- serial ports (ttyS[0-2])
- ttyS0 is default for serial console
- Smart I/O (ADC, keypad, digital inputs, etc)
- See http://www.applieddata.com/developers/linux for IOCTL documentation
+ See http://www.eurotech-inc.com/linux-sbc.asp for IOCTL documentation
and example user space code. ps/2 keybd is multiplexed through this driver
To do: