arm64: dts: meson: p230-q200: add internal DAC support

Add the necessary bits to support the internal audio DAC the p230/q200
reference design derivated boards. The output of this DAC is provided
on the 3.5mm jack connector
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200506221656.477379-3-jbrunet@baylibre.com

arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi

@@ -16,6 +16,13 @@ aliases {
 		ethernet0 = &ethmac;
 	};
 
+	dio2133: analog-amplifier {
+		compatible = "simple-audio-amplifier";
+		sound-name-prefix = "AU2";
+		VCC-supply = <&hdmi_5v>;
+		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+	};
+
 	spdif_dit: audio-codec-0 {
 		#sound-dai-cells = <0>;
 		compatible = "linux,spdif-dit";
@@ -115,6 +122,14 @@ hdmi_connector_in: endpoint {
 	sound {
 		compatible = "amlogic,gx-sound-card";
 		model = "GX-P230-Q200";
+		audio-aux-devs = <&dio2133>;
+		audio-widgets = "Line", "Lineout";
+		audio-routing = "AU2 INL", "ACODEC LOLP",
+				"AU2 INR", "ACODEC LORP",
+				"AU2 INL", "ACODEC LOLN",
+				"AU2 INR", "ACODEC LORN",
+				"Lineout", "AU2 OUTL",
+				"Lineout", "AU2 OUTR";
 		assigned-clocks = <&clkc CLKID_MPLL0>,
 				  <&clkc CLKID_MPLL1>,
 				  <&clkc CLKID_MPLL2>;
@@ -140,6 +155,10 @@ dai-link-2 {
 			codec-0 {
 				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
 			};
+
+			codec-1 {
+				sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
+			};
 		};
 
 		dai-link-3 {
@@ -157,9 +176,22 @@ codec-0 {
 				sound-dai = <&hdmi_tx>;
 			};
 		};
+
+		dai-link-5 {
+			sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
+
+			codec-0 {
+				sound-dai = <&acodec>;
+			};
+		};
 	};
 };
 
+&acodec {
+	AVDD-supply = <&vddio_ao18>;
+	status = "okay";
+};
+
 &aiu {
 	status = "okay";
 	pinctrl-0 = <&spdif_out_h_pins>;