tree 0a177b989994c963629936453636c0dc3492b85a
parent b5a7bad724331195a397bb150804dbd2aa39ff2c
author Frank Chu <frank_chu@pegatron.corp-partner.google.com> 1709893455 +0800
committer Felix Held <felix-coreboot@felixheld.de> 1710855346 +0000

mb/google/nissa/var/glassway: Tune I2C timings for 400 kHz

Update touchpad and touchscreen I2C timing.
- Data hold time: 300ns - 900ns

BUG=b:328724191
BRANCH=firmware-nissa-15217.B
TEST=Check wave form and met the spec.
     I2C1 (touchscreen) Hold time from 83.58ns to 413.87ns
     I2C5 (touchpad)    Hold time from 95.93ns to 425.27ns

Change-Id: I65fb1298f9e96ab0b63aba436f6a319f21b38925
Signed-off-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81136
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Shawn Ku <shawnku@google.com>