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chromebook_platform – support driver for hardware on various Chromebook models



To compile this driver into the kernel, place the following lines into the kernel configuration file: device chromebook_platform

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):



The chromebook_platform driver provides automatic configuration for devices that cannot be enumerated or safely probed. In particular, I2C peripherals are different from model to model. chromebook_platform has a model-specific information about the I2C peripherals, their drivers, their bus attachments and slave addresses.

Note that chromebook_platform does not load driver modules for the peripherals. Those have to be compiled into the kernel or loaded separately.


cyapa(4), iicbus(4), isl(4),


The chromebook_platform driver and this manual page were written by Andriy Gapon <Mt avg@FreeBSD.org>.

CHROMEBOOK_PLATFORM (4) October 13, 2016

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Please direct any comments about this manual page service to Ben Bullock.

This philosophy, in the hands of amateurs, leads to inexplicably mind-numbing botches like the existence of two programs, “head” and “tail,” which print the first part or the last part of a file, depending. Even though their operations are duals of one another, “head” and “tail” are different programs, written by different authors, and take different options!
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