[PATCH 02/15] arm64: dts: mediatek: mt7981b-openwrt-one: Configure UART0 pinmux

Sjoerd Simons sjoerd at collabora.com
Thu Oct 16 03:08:38 PDT 2025


Add explicit pinctrl configuration for UART0 on the OpenWrt One board,

Signed-off-by: Sjoerd Simons <sjoerd at collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
index 968b91f55bb27..f836059d7f475 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
@@ -22,6 +22,17 @@ memory at 40000000 {
 	};
 };
 
+&pio {
+	uart0_pins: uart0-pins {
+		mux {
+			function = "uart";
+			groups = "uart0";
+		};
+	};
+};
+
 &uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };

-- 
2.51.0




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