AMDGPIO(4) Device Drivers Manual AMDGPIO(4)

amdgpioAMD GPIO controller

amdgpio* at acpi?

The amdgpio driver provides support for the GPIO controller found on AMD chipsets. It does not provide direct device driver entry points but makes its functions available to acpi(4).

acpi(4), intro(4)

The amdgpio driver first appeared in OpenBSD 6.7.

The amdgpio driver was written by James Hastings based on the bytgpio(4) driver by Mark Kettenis <>.

January 7, 2020 OpenBSD 7.5