tree f58f81148a507288b56c2a366f18753d58dbc0fc
parent 2c62df229f49b7dde6a9ad5d963153582efb6822
author Felix Held <felix-coreboot@felixheld.de> 1616631641 +0100
committer Felix Held <felix-coreboot@felixheld.de> 1617044868 +0000

soc/amd: add DISABLE_KEYBOARD_RESET_PIN option

The KBRST_L pin will cause a reset when driven or pulled low even when
the GPIO mux is set to GPIO and not native function. So when you want to
use that pin as general purpose output the keyboard reset input
functionality needs to be disabled by selecting this option in the
board's Kconfig file to avoid causing a reset by writing a 0 to the
output level bit when it's configured as an output.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Suggested-by: Furquan Shaikh <furquan@google.com>
Change-Id: I517ad551db9321f26afdba15d97ddb61be1f7d51
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51757
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>