diff --git a/target/linux/ramips/dts/mt7621_xiaomi_mir4.dts b/target/linux/ramips/dts/mt7621_xiaomi_mir4.dts
index 721497d32..08bd719bc 100644
--- a/target/linux/ramips/dts/mt7621_xiaomi_mir4.dts
+++ b/target/linux/ramips/dts/mt7621_xiaomi_mir4.dts
@@ -14,7 +14,7 @@
 		led-failsafe = &led_status_red;
 		led-running = &led_status_blue;
 		led-upgrade = &led_status_yellow;
-		label-mac-device = &gmac0;
+		label-mac-device = &ethernet;
 	};
 
 	chosen {
@@ -161,30 +161,20 @@
 	};
 };
 
-&gmac0 {
+&ethernet {
+	compatible = "mediatek,ralink-mt7621-eth";
+	mediatek,switch = <&gsw>;
 	mtd-mac-address = <&factory 0xe006>;
 };
 
 &switch0 {
-	ports {
-		port@1 {
-			status = "okay";
-			label = "lan1";
-		};
-
-		port@2 {
-			status = "okay";
-			label = "lan2";
-		};
-
-		port@4 {
-			status = "okay";
-			label = "wan";
-			mtd-mac-address = <&factory 0xe000>;
-		};
-	};
+	/delete-property/ compatible;
+	phy-mode = "rgmii";
 };
 
+&gsw {
+	compatible = "mediatek,ralink-mt7621-gsw";
+};
 
 &state_default {
 	gpio {
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 9435f652e..3af2c4d48 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1037,7 +1037,7 @@ define Device/xiaomi_mir4
   DEVICE_MODEL := Mi Router 4
   SUPPORTED_DEVICES += R4
   SUPPORTED_DEVICES += mir4
-  DEVICE_PACKAGES := kmod-mt7603 kmod-mt76x2 wpad-openssl uboot-envtools
+  DEVICE_PACKAGES := kmod-mt7603e kmod-mt76x2e luci-app-mtwifi uboot-envtools
 endef
 TARGET_DEVICES += xiaomi_mir4
 
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 6f149146e..f0db051ca 100755
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -15,8 +15,7 @@ ramips_setup_interfaces()
 	asiarf,ap7621-nv1|\
 	lenovo,newifi-d1|\
 	mikrotik,routerboard-m33g|\
-	xiaomi,mir3g-v2|\
-	xiaomi,mir4)
+	xiaomi,mir3g-v2)
 		ucidef_set_interfaces_lan_wan "lan1 lan2" "wan"
 		;;
 	d-team,newifi-d2)
@@ -75,6 +74,11 @@ ramips_setup_interfaces()
 			"2:lan:2" "3:lan:1" "1:wan" "6t@eth0"
 		ucidef_set_interface_lan "eth0.1 ra0 rai0"
 		;;
+	xiaomi,mir4)
+		ucidef_add_switch "switch0" \
+			"1:lan:1" "2:lan:2" "4:wan" "6t@eth0"
+		ucidef_set_interface_lan "eth0.1 ra0 rai0"
+		;;
 	xiaomi,mi-router-ac2100|\
 	xiaomi,redmi-router-ac2100)
 		ucidef_add_switch "switch0" \
@@ -148,6 +152,7 @@ ramips_setup_macs()
 		wan_mac=$(mtd_get_mac_binary factory 0xe006)
 		;;
 	xiaomi,mir3g|\
+	xiaomi,mir4|\
 	xiaomi,mi-router-ac2100|\
 	xiaomi,redmi-router-ac2100)
 		lan_mac=$(cat /sys/class/net/eth0/address)