Karthik Ramasubramanian has submitted this change. ( https://review.coreboot.org/c/coreboot/+/71063 )
Change subject: mb/google/skyrim/var/frostflow: Config I2C frequency for touchpad. ......................................................................
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 --- M src/mainboard/google/skyrim/variants/frostflow/overridetree.cb 1 file changed, 32 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Martin L Roth: Looks good to me, approved Frank Wu: Looks good to me, approved John Su: Looks good to me, approved Eric Lai: Looks good to me, approved
diff --git a/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb b/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb index d4b6599..bc9aec1 100644 --- a/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb +++ b/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb @@ -14,6 +14,15 @@ # 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