openwrt/target/linux/d1/patches-6.1/0072-riscv-dts-allwinner-d1-Add-SPDIF-support.patch

From 36153e325aa912268a5a5d4574dc7092e67c8008 Mon Sep 17 00:00:00 2001
From: Samuel Holland <[email protected]>
Date: Wed, 17 Aug 2022 01:54:46 -0500
Subject: [PATCH 072/117] riscv: dts: allwinner: d1: Add SPDIF support

Signed-off-by: Samuel Holland <[email protected]>
---
 arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

--- a/arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi
@@ -333,6 +333,22 @@
 			#sound-dai-cells = <0>;
 		};
 
+		// TODO: add receive functionality
+		spdif: spdif@2036000 {
+			compatible = "allwinner,sun20i-d1-spdif";
+			reg = <0x2036000 0x400>;
+			interrupts = <39 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_SPDIF>,
+				 <&ccu CLK_SPDIF_RX>,
+				 <&ccu CLK_SPDIF_TX>;
+			clock-names = "apb", "rx", "tx";
+			resets = <&ccu RST_BUS_SPDIF>;
+			dmas = <&dma 2>, <&dma 2>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+			#sound-dai-cells = <0>;
+		};
+
 		timer: timer@2050000 {
 			compatible = "allwinner,sun20i-d1-timer",
 				     "allwinner,sun8i-a23-timer";