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authorTony Huang <tony-huang@quanta.corp-partner.google.com>2022-08-31 17:38:48 +0800
committerMartin Roth <martin.roth@amd.corp-partner.google.com>2022-09-09 03:39:48 +0000
commit8754965db1d308a4e66e63fc85e39710f18f7f92 (patch)
tree77087090a49590a0a9c79889392a48289c5f6631 /src/mainboard/biostar
parentfa03a9f059cab6bdec8235fee95d68329ed79315 (diff)
mb/google/dedede/var/shotzo: Config I2C times for touchscreen/audio
Config I2C high / low time in device tree to ensure I2C CLK runs accurately at I2C_SPEED_FAST (400 kHz). EE measured touchscreen/audio runs at 385.5/397.9kHz after tuning. BUG=b:244403643 BRANCH=firmware-dedede-13606.B TEST=Build and check after tuning I2C clock is under 400kHz Change-Id: I7d9503e5f92295432e31f09ae791eaa18eac9d4d Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/67242 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Zhuohao Lee <zhuohao@google.com>
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