ath79: add support for MikroTik hAP (RB951Ui-2nD)

The MikroTik hAP (product code RB951Ui-2nD) is
an indoor 2.4Ghz AP with a 2 dBi integrated antenna built around the
Atheros QCA9531 SoC.

Specifications:
 - SoC: Atheros QCA9531
 - RAM: 64 MB
 - Storage: 16 MB NOR - Winbond 25Q128FVSG
 - Wireless: Atheros QCA9530 (SoC) 802.11b/g/n 2x2
 - Ethernet: Atheros AR934X switch, 5x 10/100 ports,
   10-28 V passive PoE in port 1, 500 mA PoE out on port 5
 - 8 user-controllable LEDs:
   · 1x power (green)
   · 1x user (green)
   · 4x LAN status (green)
   · 1x WAN status (green)
   · 1x PoE power status (red)

See https://mikrotik.com/product/RB951Ui-2nD for more details.

Notes:
 The device was already supported in the ar71xx target.

Flashing:
 TFTP boot initramfs image and then perform sysupgrade. Follow common
 MikroTik procedure as in https://openwrt.org/toh/mikrotik/common.

Signed-off-by: Maciej Krüger <[email protected]>

target/linux/ath79/dts/qca9531_mikrotik_routerboard-951ui-2nd.dts

@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qca9533_mikrotik_routerboard-95x.dtsi"
+
+/ {
+	compatible = "mikrotik,routerboard-951ui-2nd", "qca,qca9531";
+	model = "MikroTik RouterBOARD 951Ui-2nD (hAP)";
+};

target/linux/ath79/image/mikrotik.mk

@@ -38,6 +38,15 @@ define Device/mikrotik_routerboard-922uags-5hpacd
 endef
 TARGET_DEVICES += mikrotik_routerboard-922uags-5hpacd
 
+define Device/mikrotik_routerboard-951ui-2nd
+  $(Device/mikrotik_nor)
+  SOC := qca9531
+  DEVICE_MODEL := RouterBOARD 951Ui-2nD (hAP)
+  IMAGE_SIZE := 16256k
+  SUPPORTED_DEVICES += rb-951ui-2nd
+endef
+TARGET_DEVICES += mikrotik_routerboard-951ui-2nd
+
 define Device/mikrotik_routerboard-952ui-5ac2nd
   $(Device/mikrotik_nor)
   SOC := qca9533

target/linux/ath79/mikrotik/base-files/etc/board.d/01_leds

@@ -6,6 +6,7 @@ board_config_update
 board=$(board_name)
 
 case "$board" in
+mikrotik,routerboard-951ui-2nd|\
 mikrotik,routerboard-952ui-5ac2nd)
 	ucidef_set_led_netdev "port1" "port1" "green:port1" "eth1"
 	ucidef_set_led_switch "port2" "port2" "green:port2" "switch0" "0x10"

target/linux/ath79/mikrotik/base-files/etc/board.d/02_network

@@ -24,6 +24,7 @@ ath79_setup_interfaces()
 	mikrotik,routerboard-wapr-2nd)
 		ucidef_set_interface_lan "eth0"
 		;;
+	mikrotik,routerboard-951ui-2nd|\
 	mikrotik,routerboard-952ui-5ac2nd)
 		ucidef_set_interface_wan "eth1"
 		ucidef_add_switch "switch0" \

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

@@ -35,6 +35,7 @@ case "$FIRMWARE" in
 	mikrotik,routerboard-wap-g-5hact2hnd)
 		caldata_mikrotik_ath9k 0x1000 0x440 $(macaddr_add "$mac_base" 2)
 		;;
+	mikrotik,routerboard-951ui-2nd|\
 	mikrotik,routerboard-952ui-5ac2nd)
 		caldata_mikrotik_ath9k 0x1000 0x440 $(macaddr_add "$mac_base" 6)
 		;;

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

@@ -12,6 +12,7 @@ case "$FIRMWARE" in
 "ath10k/cal-pci-0000:00:00.0.bin")
 	case $board in
 	mikrotik,routerboard-921gs-5hpacd-15s|\
+	mikrotik,routerboard-951ui-2nd|\
 	mikrotik,routerboard-952ui-5ac2nd|\
 	mikrotik,routerboard-962uigs-5hact2hnt|\
 	mikrotik,routerboard-wap-g-5hact2hnd)