drivers/usb/gadget/udc/Kconfig - linux - Git at Google

 # SPDX-License-Identifier: GPL-2.0
 #
 # USB Gadget support on a system involves
 #    (a) a peripheral controller, and
 #    (b) the gadget driver using it.
 #
 # NOTE:  Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
 #
 #  - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
 #  - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
 #  - Some systems have both kinds of controllers.
 #
 # With help from a special transceiver and a "Mini-AB" jack, systems with
 # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
 #

 #
 # USB Peripheral Controller Support
 #
 # The order here is alphabetical, except that integrated controllers go
 # before discrete ones so they will be the initial/default value:
 #   - integrated/SOC controllers first
 #   - licensed IP used in both SOC and discrete versions
 #   - discrete ones (including all PCI-only controllers)
 #   - debug/dummy gadget+hcd is last.
 #
 menu "USB Peripheral Controller"

 #
 # Integrated controllers
 #

 config USB_AT91
 	tristate "Atmel AT91 USB Device Port"
 	depends on ARCH_AT91
 	depends on OF || COMPILE_TEST
 	help
 	   Many Atmel AT91 processors (such as the AT91RM2000) have a
 	   full speed USB Device Port with support for five configurable
 	   endpoints (plus endpoint zero).

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "at91_udc" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_LPC32XX
 	tristate "LPC32XX USB Peripheral Controller"
 	depends on ARCH_LPC32XX || COMPILE_TEST
 	depends on I2C
 	select USB_ISP1301
 	help
 	   This option selects the USB device controller in the LPC32xx SoC.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "lpc32xx_udc" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_ATMEL_USBA
 	tristate "Atmel USBA"
 	depends on ARCH_AT91
 	help
 	  USBA is the integrated high-speed USB Device controller on
 	  the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.

 	  The fifo_mode parameter is used to select endpoint allocation mode.
 	  fifo_mode = 0 is used to let the driver autoconfigure the endpoints.
 	  In this case, for ep1 2 banks are allocated if it works in isochronous
 	  mode and only 1 bank otherwise. For the rest of the endpoints
 	  only 1 bank is allocated.

 	  fifo_mode = 1 is a generic maximum fifo size (1024 bytes) configuration
 	  allowing the usage of ep1 - ep6

 	  fifo_mode = 2 is a generic performance maximum fifo size (1024 bytes)
 	  configuration allowing the usage of ep1 - ep3

 	  fifo_mode = 3 is a balanced performance configuration allowing the
 	  the usage of ep1 - ep8

 config USB_BCM63XX_UDC
 	tristate "Broadcom BCM63xx Peripheral Controller"
 	depends on BCM63XX
 	help
 	   Many Broadcom BCM63xx chipsets (such as the BCM6328) have a
 	   high speed USB Device Port with support for four fixed endpoints
 	   (plus endpoint zero).

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "bcm63xx_udc".

 config USB_FSL_USB2
 	tristate "Freescale Highspeed USB DR Peripheral Controller"
 	depends on FSL_SOC
 	help
 	   Some of Freescale PowerPC and i.MX processors have a High Speed
 	   Dual-Role(DR) USB controller, which supports device mode.

 	   The number of programmable endpoints is different through
 	   SOC revisions.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "fsl_usb2_udc" and force
 	   all gadget drivers to also be dynamically linked.

 config USB_FUSB300
 	tristate "Faraday FUSB300 USB Peripheral Controller"
 	depends on !PHYS_ADDR_T_64BIT && HAS_DMA
 	help
 	   Faraday usb device controller FUSB300 driver

 config USB_FOTG210_UDC
 	depends on HAS_DMA
 	tristate "Faraday FOTG210 USB Peripheral Controller"
 	help
 	   Faraday USB2.0 OTG controller which can be configured as
 	   high speed or full speed USB device. This driver supppors
 	   Bulk Transfer so far.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "fotg210_udc".

 config USB_GR_UDC
 	tristate "Aeroflex Gaisler GRUSBDC USB Peripheral Controller Driver"
 	depends on HAS_DMA
 	help
 	  Select this to support Aeroflex Gaisler GRUSBDC cores from the GRLIB
 	  VHDL IP core library.

