qmk_firmware/keyboards/handwired/trackpoint/info.json

{
    "keyboard_name": "Trackpoint Demo",
    "manufacturer": "QMK",
    "url": "",
    "maintainer": "qmk",
    "usb": {
        "vid": "0x1234",
        "pid": "0x5678",
        "device_version": "0.0.1"
    },
    "matrix_pins": {
        "cols": ["F1", "F4", "F5"],
        "rows": ["F0"]
    },
    "diode_direction": "COL2ROW",
    "processor": "atmega32u4",
    "bootloader": "halfkay",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"matrix": [0, 0], "x": 0, "y": 0},
                {"matrix": [0, 1], "x": 1, "y": 0},
                {"matrix": [0, 2], "x": 2, "y": 0}
            ]
        }
    }
}