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authorDuncan Laurie <dlaurie@chromium.org>2017-04-07 02:03:45 -0700
committerDuncan Laurie <dlaurie@chromium.org>2017-04-10 10:07:33 +0200
commit92dde2fdd7516a026991116b7466f968e702828c (patch)
tree72d19be2b14aebe91b064675cae39b7d2a54afc5 /src/mainboard/samsung/stumpy
parent5bda642bcb0fc6004f08d8acdfe0e71d5b3c5012 (diff)
google/eve: Update I2C bus timing
Update the I2C rise/fall timings based on newly measured values on a new board with updated pull-up resistor values. Touchscreen: rise time 98ns, fall time 38ms Touchpad: rise time 111ns, fall time 41ns TPM: rise time 112ns, fall time 34ns BUG=b:35583133 BRANCH=none TEST=Each I2C bus frequency was verified on a scope to be ~400MHz Change-Id: Ibb3a15fa0cc862f36c1b9c63ac7847221020c4c0 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/19202 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
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