linux-kernel - [PATCH 5/7] arm64: dts: rockchip: Enable HDMI sound on Luckfox Core3576

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Message-Id: <20251229-rk3576-sound-v1-5-2f59ef0d19b1@gmail.com>
Date: Mon, 29 Dec 2025 14:12:02 +0400
From: Alexey Charkov <alchark@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 John Clark <inindev@...il.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Alexey Charkov <alchark@...il.com>
Subject: [PATCH 5/7] arm64: dts: rockchip: Enable HDMI sound on Luckfox
 Core3576

All RK3576 boards get their HDMI sound from SAI6, which is internally
connected to the HDMI codec. Enable this for Luckfox Core3576

Signed-off-by: Alexey Charkov <alchark@...il.com>
---
 arch/arm64/boot/dts/rockchip/rk3576-luckfox-core3576.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-luckfox-core3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576-luckfox-core3576.dtsi
index 9187012d6fa4..749f0a54b478 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-luckfox-core3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576-luckfox-core3576.dtsi
@@ -246,6 +246,10 @@ hdmi_out_con: endpoint {
 	};
 };
 
+&hdmi_sound {
+	status = "okay";
+};
+
 &hdptxphy {
 	status = "okay";
 };
@@ -691,6 +695,10 @@ &rng {
 	status = "okay";
 };
 
+&sai6 {
+	status = "okay";
+};
+
 &saradc {
 	vref-supply = <&vcca_1v8_s0>;
 	status = "okay";

-- 
2.51.2