linux-kernel - [PATCH 08/11] arm64: dts: allwinner: a523: Add device node for SPDIF block

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Message-ID: <20251020171059.2786070-9-wens@kernel.org>
Date: Tue, 21 Oct 2025 01:10:54 +0800
From: Chen-Yu Tsai <wens@...nel.org>
To: Chen-Yu Tsai <wens@...nel.org>,
	Jernej Skrabec <jernej@...nel.org>,
	Samuel Holland <samuel@...lland.org>,
	Mark Brown <broonie@...nel.org>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Vinod Koul <vkoul@...nel.org>
Cc: linux-sunxi@...ts.linux.dev,
	linux-sound@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 08/11] arm64: dts: allwinner: a523: Add device node for SPDIF block

The A523 has a SPDIF interface that is capable of both playback and
capture.

Add a node for it.

Signed-off-by: Chen-Yu Tsai <wens@...nel.org>
---
 arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index 8edbd3873199..33f991dbd00b 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -818,6 +818,21 @@ mcu_ccu: clock-controller@...2000 {
 			#reset-cells = <1>;
 		};
 
+		spdif: spdif@...6000 {
+			compatible = "allwinner,sun55i-a523-spdif";
+			reg = <0x07116000 0x400>;
+			interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&mcu_ccu CLK_BUS_MCU_SPDIF>,
+				 <&mcu_ccu CLK_MCU_SPDIF_TX>,
+				 <&mcu_ccu CLK_MCU_SPDIF_RX>;
+			clock-names = "apb", "tx", "rx";
+			resets = <&mcu_ccu RST_BUS_MCU_SPDIF>;
+			dmas = <&mcu_dma 2>, <&mcu_dma 2>;
+			dma-names = "rx", "tx";
+			#sound-dai-cells = <0>;
+			status = "disabled";
+		};
+
 		mcu_dma: dma-controller@...1000 {
 			compatible = "allwinner,sun55i-a523-mcu-dma",
 				     "allwinner,sun50i-a100-dma";
-- 
2.47.3