Section "Module" 
   Load "xf86Wacom.so" 
EndSection 

... 

Section "Pointer" 
   Protocol    "BusMouse" 
   Device      "/dev/mouse" 
EndSection 

Section "Xinput"
    SubSection "WacomStylus"
        Port "/dev/wacom"
        DeviceName "Wacom"
        Mode Absolute
        Suppress 15
    EndSubSection
    SubSection "WacomStylus"
        Port "/dev/wacom"
        DeviceName "WacomCore"
        Mode Absolute
        AlwaysCore
        Suppress 15
    EndSubSection
    SubSection "WacomCursor"
        Port "/dev/wacom"
        DeviceName "CURSOR"
        Mode Absolute
        Suppress 15
    EndSubSection
    SubSection "WacomCursor"
        Port "/dev/wacom"
        DeviceName "CursorCore"
        Mode Absolute
        AlwaysCore
        Suppress 15
    EndSubSection
    SubSection "WacomEraser"
        Port "/dev/wacom"
        Mode Absolute
        Suppress 15
    EndSubSection
    SubSection "WacomEraser"
        Port "/dev/wacom"
        DeviceName "EraserCore"
        Mode Absolute
        AlwaysCore
        Suppress 15
    EndSubSection
EndSection