ramips: convert mtd-mac-address to nvmem for UniElec devices

Convert this series by moving the definitions to the individual
devices.

Now all devices on ramips are converted.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

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>;
+	};
+};

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 {

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>;
+	};
+};

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>;
+	};
+};

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>;
 		};
 	};
 };

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>;
+	};
+};

target/linux/ramips/dts/mt7628an_unielec_u7628-01.dtsi

@@ -85,10 +85,6 @@
 	status = "okay";
 };
 
-&ethernet {
-	mtd-mac-address = <&factory 0x28>;
-};
-
 &wmac {
 	status = "okay";