linux-kernel - [PATCH] ARM: dts: allwinner: orangepi-zero: Enable audio codec

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Message-Id: <20250418-opz-audio-v1-1-4e86bb5bc734@posteo.net>
Date: Fri, 18 Apr 2025 01:32:49 +0200
From: J. Neuschäfer via B4 Relay <devnull+j.ne.posteo.net@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>, 
 Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 J. Neuschäfer <j.ne@...teo.net>
Subject: [PATCH] ARM: dts: allwinner: orangepi-zero: Enable audio codec

From: "J. Neuschäfer" <j.ne@...teo.net>

Line out playback and microphone capture work, after enabling the
corresponding ALSA controls. Tested with the Orange Pi Zero interface
board, which is a (mostly) passive adapter from the 13-pin header to
standard connectors (2x USB A, 1x Audio/Video output, 1x built-in
microphone).

  https://orangepi.com/index.php?route=product/product&product_id=871

Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
---
 arch/arm/boot/dts/allwinner/sun8i-h2-plus-orangepi-zero.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/allwinner/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/allwinner/sun8i-h2-plus-orangepi-zero.dts
index 1b001f2ad0efd2e77218742efe6d8edfdd18a816..d65ede3dd6ed1206248a39c91e46065684e7ba29 100644
--- a/arch/arm/boot/dts/allwinner/sun8i-h2-plus-orangepi-zero.dts
+++ b/arch/arm/boot/dts/allwinner/sun8i-h2-plus-orangepi-zero.dts
@@ -112,6 +112,14 @@ wifi_pwrseq: pwrseq {
 	};
 };

+&codec {
+	allwinner,audio-routing =
+		"Line Out", "LINEOUT",
+		"MIC1", "Mic",
+		"Mic",  "MBIAS";
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&reg_vdd_cpux>;
 };

---
base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
change-id: 20250417-opz-audio-890849c8bb2e

Best regards,
-- 
J. Neuschäfer <j.ne@...teo.net>