qmk_firmware/keyboards/keebio/viterbi/rev2/info.json

{
    "keyboard_name": "Viterbi Rev. 2",
    "split": {
        "soft_serial_pin": "D0"
    },
    "usb": {
        "pid": "0x2157",
        "device_version": "2.0.0"
    },
    "backlight": {
        "pin": "B6",
        "levels": 7
    }
}