Stanley Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/51198 )
Change subject: mb/google/dedede/var/boten: Configure I2C5 p-sensor high and low time ......................................................................
mb/google/dedede/var/boten: Configure I2C5 p-sensor high and low time
Configure I2C bus 5 high and low time for p-sensor device.
BUG=b:181727056 TEST=Measured the I2C bus frequency reduce to 387 KHz.
Change-Id: I4b6d78d84b8ea145093f52bbb13684e2c6aa979c Signed-off-by: Stanley Wu stanley1.wu@lcfc.corp-partner.google.com --- M src/mainboard/google/dedede/variants/boten/overridetree.cb 1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/51198/1
diff --git a/src/mainboard/google/dedede/variants/boten/overridetree.cb b/src/mainboard/google/dedede/variants/boten/overridetree.cb index 6c0fdd6..d7ed0f2 100644 --- a/src/mainboard/google/dedede/variants/boten/overridetree.cb +++ b/src/mainboard/google/dedede/variants/boten/overridetree.cb @@ -51,6 +51,12 @@ }, .i2c[5] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, }"