ramips: add support for TP-Link Archer AX21
authorAndrew LaMarche <[email protected]>
Wed, 19 Nov 2025 16:28:19 +0000 (11:28 -0500)
committerHauke Mehrtens <[email protected]>
Sun, 30 Nov 2025 23:11:23 +0000 (00:11 +0100)
commite11e1c18eea933dc614ed1dbbec275ae03a8328e
treeead44e7d8c94358ca4a33caef74af27d1df18f3e
parentfb1e8a446d8bf914999c09273273e4f71430493e
ramips: add support for TP-Link Archer AX21

This patch adds support for the TP-Link Archer AX21 v4.

Device specification
--------------------
SoC Type: Mediatek MT7621DAT
RAM: DDR (128MB)
Flash: ESMT EN25QH128A (16MB)
Ethernet: 5x (4 lan, 1 wan) via embedded switch/SoC built-in
Wi-Fi: 2x2 2.4GHz via MT7975DN, 2x2 5GHz via MT7905DAN
LEDs: Power, 2.4GHz, 5GHz, WAN, LAN, WPS
Buttons: Reset, WPS

Installation
------------

Upload the factory image using the Web UI.

Signed-off-by: Andrew LaMarche <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20932
Signed-off-by: Hauke Mehrtens <[email protected]>
target/linux/ramips/dts/mt7621_tplink_archer-ax21-v4.dts [new file with mode: 0644]
target/linux/ramips/image/mt7621.mk
target/linux/ramips/mt7621/base-files/etc/board.d/01_leds