 config USB_OMAP
 	tristate "OMAP USB Device Controller"
 	depends on ARCH_OMAP1
 	depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3)
 	help
 	   Many Texas Instruments OMAP processors have flexible full
 	   speed USB device controllers, with support for up to 30
 	   endpoints (plus endpoint zero).  This driver supports the
 	   controller in the OMAP 1611, and should work with controllers
 	   in other OMAP processors too, given minor tweaks.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "omap_udc" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_PXA25X
 	tristate "PXA 25x or IXP 4xx"
 	depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX
 	depends on HAS_IOMEM
 	help
 	   Intel's PXA 25x series XScale ARM-5TE processors include
 	   an integrated full speed USB 1.1 device controller.  The
 	   controller in the IXP 4xx series is register-compatible.

 	   It has fifteen fixed-function endpoints, as well as endpoint
 	   zero (for control transfers).

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "pxa25x_udc" and force all
 	   gadget drivers to also be dynamically linked.

 # if there's only one gadget driver, using only two bulk endpoints,
 # don't waste memory for the other endpoints
 config USB_PXA25X_SMALL
 	depends on USB_PXA25X
 	bool
 	default n if USB_ETH_RNDIS
 	default y if USB_ZERO
 	default y if USB_ETH
 	default y if USB_G_SERIAL

 config USB_R8A66597
 	tristate "Renesas R8A66597 USB Peripheral Controller"
 	depends on HAS_DMA
 	help
 	   R8A66597 is a discrete USB host and peripheral controller chip that
 	   supports both full and high speed USB 2.0 data transfers.
 	   It has nine configurable endpoints, and endpoint zero.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "r8a66597_udc" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_RENESAS_USBHS_UDC
 	tristate 'Renesas USBHS controller'
 	depends on USB_RENESAS_USBHS
 	help
 	   Renesas USBHS is a discrete USB host and peripheral controller chip
 	   that supports both full and high speed USB 2.0 data transfers.
 	   It has nine or more configurable endpoints, and endpoint zero.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "renesas_usbhs" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_RENESAS_USB3
 	tristate 'Renesas USB3.0 Peripheral controller'
 	depends on ARCH_RENESAS || COMPILE_TEST
 	depends on EXTCON
 	select USB_ROLE_SWITCH
 	help
 	   Renesas USB3.0 Peripheral controller is a USB peripheral controller
 	   that supports super, high, and full speed USB 3.0 data transfers.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "renesas_usb3" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_PXA27X
 	tristate "PXA 27x"
 	depends on HAS_IOMEM
 	help
 	   Intel's PXA 27x series XScale ARM v5TE processors include
 	   an integrated full speed USB 1.1 device controller.

 	   It has up to 23 endpoints, as well as endpoint zero (for
 	   control transfers).

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "pxa27x_udc" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_S3C2410
 	tristate "S3C2410 USB Device Controller"
 	depends on ARCH_S3C24XX
 	help
 	  Samsung's S3C2410 is an ARM-4 processor with an integrated
 	  full speed USB 1.1 device controller.  It has 4 configurable
 	  endpoints, as well as endpoint zero (for control transfers).

 	  This driver has been tested on the S3C2410, S3C2412, and
 	  S3C2440 processors.

 config USB_S3C2410_DEBUG
 	bool "S3C2410 udc debug messages"
 	depends on USB_S3C2410

 config USB_S3C_HSUDC
 	tristate "S3C2416, S3C2443 and S3C2450 USB Device Controller"
 	depends on ARCH_S3C24XX
 	help
 	  Samsung's S3C2416, S3C2443 and S3C2450 is an ARM9 based SoC
 	  integrated with dual speed USB 2.0 device controller. It has
 	  8 endpoints, as well as endpoint zero.

