Johnny Li has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/46127 )
Change subject: mb/google/volteer/var/volteer: I2C5 Camera bus freq 400 kHz This change updates scl_lcnt, scl_hcnt, scl_hcnt value for I2C5 to bring the bus frequency closer to 400kHz. ......................................................................
mb/google/volteer/var/volteer: I2C5 Camera bus freq 400 kHz This change updates scl_lcnt, scl_hcnt, scl_hcnt value for I2C5 to bring the bus frequency closer to 400kHz.
BUG=b:153588771 TEST=Verified that I2C5 frequency is between 389-396kHz. Signed-off-by: Johnny Li johnny_li@wistron.corp-partner.google.com Change-Id: Ib6cd8ec1241925a3426bf51665cadcb55435dede --- M src/mainboard/google/volteer/variants/volteer/overridetree.cb 1 file changed, 7 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/27/46127/1
diff --git a/src/mainboard/google/volteer/variants/volteer/overridetree.cb b/src/mainboard/google/volteer/variants/volteer/overridetree.cb index 2ef9fc9..d39f3ab 100644 --- a/src/mainboard/google/volteer/variants/volteer/overridetree.cb +++ b/src/mainboard/google/volteer/variants/volteer/overridetree.cb @@ -32,7 +32,13 @@ }, .i2c[3] = { .speed = I2C_SPEED_FAST, - }, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 153, + .scl_hcnt = 75, + .sda_hold = 36, + }, + }, .i2c[5] = { .speed = I2C_SPEED_FAST, .speed_config[0] = {