| PCAGPIO(4) | Device Drivers Manual | PCAGPIO(4) |
pcagpio —
pcagpio* at iic?
gpio* at pcagpio?
pcagpio driver provides support for the Philips
PCA955[4567] GPIO controllers. The PCA955[467] devices have 8 pins and the
PCA9555 device has 16 pins which can be configured as either inputs or
outputs, and accessed using gpioctl(8).
pcagpio driver first appeared in
OpenBSD 3.9.
pcagpio driver was written by Theo
de Raadt
<deraadt@openbsd.org>.
| July 16, 2013 | OpenBSD-current |