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.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251027125655.793277-9-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index eea9ce83783c0cd4ea08d3ed3d97515eaefbaa41..cebd8e16e845f49ddad85d21720a3b3958ab6324 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -145,6 +145,14 @@
                        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>;