diff options
| author | Rex Chou <rex_chou@compal.corp-partner.google.com> | 2022-12-19 10:54:35 +0800 |
|---|---|---|
| committer | Karthik Ramasubramanian <kramasub@google.com> | 2022-12-20 21:02:27 +0000 |
| commit | 134d740168f602c7c697e5b1975f8a0a591b205d (patch) | |
| tree | 0545dc48034f4c64a7d5811b455405c1d8fc2fec /src/mainboard | |
| parent | 161d090d22f9f687a328a9582b264bec734d042b (diff) | |
mb/google/skyrim/var/frostflow: Config I2C frequency for touchpad.
1.Config setting for touchpad I2C
BUG=b:261159229
TEST=On frostflow, touchpad i2c spec from EE measure
Frequencies:
1.I2C0 (Touchpad): 385.7kHz
Change-Id: I4ca72ee7fabd4b641eb17451ed8d942c5df52dde
Signed-off-by: Rex Chou <rex_chou@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: John Su <john_su@compal.corp-partner.google.com>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/skyrim/variants/frostflow/overridetree.cb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb b/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb index d4b659985f..bc9aec126b 100644 --- a/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb +++ b/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb @@ -14,6 +14,15 @@ chip soc/amd/mendocino # Set Package Power Parameters register "stapm_time_constant_s" = "200" + register "i2c[0]" = "{ + .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_hcnt = 120, + .scl_lcnt = 240, + } + }" + device domain 0 on device ref gpp_bridge_a on # Internal GPP Bridge 0 to Bus A device ref xhci_1 on # XHCI1 controller |