From 3f98e35e98b1c57459ab521aef6d24cee833ff8b Mon Sep 17 00:00:00 2001
From: Shiji Yang <yangshiji66@outlook.com>
Date: Mon, 30 Mar 2026 22:56:02 +0800
Subject: [PATCH] ramips: fix WAN LED GPIO for Xiaomi Mi Router 4C

Correct WAN LED GPIO and its pinctrl group.

Fixes: https://github.com/openwrt/openwrt/issues/18578
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/22696
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 74fe4b014c0291589e913a9572047a00dfa7b13e)
---
 target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts b/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts
index a406c8f124..dd06fafd75 100644
--- a/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts
+++ b/target/linux/ramips/dts/mt7628an_xiaomi_mi-router-4c.dts
@@ -34,7 +34,7 @@
 		wan {
 			function = LED_FUNCTION_WAN;
 			color = <LED_COLOR_ID_BLUE>;
-			gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
+			gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
 		};
 
 	};
@@ -59,6 +59,13 @@
 	};
 };
 
+&state_default {
+	gpio {
+		groups = "gpio", "wdt", "p1led_an", "wled_an";
+		function = "gpio";
+	};
+};
+
 &ehci {
 	status = "disabled";
 };