linux-kernel - [PATCH] arm64: dts: rockchip: add support for sound output over HDMI on RK3399 Puma Haikou

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Message-Id: <20250130-rk3399-hdmi-audio-v1-1-406244333111@cherry.de>
Date: Thu, 30 Jan 2025 16:14:25 +0100
From: Quentin Schulz <foss+kernel@...il.net>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Quentin Schulz <quentin.schulz@...rry.de>
Subject: [PATCH] arm64: dts: rockchip: add support for sound output over
 HDMI on RK3399 Puma Haikou

From: Quentin Schulz <quentin.schulz@...rry.de>

The Haikou carrierboard exposes an HDMI connector and audio can also
be output, therefore let's enable it on RK3399 Puma.

Signed-off-by: Quentin Schulz <quentin.schulz@...rry.de>
---
 arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index 947bbd62a6b09ce55320d0889ee8cf50ca59dfd4..a60779bbbaaa54ebc5060907ab876a4d679f7da3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
@@ -154,6 +154,10 @@ &hdmi {
 	status = "okay";
 };
 
+&hdmi_sound {
+	status = "okay";
+};
+
 &i2c1 {
 	status = "okay";
 	clock-frequency = <400000>;
@@ -191,6 +195,10 @@ &i2c6 {
 	clock-frequency = <400000>;
 };
 
+&i2s2 {
+	status = "okay";
+};
+
 &pcie_phy {
 	status = "okay";
 };

---
base-commit: 72deda0abee6e705ae71a93f69f55e33be5bca5c
change-id: 20250130-rk3399-hdmi-audio-b130c2bd5c81

Best regards,
-- 
Quentin Schulz <quentin.schulz@...rry.de>