diff --git a/target/linux/ramips/dts/MT7621.dts b/target/linux/ramips/dts/MT7621.dts
index 41a1fe4cab..c90fc9511c 100644
--- a/target/linux/ramips/dts/MT7621.dts
+++ b/target/linux/ramips/dts/MT7621.dts
@@ -22,4 +22,13 @@
 	xhci@1E1C0000 {
 		status = "okay";
 	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "i2c", "uart2", "uart3", "rgmii2", "sdhci";
+				ralink,function = "gpio";
+			};
+		};
+	};
 };