qmk_firmware/keyboards/handwired/6key/info.json

{
    "keyboard_name": "6key",
    "manufacturer": "bratzworth",
    "url": "https://github.com/Bratzworth/6key",
    "maintainer": "bratzworth",
    "usb": {
      "vid": "0xD143",
      "pid": "0x0007",
      "device_version": "0.0.1"
    },
    "matrix_pins": {
      "cols": ["D3", "D2", "D1"],
      "rows": ["B4", "D0"]
    },
    "diode_direction": "COL2ROW",
    "processor": "atmega32u4",
    "bootloader": "caterina",
    "layouts": {
      "LAYOUT": {
        "layout": [
          {"matrix": [0, 0], "x": 0, "y": 0},
          {"matrix": [0, 1], "x": 1, "y": 0},
          {"matrix": [0, 2], "x": 2, "y": 0},

          {"matrix": [1, 0], "x": 0, "y": 1},
          {"matrix": [1, 1], "x": 1, "y": 1},
          {"matrix": [1, 2], "x": 2, "y": 1}
        ]
      }
    }
  }