diff options
| author | John Su <john_su@compal.corp-partner.google.com> | 2020-09-15 14:41:59 +0800 |
|---|---|---|
| committer | Karthik Ramasubramanian <kramasub@google.com> | 2020-09-22 05:01:28 +0000 |
| commit | 5bd4adf542abea433c98c72f7423762109412d4d (patch) | |
| tree | c628e70c420986fde14bc53810dcfae6fd42b32c /src/mainboard | |
| parent | 370b8b6ceff588fc8616fc6ce4d3715c1a0d22b6 (diff) | |
| download | coreboot-5bd4adf542abea433c98c72f7423762109412d4d.tar.xz | |
mb/google/dedede/variants/madoo: Adjust I2Cs CLK to meet spec
After adjustment on madoo
Touch Pad CLK: 381.9 KHz
Touch Screen CLK: 389.4 KHz
Audio CLK: 380.9 KHz
BUG=b:168565823
BRANCH=master
TEST=USE=build madoo and measure by scope with madoo.
Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Change-Id: If281f9a8614e3e0ef20893b456f46e68ecb0631d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45406
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/dedede/variants/madoo/overridetree.cb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/madoo/overridetree.cb b/src/mainboard/google/dedede/variants/madoo/overridetree.cb index 90989d2b44..039fd108b3 100644 --- a/src/mainboard/google/dedede/variants/madoo/overridetree.cb +++ b/src/mainboard/google/dedede/variants/madoo/overridetree.cb @@ -33,12 +33,24 @@ chip soc/intel/jasperlake }, .i2c[0] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 270, + .fall_time_ns = 270, + .data_hold_time_ns = 350, }, .i2c[2] = { .speed = I2C_SPEED_FAST, + .speed = I2C_SPEED_FAST, + .rise_time_ns = 200, + .fall_time_ns = 200, }, .i2c[4] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + }, }, }" device domain 0 on |