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ath79: ZTE MF286[A,R]: add "Power button blocker" GPIO switch

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ZTE MF286A and MF286R feature a "power switch override" GPIO in stock
firmware as means to prevent power interruption during firmware update,
especially when used with internal battery.
To ensure that this GPIO is
properly driven as in stock firmware, configure it with userspace GPIO
switch.

It was observed that on some units, the modem would not be
restarted together with the board itself on reboot, this should help
with that as well.

Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
(cherry picked from commit 1fabeeb799abca1d4fb5ba541410ba847cdc20d9)
This commit is contained in:
Lech Perczak 2022-05-14 14:50:02 +02:00 committed by Christian Lamparter
parent 54e759d05d
commit 9ef931f96b
1 changed files with 20 additions and 0 deletions
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20
target/linux/ath79/nand/base-files/etc/board.d/03_gpio_switches Normal file
View File

@ -0,0 +1,20 @@
#
# Copyright (C) 2022 OpenWrt.org
#
. /lib/functions/uci-defaults.sh
board_config_update
board=$(board_name)
case "$board" in
zte,mf286a|\
zte,mf286r)
ucidef_add_gpio_switch "power_btn_block" "Power button blocker" "20" "0"
;;
esac
board_config_flush
exit 0