chip soc/intel/cannonlake # Serial I/O register "SerialIoDevMode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, // Touchpad I2C bus [PchSerialIoIndexUART2] = PchSerialIoSkipInit, // Debug console }" device domain 0 on subsystemid 0x1558 0x65e1 inherit device pci 15.0 on # I2C #0 chip drivers/i2c/hid register "generic.hid" = ""PNP0C50"" register "generic.desc" = ""Synaptics Touchpad"" register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_A14_IRQ)" register "generic.probed" = "1" register "hid_desc_reg_offset" = "0x20" device i2c 2c on end end end end end