ARM: dts: imx6sll-evk: Add audio sound card node

Add audio sound card node, which depends on codec node,
SSI node, audmux node.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6sll-evk.dts

@@ -132,6 +132,31 @@ panel_in: endpoint {
 			};
 		};
 	};
+
+	sound {
+		compatible = "fsl,imx6sl-evk-wm8962", "fsl,imx-audio-wm8962";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_hp>;
+		model = "wm8962-audio";
+		audio-cpu = <&ssi2>;
+		audio-codec = <&wm8962>;
+		audio-routing =
+			"Headphone Jack", "HPOUTL",
+			"Headphone Jack", "HPOUTR",
+			"Ext Spk", "SPKOUTL",
+			"Ext Spk", "SPKOUTR",
+			"AMIC", "MICBIAS",
+			"IN3R", "AMIC";
+		mux-int-port = <2>;
+		mux-ext-port = <3>;
+		hp-det-gpio = <&gpio4 24 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&audmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux3>;
+	status = "okay";
 };
 
 &cpu0 {
@@ -247,6 +272,27 @@ vgen6_reg: vgen6 {
 	};
 };
 
+&i2c3 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	wm8962: audio-codec@1a {
+		compatible = "wlf,wm8962";
+		reg = <0x1a>;
+		clocks = <&clks IMX6SLL_CLK_EXTERN_AUDIO>;
+		DCVDD-supply = <&vgen3_reg>;
+		DBVDD-supply = <&reg_aud3v>;
+		AVDD-supply = <&vgen3_reg>;
+		CPVDD-supply = <&vgen3_reg>;
+		MICVDD-supply = <&reg_aud3v>;
+		PLLVDD-supply = <&vgen3_reg>;
+		SPKVDD1-supply = <&reg_aud4v>;
+		SPKVDD2-supply = <&reg_aud4v>;
+	};
+};
+
 &lcdif {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_lcd>;
@@ -274,6 +320,10 @@ &snvs_pwrkey {
 	status = "okay";
 };
 
+&ssi2 {
+	status = "okay";
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
@@ -330,6 +380,22 @@ &wdog1 {
 };
 
 &iomuxc {
+	pinctrl_audmux3: audmux3grp {
+		fsl,pins = <
+			MX6SLL_PAD_AUD_TXC__AUD3_TXC		0x4130b0
+			MX6SLL_PAD_AUD_TXFS__AUD3_TXFS		0x4130b0
+			MX6SLL_PAD_AUD_TXD__AUD3_TXD		0x4110b0
+			MX6SLL_PAD_AUD_RXD__AUD3_RXD		0x4130b0
+			MX6SLL_PAD_AUD_MCLK__AUDIO_CLK_OUT	0x4130b0
+		>;
+	};
+
+	pinctrl_hp: hpgrp {
+		fsl,pins = <
+			MX6SLL_PAD_GPIO4_IO24__GPIO4_IO24 0x17059 /* HP DETECT */
+		>;
+	};
+
 	pinctrl_reg_sd3_vmmc: sd3vmmcgrp {
 		fsl,pins = <
 			MX6SLL_PAD_KEY_COL6__GPIO4_IO04 0x17059
@@ -449,6 +515,13 @@ MX6SLL_PAD_I2C1_SDA__I2C1_SDA	 0x4001b8b1
 		>;
 	};
 
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX6SLL_PAD_AUD_RXFS__I2C3_SCL  0x4041b8b1
+			MX6SLL_PAD_AUD_RXC__I2C3_SDA   0x4041b8b1
+		>;
+	};
+
 	pinctrl_lcd: lcdgrp {
 		fsl,pins = <
 			MX6SLL_PAD_LCD_DATA00__LCD_DATA00	0x79