qmk-firmware/keyboards/rate/pistachio/rev1/info.json

{
    "ws2812": {
        "pin": "D2"
    },
    "matrix_pins": {
        "cols": ["F4", "F5", "F6", "F7", "B1", "B3", "B2", "B6", "D3"],
        "rows": ["D4", "C6", "D7", "E6", "B4", "B5"]
    },
    "diode_direction": "COL2ROW"
}