ARM: dts: uniphier: add sound node for PXs2

This patch adds audio controller, external codec and simple card node
of UniPhier AIO sound system for PXs2 SoCs.

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/boot/dts/uniphier-pxs2-gentil.dts

@@ -32,6 +32,12 @@ memory@80000000 {
 		device_type = "memory";
 		reg = <0x80000000 0x80000000>;
 	};
+
+	sound {
+		compatible = "audio-graph-card";
+		label = "UniPhier PXs2";
+		dais = <&i2s_port2>;
+	};
 };
 
 &serial2 {
@@ -48,8 +54,26 @@ eeprom@54 {
 	};
 };
 
+&i2s_aux {
+	dai-format = "i2s";
+	remote-endpoint = <&wm_speaker>;
+};
+
 &i2c2 {
 	status = "okay";
+
+	wm8960@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		#sound-dai-cells = <0>;
+
+		port@0 {
+			wm_speaker: endpoint {
+				dai-format = "i2s";
+				remote-endpoint = <&i2s_aux>;
+			};
+		};
+	};
 };
 
 &eth {

arch/arm/boot/dts/uniphier-pxs2-vodka.dts

@@ -30,12 +30,49 @@ memory@80000000 {
 		device_type = "memory";
 		reg = <0x80000000 0x80000000>;
 	};
+
+	sound {
+		compatible = "audio-graph-card";
+		label = "UniPhier PXs2";
+		dais = <&spdif_port0
+			&comp_spdif_port0>;
+	};
+
+	spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+
+		port@0 {
+			spdif_tx: endpoint {
+				remote-endpoint = <&spdif_hiecout1>;
+			};
+		};
+	};
+
+	comp-spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+
+		port@0 {
+			comp_spdif_tx: endpoint {
+				remote-endpoint = <&comp_spdif_hiecout1>;
+			};
+		};
+	};
 };
 
 &serial2 {
 	status = "okay";
 };
 
+&spdif_hiecout1 {
+	remote-endpoint = <&spdif_tx>;
+};
+
+&comp_spdif_hiecout1 {
+	remote-endpoint = <&comp_spdif_tx>;
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/boot/dts/uniphier-pxs2.dtsi

@@ -225,6 +225,60 @@ gpio: gpio@55000000 {
 						     <21 217 3>;
 		};
 
+		audio@56000000 {
+			compatible = "socionext,uniphier-pxs2-aio";
+			reg = <0x56000000 0x80000>;
+			interrupts = <0 144 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_ain1>,
+				    <&pinctrl_ain2>,
+				    <&pinctrl_ainiec1>,
+				    <&pinctrl_aout2>,
+				    <&pinctrl_aout3>,
+				    <&pinctrl_aoutiec1>,
+				    <&pinctrl_aoutiec2>;
+			clock-names = "aio";
+			clocks = <&sys_clk 40>;
+			reset-names = "aio";
+			resets = <&sys_rst 40>;
+			#sound-dai-cells = <1>;
+
+			i2s_port0: port@0 {
+				i2s_hdmi: endpoint {
+				};
+			};
+
+			i2s_port1: port@1 {
+				i2s_line: endpoint {
+				};
+			};
+
+			i2s_port2: port@2 {
+				i2s_aux: endpoint {
+				};
+			};
+
+			spdif_port0: port@3 {
+				spdif_hiecout1: endpoint {
+				};
+			};
+
+			spdif_port1: port@4 {
+				spdif_iecout1: endpoint {
+				};
+			};
+
+			comp_spdif_port0: port@5 {
+				comp_spdif_hiecout1: endpoint {
+				};
+			};
+
+			comp_spdif_port1: port@6 {
+				comp_spdif_iecout1: endpoint {
+				};
+			};
+		};
+
 		i2c0: i2c@58780000 {
 			compatible = "socionext,uniphier-fi2c";
 			status = "disabled";