Peichao Li has uploaded this change for review.
mb/google/kahlee/treeya: Make sure touchpad data hold time more
than 300ns
According to SI team request, need tune I2C bus2 data hold time
more than 300ns
BUG=b:144736027
TEST=build firmware and masure I2C bus2 data hold time
Signed-off-by: Peichao Wang <peichao.wang@bitland.corp-partner.google.com>
Change-Id: Idc58a595c77eba8544f27682a284be6aac5dbe25
---
M src/mainboard/google/kahlee/variants/treeya/devicetree.cb
1 file changed, 1 insertion(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/36945/1
diff --git a/src/mainboard/google/kahlee/variants/treeya/devicetree.cb b/src/mainboard/google/kahlee/variants/treeya/devicetree.cb
index e8477ee..e35f00c 100644
--- a/src/mainboard/google/kahlee/variants/treeya/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/treeya/devicetree.cb
@@ -44,6 +44,7 @@
.speed = I2C_SPEED_FAST,
.rise_time_ns = 3,
.fall_time_ns = 2,
+ .data_hold_time_ns = 400,
}"
# Enable I2C3 for touchscreen at 400kHz
To view, visit change 36945. To unsubscribe, or for help writing mail filters, visit settings.