[coreboot-gerrit] [XS] Change in coreboot[main]: mb/google/nissa/var/glassway: Tune I2C timings for 400 kHz

[Frank Chu (Code Review)]

Attention is currently required from: Dinesh Gehlot, Frank Chu, Kapil Porwal, Nick Vaccaro, Paul Menzel, Subrata Banik.

Hello Dinesh Gehlot, Eric Lai, Kapil Porwal, Martin L Roth, Matt DeVillier, Nick Vaccaro, Shawn Ku, Subrata Banik, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/81136?usp=email

to look at the new patch set (#12).

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

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 
---
M src/mainboard/google/brya/variants/glassway/overridetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/81136/12