qmk_firmware/keyboards/handwired/onekey/kb2040/keyboard.json

{
    "keyboard_name": "Onekey KB2040",
    "development_board": "kb2040",
    "matrix_pins": {
        "cols": ["GP4"],
        "rows": ["GP5"]
    },
    "ws2812": {
        "pin": "GP17",
        "driver": "vendor"
    },
    "features": {
        "oled": true
    }
}