a wireless gamepad produced by Sony for their PlayStation 3 video game console. - wikipedia / Sixaxis

Best way to connect a PS3 sixaxis via bluetooth?

should be supported so long as you have the sixaxis plugin for bluez installed.
works perfectly in usb on Lutris + linux mint 20.x

can be tested with antimicro can also be tested with jstest-gtk

older

• QtSixA the Sixaxis Joystick Manager / falkTX/qtsixa (github)
  • Use QtSixA on Ubuntu 16.04 (and derivatives)
• Rejoystick