arm64: dts: rockchip: enable rk809 audio codec on the rk3568 evb1-v10

Enable the Rockchip RK809 audio codec on the Rockchip RK3568
EVB1-V10. This requires the VCCIO_ACODEC voltage regulator to be set
to always on.
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220222175004.1308990-2-michael.riesch@wolfvision.netSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts

@@ -47,6 +47,20 @@ led_work: led-0 {
 		};
 	};
 
+	rk809-sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,name = "Analog RK809";
+		simple-audio-card,mclk-fs = <256>;
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s1_8ch>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&rk809>;
+		};
+	};
+
 	vcc3v3_sys: vcc3v3-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v3_sys";
@@ -200,10 +214,15 @@ rk809: pmic@20 {
 		reg = <0x20>;
 		interrupt-parent = <&gpio0>;
 		interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
+		assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
+		assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
 		#clock-cells = <1>;
+		clock-names = "mclk";
+		clocks = <&cru I2S1_MCLKOUT_TX>;
 		pinctrl-names = "default";
-		pinctrl-0 = <&pmic_int>;
+		pinctrl-0 = <&pmic_int>, <&i2s1m0_mclk>;
 		rockchip,system-power-controller;
+		#sound-dai-cells = <0>;
 		vcc1-supply = <&vcc3v3_sys>;
 		vcc2-supply = <&vcc3v3_sys>;
 		vcc3-supply = <&vcc3v3_sys>;
@@ -318,6 +337,7 @@ regulator-state-mem {
 
 			vccio_acodec: LDO_REG4 {
 				regulator-name = "vccio_acodec";
+				regulator-always-on;
 				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
 
@@ -402,6 +422,10 @@ regulator-state-mem {
 				};
 			};
 		};
+
+		codec {
+			mic-in-differential;
+		};
 	};
 };
 
@@ -422,6 +446,11 @@ touchscreen0: goodix@14 {
 	};
 };
 
+&i2s1_8ch {
+	rockchip,trcm-sync-tx-only;
+	status = "okay";
+};
+
 &mdio0 {
 	rgmii_phy0: ethernet-phy@0 {
 		compatible = "ethernet-phy-ieee802.3-c22";