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": [
            {"label":"k00", "x":0, "y":0}, {"label":"k01", "x":1, "y":0}, {"label":"k02", "x":2, "y":0},
            {"label":"k10", "x":0, "y":1}, {"label":"k11", "x":1, "y":1}, {"label":"k12", "x":2, "y":1}
        ]
      }
    }
  }