Morris Hsu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/80283?usp=email )
Change subject: mb/google/brya/var/dochi: Adjust I2C3 to ensure touchscreen is work. ......................................................................
mb/google/brya/var/dochi: Adjust I2C3 to ensure touchscreen is work.
Tune I2C3 frequency.
BUG=b:318339970 TEST=emerge-brya coreboot chromeos-bootimage and touchpanel function is normal.
Change-Id: I7d702aee46e754480b15ea5087f8c678d3b0e4ec Signed-off-by: Morris Hsu morris-hsu@quanta.corp-partner.google.com --- M src/mainboard/google/brya/variants/dochi/overridetree.cb 1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/83/80283/1
diff --git a/src/mainboard/google/brya/variants/dochi/overridetree.cb b/src/mainboard/google/brya/variants/dochi/overridetree.cb index 880b7bc..671eeff 100644 --- a/src/mainboard/google/brya/variants/dochi/overridetree.cb +++ b/src/mainboard/google/brya/variants/dochi/overridetree.cb @@ -75,6 +75,12 @@ .rise_time_ns = 550, .fall_time_ns = 400, .data_hold_time_ns = 50, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 110, + .sda_hold = 40, + } }, .i2c[5] = { .speed = I2C_SPEED_FAST,