diff options
| author | Casper Chang <casper_chang@wistron.corp-partner.google.com> | 2019-01-28 21:29:01 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-01-30 11:03:02 +0000 |
| commit | 168f046d71ae8ec3ffc2c180a71ba2fde852f1e2 (patch) | |
| tree | 0a8201c1475f34435cff0a1c0e4f960086094b90 | |
| parent | 76c7688f63920f0452c2c039bd152e484ab1cc67 (diff) | |
mb/google/sarien/variants/arcada: Adjust TP/TS/H1 I2C CLK to meet spec
After adjustment on Arcada EVT
TouchScreen: 390 KHz
TouchPad: 389 KHz
H1: 389 KHz
BUG=b:120584026, b:120584561
BRANCH=master
TEST=emerge-sarien coreboot chromeos-bootimage
measure by scope
Signed-off-by: Casper Chang <casper_chang@wistron.corp-partner.google.com>
Change-Id: Ia6eb332e7a664b211a5025ad07e0d01bf7f8d5bb
Reviewed-on: https://review.coreboot.org/c/31124
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
| -rw-r--r-- | src/mainboard/google/sarien/variants/arcada/devicetree.cb | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb index 2b0408e217..f9d458208d 100644 --- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb +++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb @@ -77,17 +77,19 @@ chip soc/intel/cannonlake .chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT, .i2c[0] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 52, + .fall_time_ns = 110, }, .i2c[1] = { .speed = I2C_SPEED_FAST, - .rise_time_ns = 176, - .fall_time_ns = 15, + .rise_time_ns = 52, + .fall_time_ns = 110, }, .i2c[4] = { .early_init = 1, .speed = I2C_SPEED_FAST, - .rise_time_ns = 452, - .fall_time_ns = 110, + .rise_time_ns = 36, + .fall_time_ns = 99, }, }" |