qmk_firmware/keyboards/ploopyco/trackball_mini/info.json

{
    "keyboard_name": "Trackball Mini",
    "manufacturer": "PloopyCo",
    "url": "www.ploopy.co",
    "maintainer": "ploopyco",
    "usb": {
        "vid": "0x5043",
        "pid": "0x1EAB",
        "device_version": "0.0.1"
    },
    "bootmagic": {
        "matrix": [0, 3]
    },
    "processor": "atmega32u4",
    "bootloader": "atmel-dfu",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"x":0, "y":0, "h":2, "matrix": [0, 0]},
                {"x":1, "y":0.25, "h":1.5, "matrix": [0, 1]},
                {"x":2, "y":0, "h":2, "matrix": [0, 2]},
                {"x":3.5, "y":0, "h":2, "matrix": [0, 3]},
                {"x":4.5, "y":0, "h":2, "matrix": [0, 4]}
            ]
        }
    }
}