ramips: mt7621: convert Xiaomi devices EEPROM to NVMEM format

-+---------------------------+-
 |  Model  |       NIC       |
-+---------------------------+-
 | AC2100  | MT7603 + MT7615 |
-+---------------------------+-
 | MI4A V2 | MT7603 + MT7613 |
-+---------------------------+-
 | Others  | MT7603 + MT7612 |
-+---------------------------+-

Signed-off-by: Shiji Yang <[email protected]>

target/linux/ramips/dts/mt7621_xiaomi_mi-router-3g.dts

@@ -86,7 +86,8 @@
 	wifi@0,0 {
 		compatible = "pci14c3,7603";
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x0000>;
+		nvmem-cells = <&eeprom_factory_0>;
+		nvmem-cell-names = "eeprom";
 		ieee80211-freq-limit = <2400000 2500000>;
 	};
 };
@@ -95,7 +96,8 @@
 	wifi@0,0 {
 		compatible = "pci14c3,7662";
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x8000>;
+		nvmem-cells = <&eeprom_factory_8000>;
+		nvmem-cell-names = "eeprom";
 		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };

target/linux/ramips/dts/mt7621_xiaomi_mi-router-4.dts

@@ -50,7 +50,8 @@
 	wifi@0,0 {
 		compatible = "pci14c3,7603";
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x0000>;
+		nvmem-cells = <&eeprom_factory_0>;
+		nvmem-cell-names = "eeprom";
 		ieee80211-freq-limit = <2400000 2500000>;
 	};
 };
@@ -59,7 +60,8 @@
 	wifi@0,0 {
 		compatible = "pci14c3,7662";
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x8000>;
+		nvmem-cells = <&eeprom_factory_8000>;
+		nvmem-cell-names = "eeprom";
 		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };

target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-3g-v2.dtsi

@@ -23,12 +23,14 @@
 };
 
 &wifi0 {
-	mediatek,mtd-eeprom = <&factory 0x8000>;
+	nvmem-cells = <&eeprom_factory_8000>;
+	nvmem-cell-names = "eeprom";
 	ieee80211-freq-limit = <5000000 6000000>;
 };
 
 &wifi1 {
-	mediatek,mtd-eeprom = <&factory 0x0000>;
+	nvmem-cells = <&eeprom_factory_0>;
+	nvmem-cell-names = "eeprom";
 	ieee80211-freq-limit = <2400000 2500000>;
 };
 

target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-common.dtsi

@@ -70,6 +70,14 @@
 					#address-cells = <1>;
 					#size-cells = <1>;
 
+					eeprom_factory_0: eeprom@0 {
+						reg = <0x0 0x400>;
+					};
+
+					eeprom_factory_8000: eeprom@8000 {
+						reg = <0x8000 0x200>;
+					};
+
 					macaddr_factory_e000: macaddr@e000 {
 						reg = <0xe000 0x6>;
 					};

target/linux/ramips/dts/mt7621_xiaomi_mi-router-4a-gigabit-v2.dts

@@ -35,6 +35,11 @@
 	};
 };
 
+/* override EEPROM size to 0x4da8 for MT7613 */
+&eeprom_factory_8000 {
+	reg = <0x8000 0x4da8>;
+};
+
 &partitions {
 	partition@180000 {
 		// size changed against to the common dtsi
@@ -49,12 +54,14 @@
 };
 
 &wifi0 {
-	mediatek,mtd-eeprom = <&factory 0x0000>;
+	nvmem-cells = <&eeprom_factory_0>;
+	nvmem-cell-names = "eeprom";
 	ieee80211-freq-limit = <2400000 2500000>;
 };
 
 &wifi1 {
-	mediatek,mtd-eeprom = <&factory 0x8000>;
+	nvmem-cells = <&eeprom_factory_8000>;
+	nvmem-cell-names = "eeprom";
 	ieee80211-freq-limit = <5000000 6000000>;
 };
 

target/linux/ramips/dts/mt7621_xiaomi_nand_128m.dtsi

@@ -56,6 +56,14 @@
 				#address-cells = <1>;
 				#size-cells = <1>;
 
+				eeprom_factory_0: eeprom@0 {
+					reg = <0x0 0x400>;
+				};
+
+				eeprom_factory_8000: eeprom@8000 {
+					reg = <0x8000 0x200>;
+				};
+
 				macaddr_factory_e000: macaddr@e000 {
 					reg = <0xe000 0x6>;
 				};

target/linux/ramips/dts/mt7621_xiaomi_router-ac2100.dtsi

@@ -2,6 +2,11 @@
 
 #include "mt7621_xiaomi_nand_128m.dtsi"
 
+/* override EEPROM size to 0x4da8 for MT7615 */
+&eeprom_factory_8000 {
+	reg = <0x8000 0x4da8>;
+};
+
 &pcie {
 	status = "okay";
 };
@@ -10,7 +15,8 @@
 	wifi@0,0 {
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x8000>;
+		nvmem-cells = <&eeprom_factory_8000>;
+		nvmem-cell-names = "eeprom";
 		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };
@@ -19,7 +25,8 @@
 	wifi@0,0 {
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x0000>;
+		nvmem-cells = <&eeprom_factory_0>;
+		nvmem-cell-names = "eeprom";
 		ieee80211-freq-limit = <2400000 2500000>;
 	};
 };