def METHOD_NAME(cls, parser, access):
    super().METHOD_NAME(parser, access)
    parser.add_argument(
        "-f", "--frequency", metavar="FREQ", type=float,
        help="set oscillator frequency to FREQ MHz")
    access.add_pin_argument(parser, "clk", default=True)
    access.add_pin_argument(parser, "din", default=True)
    access.add_pin_argument(parser, "osc", required=False)