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authorPhilip Chen <philipchen@google.com>2019-07-24 14:35:44 -0700
committerMartin Roth <martinroth@google.com>2019-08-02 15:43:10 +0000
commitb7ec252d378deee1d07175c8fdc8d2302f7fbcef (patch)
treec00b746400d6bc04c58d242e15acd7a86ebea210 /util/lint
parent43d07f75cf001b49422470ba63ea1d0afb049ea4 (diff)
mb/google/hatch: Fine-tune Kohaku I2C CLK frequency
Add rise time / fall time to I2C config in device tree to ensure I2C CLK runs accurately at I2C_SPEED_FAST (400 kHz). BUG=b:138258384 BRANCH=none TEST=probe I2C0/I2C2/I2C3 SCL on Kohaku board, verify all of them run at 395-399 kHz. Change-Id: Id98079e717f0db3fdcb88f85e45693925d11d7fd Signed-off-by: Philip Chen <philipchen@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34559 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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