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PLGPIO(4) Device Drivers Manual PLGPIO(4)

plgpio
ARM PrimeCell PL061 GPIO controller

plgpio* at fdt?

The plgpio driver supports the ARM PrimeCell PL061 GPIO controller. It does not provide direct device driver entry points but makes its functions available to other drivers.

intro(4)
ARM PrimeCell General Purpose Input/Output (PL011) Technical Reference Manual, ARM DDI 0190.

The plgpio driver first appeared in OpenBSD 6.4.

The plgpio driver was written by Mark Kettenis <kettenis@openbsd.org>.
August 26, 2018 OpenBSD-current