arm64: dts: ti: verdin-am62: dahlia: add sound card

Add WM8904 based analog sound card to Dahlia carrier board.
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230807202159.13095-5-francesco@dolcini.itSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi

@@ -8,6 +8,43 @@
  * https://www.toradex.com/products/carrier-board/dahlia-carrier-board-kit
  */
 
+/ {
+	reg_1v8_sw: regulator-1v8-sw {
+		compatible = "regulator-fixed";
+		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <1800000>;
+		regulator-name = "On-carrier +V1.8_SW";
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,bitclock-master = <&codec_dai>;
+		simple-audio-card,format = "i2s";
+		simple-audio-card,frame-master = <&codec_dai>;
+		simple-audio-card,name = "verdin-wm8904";
+		simple-audio-card,routing =
+			"Headphone Jack", "HPOUTL",
+			"Headphone Jack", "HPOUTR",
+			"IN2L", "Line In Jack",
+			"IN2R", "Line In Jack",
+			"Headphone Jack", "MICBIAS",
+			"IN1L", "Headphone Jack";
+		simple-audio-card,widgets =
+			"Microphone", "Headphone Jack",
+			"Headphone", "Headphone Jack",
+			"Line", "Line In Jack";
+
+		codec_dai: simple-audio-card,codec {
+			clocks = <&audio_refclk1>;
+			sound-dai = <&wm8904_1a>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&mcasp0>;
+		};
+	};
+};
+
 /* Verdin ETHs */
 &cpsw3g {
 	status = "okay";
@@ -46,6 +83,22 @@ &main_gpio0 {
 &main_i2c1 {
 	status = "okay";
 
+	/* Audio Codec */
+	wm8904_1a: audio-codec@1a {
+		compatible = "wlf,wm8904";
+		reg = <0x1a>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2s1_mclk>;
+		#sound-dai-cells = <0>;
+		clocks = <&audio_refclk1>;
+		clock-names = "mclk";
+		AVDD-supply = <&reg_1v8_sw>;
+		CPVDD-supply = <&reg_1v8_sw>;
+		DBVDD-supply = <&reg_1v8_sw>;
+		DCVDD-supply = <&reg_1v8_sw>;
+		MICVDD-supply = <&reg_1v8_sw>;
+	};
+
 	/* Current measurement into module VCC */
 	hwmon@40 {
 		compatible = "ti,ina219";