ath79: convert boards based on ar9344_openmesh_mr600.dtsi to nvmem-cells

Pull the calibration data from the nvmem subsystem. This allows us to
move userspace caldata extraction into the device-tree definition.

Merge art into partition node.

Signed-off-by: Nick Hainke <[email protected]>

target/linux/ath79/dts/ar9344_openmesh_mr600.dtsi

@@ -70,10 +70,26 @@
 				reg = <0x850000 0x7a0000>;
 			};
 
-			art: partition@ff0000 {
+			partition@ff0000 {
 				label = "ART";
 				reg = <0xff0000 0x010000>;
 				read-only;
+
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				macaddr_art_0: macaddr@0 {
+					reg = <0x0 0x6>;
+				};
+
+				calibration_art_1000: calibration@1000 {
+					reg = <0x1000 0x440>;
+				};
+
+				calibration_art_5000: calibration@5000 {
+					reg = <0x5000 0x440>;
+				};
 			};
 		};
 	};
@@ -111,9 +127,8 @@
 &wmac {
 	status = "okay";
 
-	mtd-cal-data = <&art 0x1000>;
-	nvmem-cells = <&macaddr_art_0>;
-	nvmem-cell-names = "mac-address";
+	nvmem-cells = <&macaddr_art_0>, <&calibration_art_1000>;
+	nvmem-cell-names = "mac-address", "calibration";
 	mac-address-increment = <1>;
 };
 
@@ -123,22 +138,11 @@
 	ath9k: wifi@0,0 {
 		compatible = "pci168c,0030";
 		reg = <0x0000 0 0 0 0>;
-		qca,no-eeprom;
-		nvmem-cells = <&macaddr_art_0>;
-		nvmem-cell-names = "mac-address";
+		nvmem-cells = <&macaddr_art_0>, <&calibration_art_5000>;
+		nvmem-cell-names = "mac-address", "calibration";
 		mac-address-increment = <8>;
 
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
 };
-
-&art {
-	compatible = "nvmem-cells";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	macaddr_art_0: macaddr@0 {
-		reg = <0x0 0x6>;
-	};
-};

target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom

@@ -112,8 +112,6 @@ case "$FIRMWARE" in
 	tplink,tl-wr842n-v1)
 		caldata_extract "art" 0x1000 0x1000
 		;;
-	openmesh,mr600-v1|\
-	openmesh,mr600-v2|\
 	openmesh,om5p-an)
 		caldata_extract "ART" 0x5000 0x440
 		;;