qmk-firmware/keyboards/lpad/info.json

{
    "keyboard_name": "L-PAD", 
    "manufacturer": "Laneware Peripherals",
    "url": "", 
    "maintainer": "qmk", 
    "usb": {
        "vid": "0x4C50",
        "pid": "0x2222",
        "device_version": "0.0.1"
    },
    "processor": "atmega32u4",
    "bootloader": "atmel-dfu",
    "matrix_pins": {
        "cols": ["D3", "D4", "D6"],
        "rows": ["E6", "B7", "D0"]
    },
    "diode_direction": "COL2ROW",
    "encoder": {
        "rotary": [
            {"pin_a": "F0", "pin_b": "F1"}
        ]
    },
    "layouts":{
      "LAYOUT": {
      "layout":[{ "label": "Play", "matrix": [0, 0], "w": 1, "x": 0, "y": 0 },
                { "label": "Mute", "matrix": [0, 1], "w": 1, "x": 1.5, "y": 0.5 },
                { "label": "Next", "matrix": [1, 0], "w": 1, "x": 0, "y": 1 },
                { "label": "Prev", "matrix": [2, 0], "w": 1, "x": 0, "y": 2 },
                { "label": "Left", "matrix": [2, 1], "w": 1, "x": 1, "y": 2 },
                { "label": "Rght", "matrix": [2, 2], "w": 1, "x": 2, "y": 2 }]
        }, 
     }
}