			};
+
+			pinctrl@80018000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&hog_pins_a>;
+
+				hog_pins_a: hog-gpios@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */
+					>;
+					fsl,drive-strength = <0>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+			};
+		};
+
+		apbx@80040000 {
+			saif0: saif@80042000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&saif0_pins_a>;
+				status = "okay";
+			};
+
+			saif1: saif@80046000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&saif1_pins_a>;
+				fsl,saif-master = <&saif0>;
+				status = "okay";
+			};
+
+			i2c0: i2c@80058000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c0_pins_a>;
+				status = "okay";
+
+				sgtl5000: codec@0a {
+					compatible = "fsl,sgtl5000";
+					reg = <0x0a>;
+					VDDA-supply = <&reg_3p3v>;
+					VDDIO-supply = <&reg_3p3v>;
+
+				};
+
+				pcf8563: rtc@51 {
+					compatible = "phg,pcf8563";
+					reg = <0x51>;
+				};
+			};
+
+			duart: serial@80074000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&duart_pins_a>;
+				status = "okay";
+			};
+
+			auart0: serial@8006a000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart0_pins_a>;
+				status = "okay";
+			};
+
+			auart1: serial@8006c000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart1_2pins_a>;
+				status = "okay";
+			};
+
+			auart2: serial@8006e000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart2_2pins_a>;
+				status = "okay";
+			};
+
+			auart3: serial@80070000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart3_2pins_a>;
+				status = "okay";
+			};
+		};
+	};
+
+	ahb@80080000 {
+		mac0: ethernet@800f0000 {
+			phy-mode = "rmii";
+			pinctrl-names = "default";
+			pinctrl-0 = <&mac0_pins_a>;
+			status = "okay";
+		};
+	};
+
+	regulators {
+		compatible = "simple-bus";
+
+		reg_3p3v: 3p3v {
+			compatible = "regulator-fixed";
+			regulator-name = "3P3V";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+	};
+
+	sound {
+		compatible = "bluegiga,apx4devkit-sgtl5000",
+			     "fsl,mxs-audio-sgtl5000";
+		model = "apx4devkit-sgtl5000";
+		saif-controllers = <&saif0 &saif1>;
+		audio-codec = <&sgtl5000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		user {
+			label = "Heartbeat";
+			gpios = <&gpio3 28 0>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};