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

Chen-Yu Tsai
2025-10-20T17:11:22Z

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@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