[PATCH] ramips: add support for TP-Link RE650 v2

[Hauke Mehrtens]

On 4/8/22 00:29, Marcin Gordziejewski wrote:
> TP-Link RE650 v2 is largely similar to v1 that
> is already supported by OpenWrt. Notable differences
> is differnt SPI Flash - 8 MB instead of 16 MB
> (from cFeon instead of Winbond) and a different
> configuration of PCIE connections to wifi chips.
> Otherwise it's largely the same product as v1
> 
> Hardware specification:
> 
> - SoC 880 MHz - MediaTek MT7621AT
> - 128 MB of DDR3 RAM
> - 8 MB - cFeon QH64A-104HIP
> - 4T4R 2.4 GHz - MediaTek MT7615E
> - 4T4R 5 GHz - MediaTek MT7615E

Are you sure this is 4x4 on 2.4GHz and 5GHz?
For me it looks more like 2x2 on 2.4GHz and 2x2 on 5GHz. The MT7615E can 
operate on 2.4 GHz and 5GHZ at the same time.

> - 1x 1 Gbps Ethernet - MT7621AT integrated
> - 7x LEDs (Power, 2G, 5G, WPS(x2), Lan(x2))
> - 4x buttons (Reset, Power, WPS, LED)
> - UART pinout - GND, RX, TX, labeled in the middle of the PCB,
>    requires soldering because they're not through holes.
> 
>    Serial console @ 57600,8n1
> 

......

Hauke