ar71xx: add support for COMFAST CF-E355AC v2

COMFAST CF-E355AC v2 is a ceiling mount AP with PoE support, based on
Qualcomm/Atheros QCA9531 + QCA9886.

Short specification:

- 2x 10/100 Mbps Ethernet, with PoE support
- 128MB of RAM (DDR2)
- 16 MB of FLASH
- 2T2R 2.4 GHz, 802.11b/g/n
- 2T2R 5 GHz, 802.11ac/n/a, WAVE 2
- built-in 4x 3 dBi antennas
- output power (max): 500 mW (27 dBm)
- 1x RGB LED, 1x button
- built-in watchdog chipset

Flash instruction:

Original firmware is based on OpenWrt.
Use sysupgrade image directly in vendor GUI.

Signed-off-by: Ding Tengfei <dtf@comfast.cn>
[updated kernel config for both boards]
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>

target/linux/ar71xx/base-files/etc/board.d/01_leds

@@ -216,6 +216,11 @@ cf-e375ac)
 	ucidef_set_led_wlan "wlan1" "WLAN" "comfast:blue:wlan" "phy1tpt"
 	;;
 cf-e355ac|\
+cf-e355ac-v2)
+	ucidef_set_led_netdev "lan" "LAN" "cf-e355ac:green:lan" "eth0"
+	ucidef_set_led_wlan "wlan2g" "WLAN2G" "cf-e355ac:blue:wlan2g" "phy1tpt"
+	ucidef_set_led_wlan "wlan5g" "WLAN5G" "cf-e355ac:red:wlan5g" "phy0tpt"
+	;;
 cf-e380ac-v1|\
 cf-e380ac-v2)
 	ucidef_set_led_netdev "lan" "LAN" "$board:green:lan" "eth0"

target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -155,6 +155,7 @@ case "$FIRMWARE" in
 	archer-c58-v1|\
 	archer-c59-v1|\
 	archer-c60-v1|\
+	cf-e355ac-v2|\
 	cf-e375ac)
 		ath10kcal_extract "art" 20480 12064
 		ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \

target/linux/ar71xx/base-files/lib/ar71xx.sh

@@ -519,6 +519,9 @@ ar71xx_board_detect() {
 	*"CF-E355AC")
 		name="cf-e355ac"
 		;;
+	*"CF-E355AC v2")
+		name="cf-e355ac-v2"
+		;;
 	*"CF-E375AC")
 		name="cf-e375ac"
 		;;

target/linux/ar71xx/base-files/lib/upgrade/platform.sh

@@ -209,6 +209,7 @@ platform_check_image() {
 	cf-e316n-v2|\
 	cf-e320n-v2|\
 	cf-e355ac|\
+	cf-e355ac-v2|\
 	cf-e375ac|\
 	cf-e380ac-v1|\
 	cf-e380ac-v2|\

target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt

@@ -2176,11 +2176,14 @@ config ATH79_MACH_CF_E320N_V2
 	select ATH79_DEV_WMAC
 
 config ATH79_MACH_CF_E355AC
-	bool "COMFAST CF-E355AC support"
+	bool "COMFAST CF-E355AC v1/v2 support"
 	select SOC_QCA953X
+	select ATH79_DEV_AP9X_PCI if PCI
 	select ATH79_DEV_ETH
 	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_AP9X_PCI if PCI
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
 config ATH79_MACH_CF_E375AC

target/linux/ar71xx/files/arch/mips/ath79/mach-cf-e316n-v2.c

@@ -2,7 +2,8 @@
  *  Support for COMFAST boards:
  *  - CF-E316N v2 (AR9341)
  *  - CF-E320N v2 (QCA9531)
- *  - CF-E355AC (QCA9531)
+ *  - CF-E355AC (QCA9531 + QCA9882)
+ *  - CF-E355AC v2 (QCA9531 + QCA9886)
  *  - CF-E375AC (QCA9563 + QCA9886 + QCA8337)
  *  - CF-E380AC v1/v2 (QCA9558)
  *  - CF-E520N/CF-E530N (QCA9531)
@@ -481,6 +482,9 @@ static void __init cf_e355ac_setup(void)
 MIPS_MACHINE(ATH79_MACH_CF_E355AC, "CF-E355AC", "COMFAST CF-E355AC",
 	     cf_e355ac_setup);
 
+MIPS_MACHINE(ATH79_MACH_CF_E355AC_V2, "CF-E355AC-V2", "COMFAST CF-E355AC v2",
+	     cf_e355ac_setup);
+
 static void __init cf_e375ac_setup(void)
 {
 	u8 *mac = (u8 *) KSEG1ADDR(0x1f040000);

target/linux/ar71xx/files/arch/mips/ath79/machtypes.h

@@ -64,6 +64,7 @@ enum ath79_mach_type {
 	ATH79_MACH_CF_E316N_V2,			/* COMFAST CF-E316N v2 */
 	ATH79_MACH_CF_E320N_V2,			/* COMFAST CF-E320N v2 */
 	ATH79_MACH_CF_E355AC,			/* COMFAST CF-E355AC */
+	ATH79_MACH_CF_E355AC_V2,		/* COMFAST CF-E355AC v2*/
 	ATH79_MACH_CF_E375AC,			/* COMFAST CF-E375AC */
 	ATH79_MACH_CF_E380AC_V1,		/* COMFAST CF-E380AC v1 */
 	ATH79_MACH_CF_E380AC_V2,		/* COMFAST CF-E380AC v2 */

target/linux/ar71xx/image/generic.mk

@@ -203,6 +203,14 @@ define Device/cf-e355ac
 endef
 TARGET_DEVICES += cf-e355ac
 
+define Device/cf-e355ac-v2
+  $(Device/cf-e355ac)
+  DEVICE_TITLE := COMFAST CF-E355AC v2
+  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-ath10k ath10k-firmware-qca9888
+  BOARDNAME := CF-E355AC-V2
+endef
+TARGET_DEVICES += cf-e355ac-v2
+
 define Device/cf-e375ac
   DEVICE_TITLE := COMFAST CF-E375AC
   DEVICE_PACKAGES := kmod-ath10k ath10k-firmware-qca9888