1# SPDX-License-Identifier: GPL-2.0-only 2menuconfig USB4 3 tristate "Unified support for USB4 and Thunderbolt" 4 depends on PCI 5 depends on X86 || COMPILE_TEST 6 select APPLE_PROPERTIES if EFI_STUB && X86 7 select CRC32 8 select CRYPTO 9 select CRYPTO_HASH 10 select NVMEM 11 help 12 USB4 and Thunderbolt driver. USB4 is the public speficiation 13 based on Thunderbolt 3 protocol. This driver is required if 14 you want to hotplug Thunderbolt and USB4 compliant devices on 15 Apple hardware or on PCs with Intel Falcon Ridge or newer. 16 17 To compile this driver a module, choose M here. The module will be 18 called thunderbolt. 19