systemd/etc/udev/rules.d/60-persistent-input.rules

# do not edit this file, it will be overwritten on update

ACTION!="add", GOTO="persistent_input_end"
SUBSYSTEM!="input", GOTO="persistent_input_end"
KERNEL=="input[0-9]*", GOTO="persistent_input_end"

# usb devices
SUBSYSTEMS=="usb", IMPORT{program}="usb_id --export"
SUBSYSTEMS=="usb", ATTRS{bInterfaceClass}=="03", ATTRS{bInterfaceProtocol}=="01", ENV{ID_CLASS}="kbd"
SUBSYSTEMS=="usb", ATTRS{bInterfaceClass}=="03", ATTRS{bInterfaceProtocol}=="02", ENV{ID_CLASS}="mouse"

# other devices
DRIVERS=="pcspkr", ENV{ID_CLASS}="spkr"
DRIVERS=="atkbd", ENV{ID_CLASS}="kbd"
DRIVERS=="psmouse", ENV{ID_CLASS}="mouse"
ATTRS{name}=="*dvb*|*DVB*|* IR *", ENV{ID_CLASS}="ir"
ATTRS{modalias}=="input:*-*a[068],*|input:*-*a*,[68],*m*", ATTRS{modalias}!="input:*-*k*14A,*r*", ENV{ID_CLASS}="joystick"

# fill empty serial number
ENV{ID_CLASS}=="?*", ENV{ID_SERIAL}=="", ENV{ID_SERIAL}="noserial"

# by-id links
KERNEL=="mouse*|js*", ENV{ID_BUS}=="?*", ENV{ID_CLASS}=="?*", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{ID_CLASS}"
KERNEL=="event*", ENV{ID_BUS}=="?*", ENV{ID_CLASS}=="?*", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-event-$env{ID_CLASS}"

# by-path
IMPORT{program}="path_id %p"
ENV{ID_PATH}=="?*", KERNEL=="mouse*|js*", SYMLINK+="input/by-path/$env{ID_PATH}-$env{ID_CLASS}"
ENV{ID_PATH}=="?*", KERNEL=="event*", SYMLINK+="input/by-path/$env{ID_PATH}-event-$env{ID_CLASS}"

LABEL="persistent_input_end"