diff --git a/target/linux/ramips/dts/mt7621_mqmaker_witi.dts b/target/linux/ramips/dts/mt7621_mqmaker_witi.dts
index 16cebbad74..d785d741b1 100644
--- a/target/linux/ramips/dts/mt7621_mqmaker_witi.dts
+++ b/target/linux/ramips/dts/mt7621_mqmaker_witi.dts
@@ -102,8 +102,9 @@
 
 &gmac1 {
 	status = "okay";
-	label = "wan";
-	phy-handle = <&ethphy4>;
+	label = "wan2";
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&ethphy5>;
 
 	nvmem-cells = <&macaddr_factory_e000>;
 	nvmem-cell-names = "mac-address";
@@ -111,8 +112,8 @@
 };
 
 &mdio {
-	ethphy4: ethernet-phy@4 {
-		reg = <4>;
+	ethphy5: ethernet-phy@5 {
+		reg = <5>;
 	};
 };
 
@@ -137,6 +138,15 @@
 			status = "okay";
 			label = "lan4";
 		};
+
+		port@4 {
+			status = "okay";
+			label = "wan1";
+
+			nvmem-cells = <&macaddr_factory_e000>;
+			nvmem-cell-names = "mac-address";
+			mac-address-increment = <1>;
+		};
 	};
 };
 
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index 38655ef746..8039c9ede1 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -110,6 +110,9 @@ ramips_setup_interfaces()
 	mikrotik,routerboard-760igs)
 		ucidef_set_interfaces_lan_wan "lan2 lan3 lan4 lan5" "wan sfp"
 		;;
+	mqmaker,witi)
+		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" "wan1 wan2"
+		;;
 	tozed,zlt-s12-pro)
 		ucidef_set_interface_lan "lan1 lan2 lan3 wan"
 		ucidef_set_interface "wwan" device "/dev/ttyUSB0" protocol "ncm"