 	  This driver has been tested on S3C2416 and S3C2450 processors.

 config USB_MV_UDC
 	tristate "Marvell USB2.0 Device Controller"
 	depends on HAS_DMA
 	help
 	  Marvell Socs (including PXA and MMP series) include a high speed
 	  USB2.0 OTG controller, which can be configured as high speed or
 	  full speed USB peripheral.

 config USB_MV_U3D
 	depends on HAS_DMA
 	tristate "MARVELL PXA2128 USB 3.0 controller"
 	help
 	  MARVELL PXA2128 Processor series include a super speed USB3.0 device
 	  controller, which support super speed USB peripheral.

 config USB_SNP_CORE
 	depends on (USB_AMD5536UDC || USB_SNP_UDC_PLAT)
 	depends on HAS_DMA
 	tristate
 	help
 	  This enables core driver support for Synopsys USB 2.0 Device
 	  controller.

 	  This will be enabled when PCI or Platform driver for this UDC is
 	  selected. Currently, this will be enabled by USB_SNP_UDC_PLAT or
 	  USB_AMD5536UDC options.

 	  This IP is different to the High Speed OTG IP that can be enabled
 	  by selecting USB_DWC2 or USB_DWC3 options.

 config USB_SNP_UDC_PLAT
 	tristate "Synopsys USB 2.0 Device controller"
 	depends on USB_GADGET && OF && HAS_DMA
 	depends on EXTCON || EXTCON=n
 	select USB_SNP_CORE
 	default ARCH_BCM_IPROC
 	help
 	  This adds Platform Device support for Synopsys Designware core
 	  AHB subsystem USB2.0 Device Controller (UDC).

 	  This driver works with UDCs integrated into Broadcom's Northstar2
 	  and Cygnus SoCs.

 	  If unsure, say N.
 #
 # Controllers available in both integrated and discrete versions
 #

 config USB_M66592
 	tristate "Renesas M66592 USB Peripheral Controller"
 	depends on HAS_IOMEM
 	help
 	   M66592 is a discrete USB peripheral controller chip that
 	   supports both full and high speed USB 2.0 data transfers.
 	   It has seven configurable endpoints, and endpoint zero.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "m66592_udc" and force all
 	   gadget drivers to also be dynamically linked.

 source "drivers/usb/gadget/udc/bdc/Kconfig"

 #
 # Controllers available only in discrete form (and all PCI controllers)
 #

 config USB_AMD5536UDC
 	tristate "AMD5536 UDC"
 	depends on USB_PCI
 	select USB_SNP_CORE
 	help
 	   The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.
 	   It is a USB Highspeed DMA capable USB device controller. Beside ep0
 	   it provides 4 IN and 4 OUT endpoints (bulk or interrupt type).
 	   The UDC port supports OTG operation, and may be used as a host port
 	   if it's not being used to implement peripheral or OTG roles.

 	   This UDC is based on Synopsys USB device controller IP and selects
 	   CONFIG_USB_SNP_CORE option to build the core driver.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "amd5536udc" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_FSL_QE
 	tristate "Freescale QE/CPM USB Device Controller"
 	depends on FSL_SOC && (QUICC_ENGINE || CPM)
 	depends on !64BIT || BROKEN
 	help
 	   Some of Freescale PowerPC processors have a Full Speed
 	   QE/CPM2 USB controller, which support device mode with 4
 	   programmable endpoints. This driver supports the
 	   controller in the MPC8360 and MPC8272, and should work with
 	   controllers having QE or CPM2, given minor tweaks.

 	   Set CONFIG_USB_GADGET to "m" to build this driver as a
 	   dynamically linked module called "fsl_qe_udc".

 config USB_NET2272
 	depends on HAS_IOMEM
 	tristate "PLX NET2272"
 	help
 	  PLX NET2272 is a USB peripheral controller which supports
 	  both full and high speed USB 2.0 data transfers.

 	  It has three configurable endpoints, as well as endpoint zero
 	  (for control transfer).
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "net2272" and force all
 	  gadget drivers to also be dynamically linked.

 config USB_NET2272_DMA
 	bool "Support external DMA controller"
 	depends on USB_NET2272 && HAS_DMA
 	help
 	  The NET2272 part can optionally support an external DMA
 	  controller, but your board has to have support in the
 	  driver itself.

