Lakka-rk322x/projects/Allwinner/devices/A64/patches/linux/0001-HACK-a64-Add-HDMI-sound-card.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 16 Jan 2021 10:49:00 +0100
Subject: [PATCH] HACK: a64: Add HDMI sound card

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 57786fc120c3..2e671a45fdd0 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -154,6 +154,24 @@ link_codec: simple-audio-card,codec {
 		};
 	};
 
+	sound_hdmi: sound_hdmi {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,name = "allwinner-hdmi";
+		simple-audio-card,mclk-fs = <128>;
+		simple-audio-card,frame-inversion;
+
+		simple-audio-card,codec {
+			sound-dai = <&hdmi>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s2>;
+			dai-tdm-slot-num = <2>;
+			dai-tdm-slot-width = <32>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		allwinner,erratum-unknown1;
@@ -861,7 +879,6 @@ i2s2: i2s@1c22800 {
 			resets = <&ccu RST_BUS_I2S2>;
 			dma-names = "rx", "tx";
 			dmas = <&dma 27>, <&dma 27>;
-			status = "disabled";
 		};
 
 		dai: dai@1c22c00 {
@@ -1161,6 +1178,7 @@ deinterlace: deinterlace@1e00000 {
 		};
 
 		hdmi: hdmi@1ee0000 {
+			#sound-dai-cells = <0>;
 			compatible = "allwinner,sun50i-a64-dw-hdmi",
 				     "allwinner,sun8i-a83t-dw-hdmi";
 			reg = <0x01ee0000 0x10000>;