From:   Christian Hewitt <christianshewitt@gmail.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Kevin Hilman <khilman@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     Christian Hewitt <christianshewitt@gmail.com>
Subject: [PATCH] arm64: dts: meson: add audio playback to S905X-P212 dts
Date:   Mon, 23 Jan 2023 06:58:34 +0000
Message-Id: <20230123065834.2670125-1-christianshewitt@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Add initial support for the HDMI and Analogue i2s audio outputs.

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

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
index 2602940c2077..c2bc7cec476d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
@@ -7,11 +7,19 @@
 /dts-v1/;
 
 #include "meson-gxl-s905x-p212.dtsi"
+#include <dt-bindings/sound/meson-aiu.h>
 
 / {
 	compatible = "amlogic,p212", "amlogic,s905x", "amlogic,meson-gxl";
 	model = "Amlogic Meson GXL (S905X) P212 Development Board";
 
+	dio2133: analog-amplifier {
+		compatible = "simple-audio-amplifier";
+		sound-name-prefix = "AU2";
+		VCC-supply = <&hdmi_5v>;
+		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+	};
+
 	cvbs-connector {
 		compatible = "composite-video-connector";
 
@@ -32,6 +40,68 @@ hdmi_connector_in: endpoint {
 			};
 		};
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "S905X-P212";
+		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_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 {
-- 
2.34.1