linux-kernel - [PATCH 3/3] arm64: dts: rockchip: Enable SPDIF output on H96 Max V58

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Message-Id: <20250120-rk3588-spdif-v1-3-1415f5871dc7@gmail.com>
Date: Mon, 20 Jan 2025 13:01:29 +0400
From: Alexey Charkov <alchark@...il.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-sound@...r.kernel.org, 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 3/3] arm64: dts: rockchip: Enable SPDIF output on H96 Max
 V58

H96 Max V58 has its spdif_tx0 controller wired to a dedicated optical
Toslink SPDIF socket, enable it in the device tree

Signed-off-by: Alexey Charkov <alchark@...il.com>
---
 .../arm64/boot/dts/rockchip/rk3588-h96-max-v58.dts | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-h96-max-v58.dts b/arch/arm64/boot/dts/rockchip/rk3588-h96-max-v58.dts
index 4791b77f3571db3a888c015596b4cc1863fdc3f7..68dd7329de15d873f2a0df85fb84810f9c2907d8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-h96-max-v58.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-h96-max-v58.dts
@@ -140,6 +140,24 @@ vcc5v0_sys: regulator-5v0-sys {
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
 	};
+
+	spdif_dit: spdif-dit {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+	};
+
+	spdif_sound: spdif-sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "SPDIF";
+
+		simple-audio-card,cpu {
+			sound-dai = <&spdif_tx0>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&spdif_dit>;
+		};
+	};
 };
 
 &combphy0_ps {
@@ -400,6 +418,12 @@ &sdhci {
 	status = "okay";
 };
 
+&spdif_tx0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spdif0m1_tx>;
+	status = "okay";
+};
+
 &spi2 {
 	assigned-clocks = <&cru CLK_SPI2>;
 	assigned-clock-rates = <200000000>;

-- 
2.48.1