ARM: dts: imx6dl-wandboard: Add audio support

Wandboard has a sgtl5000 codec.

Add audio support.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6dl-wandboard.dts

@@ -18,6 +18,74 @@
 	memory {
 		reg = <0x10000000 0x40000000>;
 	};
+
+	regulators {
+		compatible = "simple-bus";
+
+		reg_2p5v: 2p5v {
+			compatible = "regulator-fixed";
+			regulator-name = "2P5V";
+			regulator-min-microvolt = <2500000>;
+			regulator-max-microvolt = <2500000>;
+			regulator-always-on;
+		};
+
+		reg_3p3v: 3p3v {
+			compatible = "regulator-fixed";
+			regulator-name = "3P3V";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+	};
+
+	sound {
+		compatible = "fsl,imx6dl-wandboard-sgtl5000",
+			     "fsl,imx-audio-sgtl5000";
+		model = "imx6dl-wandboard-sgtl5000";
+		ssi-controller = <&ssi1>;
+		audio-codec = <&codec>;
+		audio-routing =
+			"MIC_IN", "Mic Jack",
+			"Mic Jack", "Mic Bias",
+			"Headphone Jack", "HP_OUT";
+		mux-int-port = <1>;
+		mux-ext-port = <3>;
+	};
+};
+
+&audmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux_2>;
+	status = "okay";
+};
+
+&i2c2 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2_2>;
+	status = "okay";
+
+	codec: sgtl5000@0a {
+		compatible = "fsl,sgtl5000";
+		reg = <0x0a>;
+		clocks = <&clks 169>;
+		VDDA-supply = <&reg_2p5v>;
+		VDDIO-supply = <&reg_3p3v>;
+	};
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	hog {
+		pinctrl_hog: hoggrp {
+			fsl,pins = <
+				MX6DL_PAD_GPIO_0__CCM_CLKO1    0x130b0
+			>;
+		};
+	};
 };
 
 &fec {
@@ -27,6 +95,11 @@
 	status = "okay";
 };
 
+&ssi1 {
+	fsl,mode = "i2s-slave";
+	status = "okay";
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1_1>;

arch/arm/boot/dts/imx6dl.dtsi

@@ -196,6 +196,13 @@
 							MX6DL_PAD_EIM_D16__I2C2_SDA 0x4001b8b1
 						>;
 					};
+
+					pinctrl_i2c2_2: i2c2grp-2 {
+						fsl,pins = <
+							MX6DL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
+							MX6DL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
+						>;
+					};
 				};
 
 				i2c3 {