qmk_firmware/keyboards/rmi_kb/tkl_ff/v2/info.json

{
    "usb": {
        "pid": "0x10FF"
    },
    "rgblight": {
        "hue_steps": 32,
        "saturation_steps": 32,
        "brightness_steps": 32,
        "led_count": 26
    },
    "ws2812": {
        "pin": "E2"
    }
}