NAME
macgpio – support for on-board GPIO controllers
SYNOPSIS
macgpio* at macobio? macgpio* at macgpio?
DESCRIPTION
The macgpio device provides support for GPIO controllers found on many Apple machines.
OpenBSD provides support for the following devices:
- dfs(4)
-
Dynamic Frequency Switching
- pgs(4)
-
programmer's switch
- sysbutton(4)
-
Xserve G4 and G5 front system identifier button