[PATCH v2 08/10] arm64: dts: allwinner: a523: Add I2S2 pins on PI pin group
From: Chen-Yu Tsai <wens@kernel.org>
Date: 2025-10-27 12:57:01
Also in:
dmaengine, linux-devicetree, linux-sound, linux-sunxi, lkml
Subsystem:
arm/allwinner sunxi soc support, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Torvalds
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. Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Chen-Yu Tsai <wens@kernel.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@2000000 { 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