diff --git a/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts b/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
index d063f08711b095..84172cdd175a9d 100644
--- a/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
+++ b/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
@@ -46,3 +46,24 @@
 		};
 	};
 };
+
+&gmac0 {
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+};
+
+&wan {
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+	mac-address-increment = <1>;
+};
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_factory_e000: macaddr@e000 {
+		reg = <0xe000 0x6>;
+	};
+};
diff --git a/target/linux/ramips/dts/mt7621_unielec_u7621-01.dtsi b/target/linux/ramips/dts/mt7621_unielec_u7621-01.dtsi
index b9b16fbb4bbc72..1d070c7909f929 100644
--- a/target/linux/ramips/dts/mt7621_unielec_u7621-01.dtsi
+++ b/target/linux/ramips/dts/mt7621_unielec_u7621-01.dtsi
@@ -72,17 +72,11 @@
 	};
 };
 
-&gmac0 {
-	mtd-mac-address = <&factory 0xe000>;
-};
-
 &switch0 {
 	ports {
-		port@0 {
+		wan: port@0 {
 			status = "okay";
 			label = "wan";
-			mtd-mac-address = <&factory 0xe000>;
-			mac-address-increment = <1>;
 		};
 
 		port@1 {
diff --git a/target/linux/ramips/dts/mt7621_unielec_u7621-06-16m.dts b/target/linux/ramips/dts/mt7621_unielec_u7621-06-16m.dts
index e9789cff5d44c4..41aa2dce5e6c60 100644
--- a/target/linux/ramips/dts/mt7621_unielec_u7621-06-16m.dts
+++ b/target/linux/ramips/dts/mt7621_unielec_u7621-06-16m.dts
@@ -51,3 +51,24 @@
 		};
 	};
 };
+
+&gmac0 {
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+};
+
+&wan {
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+	mac-address-increment = <1>;
+};
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_factory_e000: macaddr@e000 {
+		reg = <0xe000 0x6>;
+	};
+};
diff --git a/target/linux/ramips/dts/mt7621_unielec_u7621-06-64m.dts b/target/linux/ramips/dts/mt7621_unielec_u7621-06-64m.dts
index 74e4d6625b54d1..a66969a8035c66 100644
--- a/target/linux/ramips/dts/mt7621_unielec_u7621-06-64m.dts
+++ b/target/linux/ramips/dts/mt7621_unielec_u7621-06-64m.dts
@@ -52,3 +52,24 @@
 		};
 	};
 };
+
+&gmac0 {
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+};
+
+&wan {
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+	mac-address-increment = <1>;
+};
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_factory_e000: macaddr@e000 {
+		reg = <0xe000 0x6>;
+	};
+};
diff --git a/target/linux/ramips/dts/mt7621_unielec_u7621-06.dtsi b/target/linux/ramips/dts/mt7621_unielec_u7621-06.dtsi
index 29e62517214791..8dad53812f1ee4 100644
--- a/target/linux/ramips/dts/mt7621_unielec_u7621-06.dtsi
+++ b/target/linux/ramips/dts/mt7621_unielec_u7621-06.dtsi
@@ -73,10 +73,6 @@
 	status = "okay";
 };
 
-&gmac0 {
-	mtd-mac-address = <&factory 0xe000>;
-};
-
 &switch0 {
 	ports {
 		port@0 {
@@ -99,11 +95,9 @@
 			label = "lan4";
 		};
 
-		port@4 {
+		wan: port@4 {
 			status = "okay";
 			label = "wan";
-			mtd-mac-address = <&factory 0xe000>;
-			mac-address-increment = <1>;
 		};
 	};
 };
diff --git a/target/linux/ramips/dts/mt7628an_unielec_u7628-01-16m.dts b/target/linux/ramips/dts/mt7628an_unielec_u7628-01-16m.dts
index c25a31f0abcbaa..8037b3a304aff2 100644
--- a/target/linux/ramips/dts/mt7628an_unielec_u7628-01-16m.dts
+++ b/target/linux/ramips/dts/mt7628an_unielec_u7628-01-16m.dts
@@ -51,3 +51,18 @@
 		};
 	};
 };
+
+&ethernet {
+	nvmem-cells = <&macaddr_factory_28>;
+	nvmem-cell-names = "mac-address";
+};
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_factory_28: macaddr@28 {
+		reg = <0x28 0x6>;
+	};
+};
diff --git a/target/linux/ramips/dts/mt7628an_unielec_u7628-01.dtsi b/target/linux/ramips/dts/mt7628an_unielec_u7628-01.dtsi
index 805d5debf58e42..f25e28abd81865 100644
--- a/target/linux/ramips/dts/mt7628an_unielec_u7628-01.dtsi
+++ b/target/linux/ramips/dts/mt7628an_unielec_u7628-01.dtsi
@@ -85,10 +85,6 @@
 	status = "okay";
 };
 
-&ethernet {
-	mtd-mac-address = <&factory 0x28>;
-};
-
 &wmac {
 	status = "okay";