[S] Change in coreboot[master]: mb/google/skyrim/var/frostflow: Config I2C frequency for touchpad.

[Karthik Ramasubramanian (Code Review)]

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 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71063
Tested-by: build bot (Jenkins) 
Reviewed-by: John Su 
Reviewed-by: Martin L Roth 
Reviewed-by: Eric Lai 
Reviewed-by: Frank Wu 
---
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