To configure LinuxWacom, put in your configuration
[input]
pen = linuxwacom,/dev/input/event2,mode=pen
finger = linuxwacom,/dev/input/event3,mode=touch
Note
You must have read access to the input event.
You have the possibility to use custom range for some X, Y and pressure value. On some drivers, the range reported is invalid. To fix that, you can add one of theses options on the argument line :