From 86a08466dd986507bbd4d609d2d81d9bfc300999 Mon Sep 17 00:00:00 2001
From: Christian Hewitt <christianshewitt@gmail.com>
Date: Tue, 18 Feb 2020 03:54:58 +0000
Subject: [PATCH 051/101] WIP: arm64: dts: meson: add audio playback to
 s905x-p212 dtsi

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 .../dts/amlogic/meson-gxl-s905x-p212.dtsi     | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
index 43eb7d149e36..ba74f54c5b3f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
@@ -11,6 +11,7 @@
 /* Common DTSI for devices which are based on the P212 reference board. */
 
 #include "meson-gxl-s905x.dtsi"
+#include <dt-bindings/sound/meson-aiu.h>
 
 / {
 	aliases {
@@ -23,6 +24,13 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	dio2133: analog-amplifier {
+		compatible = "simple-audio-amplifier";
+		sound-name-prefix = "AU2";
+		VCC-supply = <&hdmi_5v>;
+		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+	};
+
 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x80000000>;
@@ -86,6 +94,68 @@
 		clocks = <&wifi32k>;
 		clock-names = "ext_clock";
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "GX-SOUND-CARD";
+		audio-aux-devs = <&dio2133>;
+		audio-widgets = "Line", "Lineout";
+		audio-routing = "AU2 INL", "ACODEC LOLN",
+				"AU2 INR", "ACODEC LORN",
+				"Lineout", "AU2 OUTL",
+				"Lineout", "AU2 OUTR";
+		assigned-clocks = <&clkc CLKID_MPLL2>,
+				  <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
+			dai-format = "i2s";
+			mclk-fs = <512>;
+
+			codec-0 {
+				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
+			};
+
+			codec-1 {
+				sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
+			};
+		};
+
+		dai-link-2 {
+			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
+
+			codec-0 {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+
+		dai-link-3 {
+			sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
+
+			codec-0 {
+				sound-dai = <&acodec>;
+			};
+		};
+	};
+};
+
+&acodec {
+	AVDD-supply = <&vddio_ao18>;
+	status = "okay";
+};
+
+&aiu {
+	status = "okay";
 };
 
 &ethmac {
-- 
2.17.1