arm64: dts: imx8mm-nitrogen-r2: add audio

Add audio description and pin muxing.
Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts

@@ -34,6 +34,28 @@ reg_wlan_vmmc: regulator-wlan-vmmc {
 		gpio = <&gpio3 20 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	sound-wm8960 {
+		audio-cpu = <&sai1>;
+		audio-codec = <&wm8960>;
+		audio-routing =
+			"Headphone Jack", "HP_L",
+			"Headphone Jack", "HP_R",
+			"Ext Spk", "SPK_LP",
+			"Ext Spk", "SPK_LN",
+			"Ext Spk", "SPK_RP",
+			"Ext Spk", "SPK_RN",
+			"RINPUT1", "Mic Jack",
+			"Mic Jack", "MICB";
+		compatible = "fsl,imx-audio-wm8960";
+		/* JD2: hp detect high for headphone*/
+		hp-det-gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
+		/* Jack is not stuffed */
+		mic-det-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+		model = "wm8960-audio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_sound_wm8960>;
+	};
 };
 
 &A53_0 {
@@ -204,6 +226,22 @@ rtc@68 {
 	};
 };
 
+&i2c4 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c4>;
+	status = "okay";
+
+	wm8960: codec@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		clocks = <&clk IMX8MM_CLK_SAI1_ROOT>;
+		clock-names = "mclk1";
+		wlf,shared-lrclk;
+		#sound-dai-cells = <0>;
+	};
+};
+
 &pwm1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm1>;
@@ -231,6 +269,18 @@ &pwm4 {
 	status = "okay";
 };
 
+&sai1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai1>;
+	status = "okay";
+};
+
+&sai2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai2>;
+	status = "okay";
+};
+
 /* BT */
 &uart1 {
 	pinctrl-names = "default";
@@ -392,6 +442,13 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
 		>;
 	};
 
+	pinctrl_i2c4: i2c4grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3
+			MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x400001c3
+		>;
+	};
+
 	pinctrl_i2c3a_rv4162: i2c3a-rv4162grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22 0x1c0
@@ -428,6 +485,34 @@ MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x16
 		>;
 	};
 
+	pinctrl_sai1: sai1grp {
+		fsl,pins = <
+			/* wm8960 */
+			MX8MM_IOMUXC_SAI1_MCLK_SAI1_MCLK	0xd6
+			MX8MM_IOMUXC_SAI1_TXFS_SAI1_TX_SYNC	0xd6
+			MX8MM_IOMUXC_SAI1_TXC_SAI1_TX_BCLK	0xd6
+			MX8MM_IOMUXC_SAI1_TXD0_SAI1_TX_DATA0	0xd6
+			MX8MM_IOMUXC_SAI1_RXD0_SAI1_RX_DATA0	0xd6
+		>;
+	};
+
+	pinctrl_sai2: sai2grp {
+		fsl,pins = <
+			/* Bluetooth PCM */
+			MX8MM_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC	0xd6
+			MX8MM_IOMUXC_SAI2_TXC_SAI2_TX_BCLK	0xd6
+			MX8MM_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0	0xd6
+			MX8MM_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0	0xd6
+		>;
+	};
+
+	pinctrl_sound_wm8960: sound-wm8960grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x80
+			MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28	0x80
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140