systemd/rules/60-keyboard.rules

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

ACTION!="add", GOTO="keyboard_end"
KERNEL!="event*", GOTO="keyboard_end"
ENV{ID_INPUT_KEY}=="", GOTO="keyboard_end"

# ignore all bluetooth devices
SUBSYSTEMS=="bluetooth", GOTO="keyboard_end"

# import key mapping for USB device
SUBSYSTEMS=="usb", IMPORT{builtin}="hwdb --subsystem=usb --lookup-prefix=keyboard:", \
  RUN{builtin}+="keyboard", GOTO="keyboard_end"

# import key mapping for AT keyboard from DMI data
DRIVERS=="atkbd", IMPORT{builtin}="hwdb 'keyboard:$attr{[dmi/id]modalias}'", \
  RUN{builtin}+="keyboard", GOTO="keyboard_end"

# import key mapping for platform input device
KERNELS=="input*", IMPORT{builtin}="hwdb 'keyboard:name:$attr{name}:$attr{[dmi/id]modalias}'", \
  RUN{builtin}+="keyboard", GOTO="keyboard_end"

LABEL="keyboard_end"