qmk-firmware/keyboards/lets_split/sockets/info.json

{
    "keyboard_name": "Lets Split Sockets",
    "manufacturer": "Duckle29",
    "usb": {
        "vid": "0xFEED",
        "pid": "0x0BEE",
        "device_version": "0.0.1"
    },
    "matrix_pins": {
        "cols": ["F4", "F7", "D7", "B3", "B2", "B6"],
        "rows": ["B1", "B5", "E6", "B4"]
    },
    "diode_direction": "COL2ROW",
    "split": {
        "soft_serial_pin": "D0"
    }
}