Method (_DSM, 4, NotSerialized)
                {
                    Store (Package (0x04)
                        {
                            "AAPL,clock-id",
                            Buffer (One)
                            {
                                0x01
                            },

                            "device_type",
                            Buffer (0x05)
                            {
                                "EHCI"
                            }
                        }, Local0)
                    DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                    Return (Local0)
                }