Subject: [PATCH v1 2/3] riscv: dts: allwinner: d1s-t113: Add uart4 pinctrl required by NetCube Systems OpenNMC

From: Lukas Schmid <[email-masked]>
Date: Thu, 4 Jun 2026 13:52:33 +0200

Added the "uart4_pb_pins" pinctrl used by the OpenNMC

Signed-off-by: Lukas Schmid <[email-masked]>
---
 arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
index 82cc85acccb1..00fddedfa36f 100644
--- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
@@ -191,6 +191,12 @@ uart3_pb_pins: uart3-pb-pins {
 				pins = "PB6", "PB7";
 				function = "uart3";
 			};
+
+			/omit-if-no-ref/
+			uart4_pb_pins: uart4-pb-pins {
+				pins = "PB2", "PB3";
+				function = "uart4";
+			};
 		};
 
 		ccu: clock-controller@2001000 {
-- 
2.47.3