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BYTGPIO(4) Device Drivers Manual BYTGPIO(4)

bytgpioIntel Bay Trail GPIO controller

bytgpio* at acpi?

The bytgpio driver provides support for the GPIO controllers found on Intel's Bay Trail SoC. It does not provide direct device driver entry points but makes its functions available to acpi(4).

acpi(4), intro(4)

The bytgpio driver first appeared in OpenBSD 6.0.

The bytgpio driver was written by Mark Kettenis <>.

August 15, 2016 OpenBSD-7.1