[coreboot-gerrit] Change in coreboot[master]: mainboard/google/poppy: Tune I2C params (hcnt, lcnt, hold time)

Furquan Shaikh (Code Review) gerrit at coreboot.org
Fri Aug 25 22:23:23 CEST 2017


Furquan Shaikh has uploaded a new patch set (#2). ( https://review.coreboot.org/21208 )

Change subject: mainboard/google/poppy: Tune I2C params (hcnt, lcnt, hold time)
......................................................................

mainboard/google/poppy: Tune I2C params (hcnt, lcnt, hold time)

Tune I2C params for I2C buses 0, 1, 2, 4 and 5 to ensure that the
frequency does not exceed 400KHz.

BUG=b:35948024
TEST=Verified for 25 iterations that the frequency on each bus ranges
<= 400KHz.

I2C0: 375 - 400
I2C1: 377 - 400
I2C2: 377 - 400
I2C4: 375 - 397
I2C5: 375 - 397

Change-Id: Ie30e1a12b66c4660b648a585c4dfd66faf004129
Signed-off-by: Furquan Shaikh <furquan at chromium.org>
---
M src/mainboard/google/poppy/variants/baseboard/devicetree.cb
1 file changed, 65 insertions(+), 12 deletions(-)


  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/08/21208/2
-- 
To view, visit https://review.coreboot.org/21208
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ie30e1a12b66c4660b648a585c4dfd66faf004129
Gerrit-Change-Number: 21208
Gerrit-PatchSet: 2
Gerrit-Owner: Furquan Shaikh <furquan at google.com>
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