diff options
| author | Frank_Chu <frank_chu@pegatron.corp-partner.google.com> | 2019-08-01 09:33:27 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2019-08-03 17:32:18 +0000 |
| commit | 641e0f68417bfff7fe11b854df04987a6c31c81b (patch) | |
| tree | aec0be80738a8fb24692b8ce5484013c9b5fc20b /src | |
| parent | b9df3bc5f708149e8f4c4b81c911a46a559a6d00 (diff) | |
| download | coreboot-641e0f68417bfff7fe11b854df04987a6c31c81b.tar.xz | |
mb/google/hatch/variants/helios: Adjust all I2C CLK and I2C0 SDA hold time
After adjustment
Touch Pad CLK: 383.4 KHz
Touch Screen CLK: 381.6 KHz
Audio codec CLK: 386.0 KHz
TouchPad SDA hold time: 0.325ns
BUG=b:137722634
BRANCH=none
TEST=emerge-hatch coreboot chromeos-bootimage
Signed-off-by: Frank_Chu <frank_chu@pegatron.corp-partner.google.com>
Change-Id: I27dec2f3e00eb6618cc429aff3dae7a5d937d638
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34647
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/hatch/variants/helios/overridetree.cb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/helios/overridetree.cb b/src/mainboard/google/hatch/variants/helios/overridetree.cb index cedf046e5f..f97f120e7b 100644 --- a/src/mainboard/google/hatch/variants/helios/overridetree.cb +++ b/src/mainboard/google/hatch/variants/helios/overridetree.cb @@ -29,12 +29,24 @@ chip soc/intel/cannonlake register "common_soc_config" = "{ .i2c[0] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 50, + .fall_time_ns = 15, + .data_hold_time_ns = 330, }, .i2c[1] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 60, + .fall_time_ns = 25, + }, + .i2c[3] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 150, + .fall_time_ns = 150, }, .i2c[4] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 120, + .fall_time_ns = 120, }, .gspi[0] = { .speed_mhz = 1, |