linux-kernel - [PATCH 10/11] arm64: dts: allwinner: a523: Add I2S2 pins on PI pin group

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Message-ID: <20251020171059.2786070-11-wens@kernel.org>
Date: Tue, 21 Oct 2025 01:10:56 +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 10/11] arm64: dts: allwinner: a523: Add I2S2 pins on PI pin group

The Radxa Cubie A5E exposes I2S2 through the PI pin group on the 40-pin
GPIO header.

Add a pinmux setting for it so potential users can directly reference
it.

Signed-off-by: Chen-Yu Tsai <wens@...nel.org>
---
 arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index eea9ce83783c..cebd8e16e845 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -145,6 +145,14 @@ pio: pinctrl@...0000 {
 			interrupt-controller;
 			#interrupt-cells = <3>;
 
+			/omit-if-no-ref/
+			i2s2_pi_pins: i2s2-pi-pins {
+				pins = "PI2", "PI3", "PI4", "PI5";
+				allwinner,pinmux = <5>;
+				function = "i2s2";
+				bias-disable;
+			};
+
 			mmc0_pins: mmc0-pins {
 				pins = "PF0" ,"PF1", "PF2", "PF3", "PF4", "PF5";
 				allwinner,pinmux = <2>;
-- 
2.47.3