# SPDX-License-Identifier: Apache-2.0 add_subdirectory_ifdef(CONFIG_UDC_DRIVER udc) add_subdirectory_ifdef(CONFIG_UHC_DRIVER uhc) add_subdirectory_ifdef(CONFIG_UVB uvb) add_subdirectory_ifdef(CONFIG_USB_BC12 bc12) add_subdirectory_ifdef(CONFIG_USB_DEVICE_DRIVER device)