linux-kernel - [PATCH 7/7] arm64: dts: allwinner: h616: Add SPDIF device node

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Date: Tue, 23 Jan 2024 01:05:18 +0800
From: Chen-Yu Tsai <wens@...nel.org>
To: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Vinod Koul <vkoul@...nel.org>
Cc: Chen-Yu Tsai <wens@...e.org>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-sound@...r.kernel.org,
	dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 7/7] arm64: dts: allwinner: h616: Add SPDIF device node

From: Chen-Yu Tsai <wens@...e.org>

The H616 SoC has an SPDIF transmitter hardware block, which has the same
layout as the one in the H6, minus the receiver side.

Add a device node for it, and a default pinmux.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index a0268439f3be..fd4c080b8e62 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -253,6 +253,11 @@ spi1_cs0_pin: spi1-cs0-pin {
 				function = "spi1";
 			};
 
+			spdif_tx_pin: spdif-tx-pin {
+				pins = "PH4";
+				function = "spdif";
+			};
+
 			uart0_ph_pins: uart0-ph-pins {
 				pins = "PH0", "PH1";
 				function = "uart0";
@@ -550,6 +555,21 @@ mdio0: mdio {
 			};
 		};
 
+		spdif: spdif@...3000 {
+			compatible = "allwinner,sun50i-h616-spdif";
+			reg = <0x05093000 0x400>;
+			interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_SPDIF>, <&ccu CLK_SPDIF>;
+			clock-names = "apb", "spdif";
+			resets = <&ccu RST_BUS_SPDIF>;
+			dmas = <&dma 2>;
+			dma-names = "tx";
+			pinctrl-names = "default";
+			pinctrl-0 = <&spdif_tx_pin>;
+			#sound-dai-cells = <0>;
+			status = "disabled";
+		};
+
 		usbotg: usb@...0000 {
 			compatible = "allwinner,sun50i-h616-musb",
 				     "allwinner,sun8i-h3-musb";
-- 
2.39.2