 	  If unsure, say "N" here.  The driver works fine in PIO mode.

 config USB_NET2280
 	tristate "NetChip NET228x / PLX USB3x8x"
 	depends on USB_PCI
 	help
 	   NetChip 2280 / 2282 is a PCI based USB peripheral controller which
 	   supports both full and high speed USB 2.0 data transfers.

 	   It has six configurable endpoints, as well as endpoint zero
 	   (for control transfers) and several endpoints with dedicated
 	   functions.

 	   PLX 2380 is a PCIe version of the PLX 2380.

 	   PLX 3380 / 3382 is a PCIe based USB peripheral controller which
 	   supports full, high speed USB 2.0 and super speed USB 3.0
 	   data transfers.

 	   It has eight configurable endpoints, as well as endpoint zero
 	   (for control transfers) and several endpoints with dedicated
 	   functions.

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "net2280" and force all
 	   gadget drivers to also be dynamically linked.

 config USB_GOKU
 	tristate "Toshiba TC86C001 'Goku-S'"
 	depends on USB_PCI
 	help
 	   The Toshiba TC86C001 is a PCI device which includes controllers
 	   for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).

 	   The device controller has three configurable (bulk or interrupt)
 	   endpoints, plus endpoint zero (for control transfers).

 	   Say "y" to link the driver statically, or "m" to build a
 	   dynamically linked module called "goku_udc" and to force all
 	   gadget drivers to also be dynamically linked.

 config USB_EG20T
 	tristate "Intel QUARK X1000/EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
 	depends on USB_PCI
 	help
 	  This is a USB device driver for EG20T PCH.
 	  EG20T PCH is the platform controller hub that is used in Intel's
 	  general embedded platform. EG20T PCH has USB device interface.
 	  Using this interface, it is able to access system devices connected
 	  to USB device.
 	  This driver enables USB device function.
 	  USB device is a USB peripheral controller which
 	  supports both full and high speed USB 2.0 data transfers.
 	  This driver supports both control transfer and bulk transfer modes.
 	  This driver dose not support interrupt transfer or isochronous
 	  transfer modes.

 	  This driver also can be used for LAPIS Semiconductor's ML7213 which is
 	  for IVI(In-Vehicle Infotainment) use.
 	  ML7831 is for general purpose use.
 	  ML7213/ML7831 is companion chip for Intel Atom E6xx series.
 	  ML7213/ML7831 is completely compatible for Intel EG20T PCH.

 	  This driver can be used with Intel's Quark X1000 SOC platform

 config USB_GADGET_XILINX
 	tristate "Xilinx USB Driver"
 	depends on HAS_DMA
 	depends on OF || COMPILE_TEST
 	help
 	  USB peripheral controller driver for Xilinx USB2 device.
 	  Xilinx USB2 device is a soft IP which supports both full
 	  and high speed USB 2.0 data transfers. It has seven configurable
 	  endpoints(bulk or interrupt or isochronous), as well as
 	  endpoint zero(for control transfers).

 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "udc-xilinx" and force all
 	  gadget drivers to also be dynamically linked.

 config USB_MAX3420_UDC
 	tristate "MAX3420 (USB-over-SPI) support"
 	depends on SPI
 	help
 	  The Maxim MAX3420 chip supports USB2.0 full-speed peripheral mode.
 	  The MAX3420 is run by SPI interface, and hence the dependency.

 	  To compile this driver as a module, choose M here: the module will
 	  be called max3420_udc

 config USB_TEGRA_XUDC
 	tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller"
 	depends on ARCH_TEGRA || COMPILE_TEST
 	depends on PHY_TEGRA_XUSB
 	help
 	 Enables NVIDIA Tegra USB 3.0 device mode controller driver.

 	 Say "y" to link the driver statically, or "m" to build a
 	 dynamically linked module called "tegra_xudc" and force all
 	 gadget drivers to also be dynamically linked.

 source "drivers/usb/gadget/udc/aspeed-vhub/Kconfig"

 #
 # LAST -- dummy/emulated controller
 #

 config USB_DUMMY_HCD
 	tristate "Dummy HCD (DEVELOPMENT)"
 	depends on USB=y || (USB=m && USB_GADGET=m)
 	help
 	  This host controller driver emulates USB, looping all data transfer
 	  requests back to a USB "gadget driver" in the same host.  The host
 	  side is the controller; the gadget side is the device.  Gadget drivers
 	  can be high, full, or low speed; and they have access to endpoints
 	  like those from NET2280, PXA2xx, or SA1100 hardware.

