ipq40xx: Meraki MR33: convert MAC addresses to nvmem

This fixes assigning random MAC to br-lan interface upon boot.
While at that, rename at24@50 node to eeprom@50, to align with upstream
device tree style.

Signed-off-by: Lech Perczak <[email protected]>

target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -13,7 +13,6 @@ case "$FIRMWARE" in
 	meraki,mr74)
 		caldata_extract_ubi "ART" 0x9000 0x844
 		caldata_valid "4408" || caldata_extract "ART" 0x9000 0x844
-		ath10k_patch_mac $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 0x66) 1)
 		;;
 	esac
 	;;
@@ -117,7 +116,6 @@ case "$FIRMWARE" in
 	meraki,mr74)
 		caldata_extract_ubi "ART" 0x1000 0x2f20
 		caldata_valid "202f" || caldata_extract "ART" 0x1000 0x2f20
-		ath10k_patch_mac $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 0x66) 2)
 		;;
 	mikrotik,cap-ac |\
 	mikrotik,hap-ac2 |\
@@ -214,7 +212,6 @@ case "$FIRMWARE" in
 	meraki,mr74)
 		caldata_extract_ubi "ART" 0x5000 0x2f20
 		caldata_valid "202f" || caldata_extract "ART" 0x5000 0x2f20
-		ath10k_patch_mac $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 0x66) 3)
 		;;
 	mikrotik,cap-ac |\
 	mikrotik,hap-ac2 |\

target/linux/ipq40xx/base-files/lib/preinit/05_set_iface_mac_ipq40xx.sh

@@ -24,11 +24,6 @@ preinit_set_mac_address() {
 		ip link set dev lan1 address $(macaddr_add "$base_mac" 1)
 		ip link set dev eth0 address $(macaddr_setbit "$base_mac" 7)
 		;;
-	meraki,mr33|\
-	meraki,mr74)
-		mac_lan=$(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 0x66)
-		[ -n "$mac_lan" ] && ip link set dev eth0 address "$mac_lan"
-		;;
 	mikrotik,wap-ac)
 		base_mac=$(cat /sys/firmware/mikrotik/hard_config/mac_base)
 		ip link set dev eth0 address "$base_mac"

target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4029-insect-common.dtsi

@@ -127,11 +127,18 @@
 	pinctrl-0 = <&i2c_0_pins>;
 	pinctrl-names = "default";
 	status = "okay";
-	at24@50 {
+
+	eeprom@50 {
 		compatible = "atmel,24c64";
 		pagesize = <32>;
 		reg = <0x50>;
 		read-only; /* This holds our MAC & Meraki board-data */
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		mac_address: mac-address@66 {
+			reg = <0x66 0x6>;
+		};
 	};
 };
 
@@ -277,6 +284,9 @@
 			compatible = "qcom,ath10k";
 			status = "okay";
 			reg = <0x00010000 0 0 0 0>;
+			nvmem-cells = <&mac_address>;
+			nvmem-cell-names = "mac-address";
+			mac-address-increment = <1>;
 		};
 	};
 };
@@ -380,15 +390,23 @@
 &wifi0 {
 	status = "okay";
 	qcom,ath10k-calibration-variant = "Meraki-MR33";
+	nvmem-cells = <&mac_address>;
+	nvmem-cell-names = "mac-address";
+	mac-address-increment = <2>;
 };
 
 &wifi1 {
 	status = "okay";
 	qcom,ath10k-calibration-variant = "Meraki-MR33";
+	nvmem-cells = <&mac_address>;
+	nvmem-cell-names = "mac-address";
+	mac-address-increment = <3>;
 };
 
 &gmac {
 	status = "okay";
+	nvmem-cells = <&mac_address>;
+	nvmem-cell-names = "mac-address";
 };
 
 &switch {