Tim Wawrzynczak has submitted this change. ( https://review.coreboot.org/c/coreboot/+/52690 )
Change subject: mb/google/volteer/variants/copano: Modify touchpad I2C sequence ......................................................................
mb/google/volteer/variants/copano: Modify touchpad I2C sequence
Modify touchpad I2C sequence to meet requirement.
BUG=b:186372071 BRANCH=firmware-volteer-13672.B TEST=emerge-volteer coreboot chromeos-bootimage build Pass And check the touchpad I2C5 sequence by EE.
Change-Id: I9d4dcc764edfbdc14eef5ad82db20e40b31de295 Signed-off-by: Hao Chou hao_chou@pegatron.corp-partner.google.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/52690 Reviewed-by: Wayne3 Wang wayne3_wang@pegatron.corp-partner.google.com Reviewed-by: Zhuohao Lee zhuohao@google.com Reviewed-by: Tim Wawrzynczak twawrzynczak@chromium.org Reviewed-by: Nick Vaccaro nvaccaro@google.com Tested-by: build bot (Jenkins) no-reply@coreboot.org --- M src/mainboard/google/volteer/variants/copano/overridetree.cb 1 file changed, 6 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Nick Vaccaro: Looks good to me, approved Zhuohao Lee: Looks good to me, but someone else must approve Tim Wawrzynczak: Looks good to me, approved Hao Chou: Looks good to me, but someone else must approve Wayne3 Wang: Looks good to me, but someone else must approve
diff --git a/src/mainboard/google/volteer/variants/copano/overridetree.cb b/src/mainboard/google/volteer/variants/copano/overridetree.cb index ec624d3..b2dab7d 100644 --- a/src/mainboard/google/volteer/variants/copano/overridetree.cb +++ b/src/mainboard/google/volteer/variants/copano/overridetree.cb @@ -41,6 +41,12 @@ }, .i2c[5] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 155, + .scl_hcnt = 80, + .sda_hold = 36, + }, }, }"