 	  This may help in some stages of creating a driver to embed in a
 	  Linux device, since it lets you debug several parts of the gadget
 	  driver without its hardware or drivers being involved.

 	  Since such a gadget side driver needs to interoperate with a host
 	  side Linux-USB device driver, this may help to debug both sides
 	  of a USB protocol stack.

 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "dummy_hcd" and force all
 	  gadget drivers to also be dynamically linked.

 # NOTE:  Please keep dummy_hcd LAST so that "real hardware" appears
 # first and will be selected by default.

 endmenu
	# SPDX-License-Identifier: GPL-2.0
	#
	# USB Gadget support on a system involves
	# (a) a peripheral controller, and
	# (b) the gadget driver using it.
	#
	# NOTE: Gadget support DOES NOT depend on host-side CONFIG_USB !!
	#
	# - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
	# - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
	# - Some systems have both kinds of controllers.
	#
	# With help from a special transceiver and a "Mini-AB" jack, systems with
	# both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
	#

	#
	# USB Peripheral Controller Support
	#
	# The order here is alphabetical, except that integrated controllers go
	# before discrete ones so they will be the initial/default value:
	# - integrated/SOC controllers first
	# - licensed IP used in both SOC and discrete versions
	# - discrete ones (including all PCI-only controllers)
	# - debug/dummy gadget+hcd is last.
	#
	menu "USB Peripheral Controller"

	#
	# Integrated controllers
	#

	config USB_AT91
	tristate "Atmel AT91 USB Device Port"
	depends on ARCH_AT91
	depends on OF \|\| COMPILE_TEST
	help
	Many Atmel AT91 processors (such as the AT91RM2000) have a
	full speed USB Device Port with support for five configurable
	endpoints (plus endpoint zero).

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "at91_udc" and force all
	gadget drivers to also be dynamically linked.

	config USB_LPC32XX
	tristate "LPC32XX USB Peripheral Controller"
	depends on ARCH_LPC32XX \|\| COMPILE_TEST
	depends on I2C
	select USB_ISP1301
	help
	This option selects the USB device controller in the LPC32xx SoC.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "lpc32xx_udc" and force all
	gadget drivers to also be dynamically linked.

	config USB_ATMEL_USBA
	tristate "Atmel USBA"
	depends on ARCH_AT91
	help
	USBA is the integrated high-speed USB Device controller on
	the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.

	The fifo_mode parameter is used to select endpoint allocation mode.
	fifo_mode = 0 is used to let the driver autoconfigure the endpoints.
	In this case, for ep1 2 banks are allocated if it works in isochronous
	mode and only 1 bank otherwise. For the rest of the endpoints
	only 1 bank is allocated.

	fifo_mode = 1 is a generic maximum fifo size (1024 bytes) configuration
	allowing the usage of ep1 - ep6

	fifo_mode = 2 is a generic performance maximum fifo size (1024 bytes)
	configuration allowing the usage of ep1 - ep3

	fifo_mode = 3 is a balanced performance configuration allowing the
	the usage of ep1 - ep8

	config USB_BCM63XX_UDC
	tristate "Broadcom BCM63xx Peripheral Controller"
	depends on BCM63XX
	help
	Many Broadcom BCM63xx chipsets (such as the BCM6328) have a
	high speed USB Device Port with support for four fixed endpoints
	(plus endpoint zero).

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "bcm63xx_udc".

	config USB_FSL_USB2
	tristate "Freescale Highspeed USB DR Peripheral Controller"
	depends on FSL_SOC
	help
	Some of Freescale PowerPC and i.MX processors have a High Speed
	Dual-Role(DR) USB controller, which supports device mode.

