qmk_firmware/keyboards/melgeek/mach80/rev1/info.json

{
    "rgb_matrix": {
        "driver": "is31fl3741"
    },
    "matrix_pins": {
        "cols": ["B0", "B1", "B2", "B3", "D2", "D5", "D4", "D6", "D7", "B4", "B5", "B6", "C6", "C7", "F7", "D3"],
        "rows": ["F0", "F1", "F4", "F5", "F6", "E6"]
    },
    "diode_direction": "ROW2COL"
}