linux-kernel - [PATCH v3 2/3] arm64: dts: imx8mp-evk: Add HDMI audio sound card support

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Date: Wed, 28 Feb 2024 11:30:12 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	linux-imx@....com,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: shengjiu.wang@...il.com
Subject: [PATCH v3 2/3] arm64: dts: imx8mp-evk: Add HDMI audio sound card support

AUD2HTX works as the cpu dai in HDMI audio sound card.
This sound card only support playback/output.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
Acked-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index f87fa5a948cc..0fc6c0d21cd6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -138,6 +138,13 @@ simple-audio-card,codec {
 
 	};
 
+	sound-hdmi {
+		compatible = "fsl,imx-audio-hdmi";
+		model = "audio-hdmi";
+		audio-cpu = <&aud2htx>;
+		hdmi-out;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -191,6 +198,10 @@ &A53_3 {
 	cpu-supply = <&reg_arm>;
 };
 
+&aud2htx {
+	status = "okay";
+};
+
 &eqos {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_eqos>;
-- 
2.34.1