	The number of programmable endpoints is different through
	SOC revisions.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "fsl_usb2_udc" and force
	all gadget drivers to also be dynamically linked.

	config USB_FUSB300
	tristate "Faraday FUSB300 USB Peripheral Controller"
	depends on !PHYS_ADDR_T_64BIT && HAS_DMA
	help
	Faraday usb device controller FUSB300 driver

	config USB_FOTG210_UDC
	depends on HAS_DMA
	tristate "Faraday FOTG210 USB Peripheral Controller"
	help
	Faraday USB2.0 OTG controller which can be configured as
	high speed or full speed USB device. This driver supppors
	Bulk Transfer so far.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "fotg210_udc".

	config USB_GR_UDC
	tristate "Aeroflex Gaisler GRUSBDC USB Peripheral Controller Driver"
	depends on HAS_DMA
	help
	Select this to support Aeroflex Gaisler GRUSBDC cores from the GRLIB
	VHDL IP core library.

	config USB_OMAP
	tristate "OMAP USB Device Controller"
	depends on ARCH_OMAP1
	depends on ISP1301_OMAP \|\| !(MACH_OMAP_H2 \|\| MACH_OMAP_H3)
	help
	Many Texas Instruments OMAP processors have flexible full
	speed USB device controllers, with support for up to 30
	endpoints (plus endpoint zero). This driver supports the
	controller in the OMAP 1611, and should work with controllers
	in other OMAP processors too, given minor tweaks.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "omap_udc" and force all
	gadget drivers to also be dynamically linked.

	config USB_PXA25X
	tristate "PXA 25x or IXP 4xx"
	depends on (ARCH_PXA && PXA25x) \|\| ARCH_IXP4XX
	depends on HAS_IOMEM
	help
	Intel's PXA 25x series XScale ARM-5TE processors include
	an integrated full speed USB 1.1 device controller. The
	controller in the IXP 4xx series is register-compatible.

	It has fifteen fixed-function endpoints, as well as endpoint
	zero (for control transfers).

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "pxa25x_udc" and force all
	gadget drivers to also be dynamically linked.

	# if there's only one gadget driver, using only two bulk endpoints,
	# don't waste memory for the other endpoints
	config USB_PXA25X_SMALL
	depends on USB_PXA25X
	bool
	default n if USB_ETH_RNDIS
	default y if USB_ZERO
	default y if USB_ETH
	default y if USB_G_SERIAL

	config USB_R8A66597
	tristate "Renesas R8A66597 USB Peripheral Controller"
	depends on HAS_DMA
	help
	R8A66597 is a discrete USB host and peripheral controller chip that
	supports both full and high speed USB 2.0 data transfers.
	It has nine configurable endpoints, and endpoint zero.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "r8a66597_udc" and force all
	gadget drivers to also be dynamically linked.

	config USB_RENESAS_USBHS_UDC
	tristate 'Renesas USBHS controller'
	depends on USB_RENESAS_USBHS
	help
	Renesas USBHS is a discrete USB host and peripheral controller chip
	that supports both full and high speed USB 2.0 data transfers.
	It has nine or more configurable endpoints, and endpoint zero.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "renesas_usbhs" and force all
	gadget drivers to also be dynamically linked.

	config USB_RENESAS_USB3
	tristate 'Renesas USB3.0 Peripheral controller'
	depends on ARCH_RENESAS \|\| COMPILE_TEST
	depends on EXTCON
	select USB_ROLE_SWITCH
	help
	Renesas USB3.0 Peripheral controller is a USB peripheral controller
	that supports super, high, and full speed USB 3.0 data transfers.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "renesas_usb3" and force all
	gadget drivers to also be dynamically linked.

	config USB_PXA27X
	tristate "PXA 27x"
	depends on HAS_IOMEM
	help
	Intel's PXA 27x series XScale ARM v5TE processors include
	an integrated full speed USB 1.1 device controller.

	It has up to 23 endpoints, as well as endpoint zero (for
	control transfers).

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "pxa27x_udc" and force all
	gadget drivers to also be dynamically linked.

	config USB_S3C2410
	tristate "S3C2410 USB Device Controller"
	depends on ARCH_S3C24XX
	help
	Samsung's S3C2410 is an ARM-4 processor with an integrated
	full speed USB 1.1 device controller. It has 4 configurable
	endpoints, as well as endpoint zero (for control transfers).

