[PATCH 3/4] arm64: dts: allwinner: sun55i-a523: add I2C0 and I2C1 pin groups

[Mikhail Kalashnikov]

Add the pin groups for the I2C0 (PH0/PH1) and I2C1 (PH2/PH3) controllers
that used on some A523 boards.

Assisted-by: OpenCode:DeepSeek-V4.1-Flash
Signed-off-by: Mikhail Kalashnikov <iuncuim at gmail.com>
---
 arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index 85ef492ff..0ec5d19f7 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -147,6 +147,24 @@ pio: pinctrl at 2000000 {
 			interrupt-controller;
 			#interrupt-cells = <3>;
 
+			/omit-if-no-ref/
+			i2c0_pins: i2c0-pins {
+				pins = "PH0", "PH1";
+				function = "i2c0";
+				allwinner,pinmux = <2>;
+				drive-strength = <10>;
+				bias-pull-up;
+			};
+
+			/omit-if-no-ref/
+			i2c1_pins: i2c1-pins {
+				pins = "PH2", "PH3";
+				function = "i2c1";
+				allwinner,pinmux = <2>;
+				drive-strength = <10>;
+				bias-pull-up;
+			};
+
 			/omit-if-no-ref/
 			i2s2_pi_pins: i2s2-pi-pins {
 				pins = "PI2", "PI3", "PI4", "PI5";
-- 
2.55.0