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"
    },
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"x": 0,"y": 0},
                {"x": 1,"y": 0},
                {"x": 2,"y": 0}
            ]
        }
    }
}