ar71xx: add support for ALFA Network R36A

ALFA Network R36A is a successor of the previous model, the R36 (Ralink
RT3050F based). New version is based on Qualcomm/Atheros QCA9531 v2.

Specification:

- 650/400/200 MHz (CPU/DDR/AHB)
- 64 MB of RAM (DDR2)
- 16 MB of FLASH (SPI NOR)
- 2x 10/100 Mbps Ethernet, with passive PoE support (24 V)
- 2T2R (QCA9531) 2.4 GHz, 2x u.fl connectors on PCB
- 1x USB 2.0 (power controlled by GPIO)
- 6x LED (5 of them are driven by GPIO)
- 2x button (reset, wifi/wps)
- external h/w watchdog (EM6324QYSP5B, disabled and not used)
- DC jack for main power input (12 V)
- UART header on PCB

Flash instruction:

You can use sysupgrade image directly in vendor firmware which is based
on LEDE/OpenWrt. Alternatively, you can use web recovery mode in U-Boot:

1. Configure PC with static IP 192.168.1.2/24.
2. Connect PC with one of RJ45 ports, press the reset button, power up
   device, wait for first blink of all LEDs (indicates network setup),
   then keep button for 3 following blinks and release it.
3. Open 192.168.1.1 address in your browser and upload sysupgrade image.

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/target/linux/ar71xx/base-files/etc/board.d/01_leds b/target/linux/ar71xx/base-files/etc/board.d/01_leds
index 02f3ad911a..f39109af44 100755
--- a/target/linux/ar71xx/base-files/etc/board.d/01_leds
+++ b/target/linux/ar71xx/base-files/etc/board.d/01_leds
@@ -580,6 +580,12 @@ pqi-air-pen)
 qihoo-c301)
 	ucidef_set_led_wlan "wlan2g" "WLAN2G" "qihoo:red:status" "phy1tpt"
 	;;
+r36a)
+	ucidef_set_led_netdev "lan" "LAN" "$board:blue:lan" "eth0"
+	ucidef_set_led_usbdev "usb" "USB" "$board:blue:usb" "1-1"
+	ucidef_set_led_netdev "wan" "WAN" "$board:blue:wan" "eth1"
+	ucidef_set_led_wlan "wlan" "WLAN" "$board:blue:wlan" "phy0tpt"
+	;;
 r602n|\
 zbt-we1526)
 	ucidef_set_led_netdev "wan" "WAN" "$board:green:wan" "eth1"