linux-kernel - [PATCH 2/2] arm64: dts: meson: p241: add sound support

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Message-Id: <20211130100159.214489-3-jbrunet@baylibre.com>
Date:   Tue, 30 Nov 2021 11:01:59 +0100
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: meson: p241: add sound support

Add the p241 sound card support. This board can play audio through HDMI
and the internal DAC.

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 .../boot/dts/amlogic/meson-gxl-s805x-p241.dts | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-p241.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-p241.dts
index 9d0684a8264b..ff906becd2ab 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-p241.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-p241.dts
@@ -8,6 +8,7 @@
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/sound/meson-aiu.h>
 
 #include "meson-gxl-s805x.dtsi"
 
@@ -21,6 +22,13 @@ aliases {
 		ethernet0 = &ethmac;
 	};
 
+	au2: analog-amplifier {
+		compatible = "simple-audio-amplifier";
+		sound-name-prefix = "AU2";
+		VCC-supply = <&vcc_5v>;
+		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -110,6 +118,68 @@ sdio_pwrseq: sdio-pwrseq {
 		clocks = <&wifi32k>;
 		clock-names = "ext_clock";
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "GXL-P241";
+		audio-aux-devs = <&au2>;
+		audio-widgets = "Line", "Lineout";
+		audio-routing = "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>;
+		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 = <256>;
+
+			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";
 };
 
 &cec_AO {
-- 
2.34.0