ath79: use NVMEM for wlan caldata on ELECOM devices

Use NVMEM "calibration" implementation for ath9k/ath10k(-ct) on ELECOM
WRC-300GHBK2-I and WRC-1750GHBK2-I/C instead of mtd-cal-data property
or user-space script.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>

target/linux/ath79/dts/qca9563_elecom_wrc-1750ghbk2-i.dts

@@ -44,11 +44,34 @@
 		label = "art";
 		reg = <0xff0000 0x010000>;
 		read-only;
+
+		compatible = "nvmem-cells";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		cal_art_1000: cal@1000 {
+			reg = <0x1000 0x440>;
+		};
+
+		macaddr_art_1002: macaddr@1002 {
+			reg = <0x1002 0x6>;
+		};
+
+		cal_art_5000: cal@5000 {
+			reg = <0x5000 0x844>;
+		};
 	};
 };
 
 &pcie {
 	status = "okay";
+
+	wifi@0,0 {
+		compatible = "qcom,ath10k";
+		reg = <0x0 0 0 0 0>;
+		nvmem-cells = <&cal_art_5000>;
+		nvmem-cell-names = "calibration";
+	};
 };
 
 &eth0 {
@@ -58,15 +81,6 @@
 };
 
 &wmac {
-	mtd-cal-data = <&art 0x1000>;
+	nvmem-cells = <&cal_art_1000>;
-};
+	nvmem-cell-names = "calibration";
-
-&art {
-	compatible = "nvmem-cells";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	macaddr_art_1002: macaddr@1002 {
-		reg = <0x1002 0x6>;
-	};
 };

target/linux/ath79/dts/qca9563_elecom_wrc-300ghbk2-i.dts

@@ -38,6 +38,18 @@
 		label = "art";
 		reg = <0x7f0000 0x010000>;
 		read-only;
+
+		compatible = "nvmem-cells";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		cal_art_1000: cal@1000 {
+			reg = <0x1000 0x440>;
+		};
+
+		macaddr_art_1002: macaddr@1002 {
+			reg = <0x1002 0x6>;
+		};
 	};
 };
 
@@ -48,15 +60,6 @@
 };
 
 &wmac {
-	mtd-cal-data = <&art 0x1000>;
+	nvmem-cells = <&cal_art_1000>;
-};
+	nvmem-cell-names = "calibration";
-
-&art {
-	compatible = "nvmem-cells";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	macaddr_art_1002: macaddr@1002 {
-		reg = <0x1002 0x6>;
-	};
 };

target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -74,9 +74,6 @@ case "$FIRMWARE" in
 		caldata_extract "art" 0x5000 0x844
 		ath10k_patch_mac $(mtd_get_mac_ascii devdata "wlan5mac")
 		;;
-	elecom,wrc-1750ghbk2-i)
-		caldata_extract "art" 0x5000 0x844
-		;;
 	engenius,ecb1200|\
 	engenius,ecb1750)
 		caldata_extract "art" 0x5000 0x844