arm64: dts: uniphier: add compress audio out for LD11/LD20

This patch adds compress audio node for S/PDIF on UniPhier LD11/20
global boards. And adds settings of AIO for it.
Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts

@@ -46,7 +46,8 @@ sound {
 		dais = <&i2s_port2
 			&i2s_port3
 			&i2s_port4
-			&spdif_port0>;
+			&spdif_port0
+			&comp_spdif_port0>;
 	};
 
 	spdif-out {
@@ -59,6 +60,17 @@ spdif_tx: endpoint {
 			};
 		};
 	};
+
+	comp-spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+
+		port@0 {
+			comp_spdif_tx: endpoint {
+				remote-endpoint = <&comp_spdif_hiecout1>;
+			};
+		};
+	};
 };
 
 &serial0 {
@@ -78,6 +90,10 @@ &spdif_hiecout1 {
 	remote-endpoint = <&spdif_tx>;
 };
 
+&comp_spdif_hiecout1 {
+	remote-endpoint = <&comp_spdif_tx>;
+};
+
 &i2c0 {
 	status = "okay";
 

arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts

@@ -46,7 +46,8 @@ sound {
 		dais = <&i2s_port2
 			&i2s_port3
 			&i2s_port4
-			&spdif_port0>;
+			&spdif_port0
+			&comp_spdif_port0>;
 	};
 
 	spdif-out {
@@ -59,6 +60,17 @@ spdif_tx: endpoint {
 			};
 		};
 	};
+
+	comp-spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+
+		port@0 {
+			comp_spdif_tx: endpoint {
+				remote-endpoint = <&comp_spdif_hiecout1>;
+			};
+		};
+	};
 };
 
 &serial0 {
@@ -78,6 +90,10 @@ &spdif_hiecout1 {
 	remote-endpoint = <&spdif_tx>;
 };
 
+&comp_spdif_hiecout1 {
+	remote-endpoint = <&comp_spdif_tx>;
+};
+
 &i2c0 {
 	status = "okay";