I can see both js0 and js1, all buttons are recognized but I can't calibrate the ax.
#jscal -c /dev/input/js0
....
# jscal -p /dev/input/js0
jscal -s 2,1,0,0,0,-16513,16384,1,0,0,0,-16513,16384 /dev/input/js0
jstest --event /dev/input/js0
Event: type 2, time 175695556, number 0, value 32512 (right)
Event: type 2, time 175741396, number 0, value 32767 (left)
Event: type 2, time 175769984, number 1, value 32512 (up)
Event: type 2, time 175768024, number 1, value 32767 (down)
I use a digital joystick...