tree 12ef65b5d52eacea28abff7b29758eeece87bd37
parent afed45dbaabafc684883bd2ceade1d76f3eb6089
author rex_chou <rex_chou@compal.corp-partner.google.com> 1703830478 +0800
committer Felix Held <felix-coreboot@felixheld.de> 1704719123 +0000

mb/google/nissa/var/craaskov: Implement touchscreen power sequencing

For brya variants with a touchscreen, drive the enable GPIO high
starting in romstage while holding in reset, then disable the reset
GPIO in ramstage (done in the baseboard).

BUG=b:317746281
TEST=emerge-nissa coreboot chromeos-bootimage

Change-Id: I3ca2e2d12a86eaae9e37870a2541c0287e354690
Signed-off-by: Rex Chou <rex_chou@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79764
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>