Nick Vaccaro has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/42964 )
Change subject: mb/google/volteer/var/volteer: Increase I2C5 bus freq closer to 400 kHz for trackpad ......................................................................
Patch Set 15:
(1 comment)
https://review.coreboot.org/c/coreboot/+/42964/15/src/mainboard/google/volte... File src/mainboard/google/volteer/variants/volteer/overridetree.cb:
https://review.coreboot.org/c/coreboot/+/42964/15/src/mainboard/google/volte... PS15, Line 164: # Intel Common SoC Config : #+-------------------+---------------------------+ : #| Field | Value | : #+-------------------+---------------------------+ : #| chipset_lockdown | CHIPSET_LOCKDOWN_COREBOOT | : #| GSPI0 | cr50 TPM. Early init is | : #| | required to set up a BAR | : #| | for TPM communication | : #| | before memory is up | : #| GSPI1 | Fingerprint MCU | : #| I2C0 | Audio | : #| I2C1 | Touchscreen | : #| I2C2 | WLAN, SAR0 | : #| I2C3 | Camera, SAR1 | : #| I2C5 | Trackpad | : #+-------------------+---------------------------+ : register "common_soc_config" = "{ : .i2c[5] = { : .speed = I2C_SPEED_FAST, : .speed_config[0] = { : .speed = I2C_SPEED_FAST, : .scl_lcnt = 163, : .scl_hcnt = 75, : .sda_hold = 36, : }, : }, : }" : Please put this between what's currently on lines 1 and 2 of this file. Thanks.