arm64: dts: imx8mp-verdin: add HDMI audio support

Add native HDMI audio to Verdin iMX8MP and all its carriers boards.

Signed-off-by: João Paulo Gonçalves <joao.goncalves@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-verdin-dahlia.dtsi

@@ -65,6 +65,11 @@
 	};
 };
 
+/* Verdin HDMI_1 Audio */
+&aud2htx {
+	status = "okay";
+};
+
 &backlight {
 	power-supply = <&reg_3p3v>;
 };
@@ -219,6 +224,11 @@
 	status = "okay";
 };
 
+/* Verdin HDMI_1 Audio */
+&sound_hdmi {
+	status = "okay";
+};
+
 /* Verdin UART_1 */
 &uart1 {
 	status = "okay";

arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi

@@ -64,6 +64,11 @@
 	};
 };
 
+/* Verdin HDMI_1 Audio */
+&aud2htx {
+	status = "okay";
+};
+
 &backlight {
 	power-supply = <&reg_3p3v>;
 };
@@ -215,6 +220,11 @@
 	status = "okay";
 };
 
+/* Verdin HDMI_1 Audio */
+&sound_hdmi {
+	status = "okay";
+};
+
 /* Verdin UART_1, connector X50 through RS485 transceiver */
 &uart1 {
 	linux,rs485-enabled-at-boot-time;

arch/arm64/boot/dts/freescale/imx8mp-verdin-mallow.dtsi

@@ -62,6 +62,11 @@
 	};
 };
 
+/* Verdin HDMI_1 Audio */
+&aud2htx {
+	status = "okay";
+};
+
 &backlight {
 	power-supply = <&reg_3p3v>;
 };
@@ -182,6 +187,11 @@
 	vin-supply = <&reg_3p3v>;
 };
 
+/* Verdin HDMI_1 Audio */
+&sound_hdmi {
+	status = "okay";
+};
+
 /* Verdin UART_1 */
 &uart1 {
 	status = "okay";

arch/arm64/boot/dts/freescale/imx8mp-verdin-yavia.dtsi

@@ -85,6 +85,11 @@
 	};
 };
 
+/* Verdin HDMI_1 Audio */
+&aud2htx {
+	status = "okay";
+};
+
 &backlight {
 	power-supply = <&reg_3p3v>;
 };
@@ -192,6 +197,11 @@
 	vin-supply = <&reg_3p3v>;
 };
 
+/* Verdin HDMI_1 Audio */
+&sound_hdmi {
+	status = "okay";
+};
+
 /* Verdin UART_1 */
 &uart1 {
 	status = "okay";

arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi

@@ -77,6 +77,14 @@
 		};
 	};
 
+	sound_hdmi: sound-hdmi {
+		compatible = "fsl,imx-audio-hdmi";
+		model = "audio-hdmi";
+		audio-cpu = <&aud2htx>;
+		hdmi-out;
+		status = "disabled";
+	};
+
 	/* Carrier Board Supplies */
 	reg_1p8v: regulator-1p8v {
 		compatible = "regulator-fixed";