From 704dc7d41ab71917dd7c7ee21ce1af36e6e83673 Mon Sep 17 00:00:00 2001
From: tao89959 <1036524114@qq.com>
Date: Tue, 27 Jan 2026 11:05:18 +0800
Subject: [PATCH] loongson: 2k1000: dts: fix uart default as 4 line mode
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Changelog: 2k1000 uart0默认为4线模式
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
---
 arch/loongarch/boot/dts/loongson2k1000.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/loongarch/boot/dts/loongson2k1000.dtsi b/arch/loongarch/boot/dts/loongson2k1000.dtsi
index 91017b357..77b799bb7 100644
--- a/arch/loongarch/boot/dts/loongson2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson2k1000.dtsi
@@ -464,6 +464,8 @@
 			clock-frequency = <125000000>;
 			interrupt-parent = <&liointc0>;
 			interrupts = <0x0 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart0_4_default>;
 			no-loopback-test;
 			status = "okay";
 		};