|  | # Copyright (c) 2021-2022 Nordic Semiconductor ASA | 
|  | # SPDX-License-Identifier: Apache-2.0 | 
|  |  | 
|  |  | 
|  | menuconfig UDC_DRIVER | 
|  | bool "USB device controller drivers [EXPERIMENTAL]" | 
|  | select EXPERIMENTAL | 
|  | select NET_BUF | 
|  | help | 
|  | USB device controller driver. | 
|  |  | 
|  | if UDC_DRIVER | 
|  |  | 
|  | config UDC_BUF_COUNT | 
|  | int "Number of buffers in the pool" | 
|  | range 16 256 | 
|  | default 16 | 
|  | help | 
|  | Number of UDC request buffers in the pool. | 
|  |  | 
|  | config UDC_BUF_POOL_SIZE | 
|  | int "Memory available for requests" | 
|  | range 64 32768 | 
|  | default 1024 | 
|  | help | 
|  | Total amount of memory available for UDC requests. | 
|  |  | 
|  | config UDC_BUF_FORCE_NOCACHE | 
|  | bool "Place the buffer pools in the nocache memory region" | 
|  | depends on NOCACHE_MEMORY && DCACHE | 
|  | help | 
|  | Place the buffer pools in the nocache memory region if the driver | 
|  | cannot handle buffers in cached memory. | 
|  |  | 
|  | config UDC_WORKQUEUE | 
|  | bool "Use a dedicate work queue for UDC drivers" | 
|  | help | 
|  | This option provides a dedicated work queue for UDC drivers. | 
|  |  | 
|  | config UDC_WORKQUEUE_STACK_SIZE | 
|  | int "UDC workqueue stack size" | 
|  | depends on UDC_WORKQUEUE | 
|  | default 512 | 
|  |  | 
|  | config UDC_WORKQUEUE_PRIORITY | 
|  | int "UDC workqueue priority" | 
|  | depends on UDC_WORKQUEUE | 
|  | default SYSTEM_WORKQUEUE_PRIORITY | 
|  | help | 
|  | By default, UDC work queue priority is the same as | 
|  | System workqueue priority. | 
|  |  | 
|  | module = UDC_DRIVER | 
|  | module-str = usb drv | 
|  | source "subsys/logging/Kconfig.template.log_config" | 
|  |  | 
|  | source "drivers/usb/udc/Kconfig.dwc2" | 
|  | source "drivers/usb/udc/Kconfig.nrf" | 
|  | source "drivers/usb/udc/Kconfig.kinetis" | 
|  | source "drivers/usb/udc/Kconfig.skeleton" | 
|  | source "drivers/usb/udc/Kconfig.virtual" | 
|  | source "drivers/usb/udc/Kconfig.smartbond" | 
|  | source "drivers/usb/udc/Kconfig.stm32" | 
|  | source "drivers/usb/udc/Kconfig.it82xx2" | 
|  | source "drivers/usb/udc/Kconfig.mcux" | 
|  | source "drivers/usb/udc/Kconfig.numaker" | 
|  | source "drivers/usb/udc/Kconfig.rpi_pico" | 
|  | source "drivers/usb/udc/Kconfig.ambiq" | 
|  | source "drivers/usb/udc/Kconfig.renesas_ra" | 
|  |  | 
|  | endif # UDC_DRIVER |