From 5b0fd777eb345036fc8de9ec1c6c7b6966d90be7 Mon Sep 17 00:00:00 2001
From: Lukas Schmid <lukas.schmid@netcube.li>
Date: Sat, 6 Jun 2026 22:54:42 +0200
Subject: [PATCH] riscv: dts: allwinner: d1s-t113: Add uart4 pinctrl required
 by NetCube Systems OpenNMC

Added the "uart4_pb_pins" pinctrl used by the OpenNMC

Signed-off-by: Lukas Schmid <lukas.schmid@netcube.li>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20260606205452.2386930-3-lukas.schmid@netcube.li
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
---
 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 a810ad3eb2a2..13b1e5716604 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 {