linux-kernel - [PATCH 4/7] arm64: dts: allwinner: a64: Add HDMI audio

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Message-Id: <20200426120442.11560-5-peron.clem@gmail.com>
Date:   Sun, 26 Apr 2020 14:04:39 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Marcus Cooper <codekipper@...il.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Clément Péron <peron.clem@...il.com>
Subject: [PATCH 4/7] arm64: dts: allwinner: a64: Add HDMI audio

From: Marcus Cooper <codekipper@...il.com>

Add a simple-soundcard to link audio between HDMI and I2S.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
Signed-off-by: Marcus Cooper <codekipper@...il.com>
Signed-off-by: Clément Péron <peron.clem@...il.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index e56e1e3d4b73..08ab6b5e72a5 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -102,6 +102,25 @@
 		status = "disabled";
 	};
 
+	hdmi_sound: hdmi-sound {
+		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;
+		status = "disabled";
+
+		simple-audio-card,codec {
+			sound-dai = <&hdmi>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s2>;
+			dai-tdm-slot-num = <2>;
+			dai-tdm-slot-width = <32>;
+		};
+	};
+
 	osc24M: osc24M_clk {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
@@ -874,6 +893,7 @@
 			resets = <&ccu RST_BUS_I2S2>;
 			dma-names = "tx";
 			dmas = <&dma 27>;
+			allwinner,playback-channels = <8>;
 			status = "disabled";
 		};
 
@@ -1171,6 +1191,7 @@
 		};
 
 		hdmi: hdmi@...0000 {
+			#sound-dai-cells = <0>;
 			compatible = "allwinner,sun50i-a64-dw-hdmi",
 				     "allwinner,sun8i-a83t-dw-hdmi";
 			reg = <0x01ee0000 0x10000>;
-- 
2.20.1