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| author | Matt DeVillier <matt.devillier@gmail.com> | 2022-03-28 23:19:45 -0500 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2022-12-23 00:19:06 +0000 |
| commit | 525c61f74e94c1dbdf4b54ac8157d950695fc03f (patch) | |
| tree | e3c51077d96a7d740a852fbd93c993c61502a1c6 /src/commonlib | |
| parent | c0edb925e67b946320dbdfe1a68c4f19ca161d6e (diff) | |
mb/google/hatch: Implement touchscreen power sequencing
For touchscreens on hatch variants, drive the enable GPIO high starting
in romstage, then disable the reset GPIO in ramstage. This will allow
coreboot to detect the presence of i2c touchscreens during ACPI SSDT
generation (implemented in a subsequent commit).
BUG=b:121309055
TEST=tested with rest of patch train
Change-Id: I86c5f41b7820eaf5252c276ae854a4206e09385f
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71059
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/commonlib')
0 files changed, 0 insertions, 0 deletions