	This driver has been tested on the S3C2410, S3C2412, and
	S3C2440 processors.

	config USB_S3C2410_DEBUG
	bool "S3C2410 udc debug messages"
	depends on USB_S3C2410

	config USB_S3C_HSUDC
	tristate "S3C2416, S3C2443 and S3C2450 USB Device Controller"
	depends on ARCH_S3C24XX
	help
	Samsung's S3C2416, S3C2443 and S3C2450 is an ARM9 based SoC
	integrated with dual speed USB 2.0 device controller. It has
	8 endpoints, as well as endpoint zero.

	This driver has been tested on S3C2416 and S3C2450 processors.

	config USB_MV_UDC
	tristate "Marvell USB2.0 Device Controller"
	depends on HAS_DMA
	help
	Marvell Socs (including PXA and MMP series) include a high speed
	USB2.0 OTG controller, which can be configured as high speed or
	full speed USB peripheral.

	config USB_MV_U3D
	depends on HAS_DMA
	tristate "MARVELL PXA2128 USB 3.0 controller"
	help
	MARVELL PXA2128 Processor series include a super speed USB3.0 device
	controller, which support super speed USB peripheral.

	config USB_SNP_CORE
	depends on (USB_AMD5536UDC \|\| USB_SNP_UDC_PLAT)
	depends on HAS_DMA
	tristate
	help
	This enables core driver support for Synopsys USB 2.0 Device
	controller.

	This will be enabled when PCI or Platform driver for this UDC is
	selected. Currently, this will be enabled by USB_SNP_UDC_PLAT or
	USB_AMD5536UDC options.

	This IP is different to the High Speed OTG IP that can be enabled
	by selecting USB_DWC2 or USB_DWC3 options.

	config USB_SNP_UDC_PLAT
	tristate "Synopsys USB 2.0 Device controller"
	depends on USB_GADGET && OF && HAS_DMA
	depends on EXTCON \|\| EXTCON=n
	select USB_SNP_CORE
	default ARCH_BCM_IPROC
	help
	This adds Platform Device support for Synopsys Designware core
	AHB subsystem USB2.0 Device Controller (UDC).

	This driver works with UDCs integrated into Broadcom's Northstar2
	and Cygnus SoCs.

	If unsure, say N.
	#
	# Controllers available in both integrated and discrete versions
	#

	config USB_M66592
	tristate "Renesas M66592 USB Peripheral Controller"
	depends on HAS_IOMEM
	help
	M66592 is a discrete USB peripheral controller chip that
	supports both full and high speed USB 2.0 data transfers.
	It has seven configurable endpoints, and endpoint zero.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "m66592_udc" and force all
	gadget drivers to also be dynamically linked.

	source "drivers/usb/gadget/udc/bdc/Kconfig"

	#
	# Controllers available only in discrete form (and all PCI controllers)
	#

	config USB_AMD5536UDC
	tristate "AMD5536 UDC"
	depends on USB_PCI
	select USB_SNP_CORE
	help
	The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.
	It is a USB Highspeed DMA capable USB device controller. Beside ep0
	it provides 4 IN and 4 OUT endpoints (bulk or interrupt type).
	The UDC port supports OTG operation, and may be used as a host port
	if it's not being used to implement peripheral or OTG roles.

	This UDC is based on Synopsys USB device controller IP and selects
	CONFIG_USB_SNP_CORE option to build the core driver.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "amd5536udc" and force all
	gadget drivers to also be dynamically linked.

	config USB_FSL_QE
	tristate "Freescale QE/CPM USB Device Controller"
	depends on FSL_SOC && (QUICC_ENGINE \|\| CPM)
	depends on !64BIT \|\| BROKEN
	help
	Some of Freescale PowerPC processors have a Full Speed
	QE/CPM2 USB controller, which support device mode with 4
	programmable endpoints. This driver supports the
	controller in the MPC8360 and MPC8272, and should work with
	controllers having QE or CPM2, given minor tweaks.

	Set CONFIG_USB_GADGET to "m" to build this driver as a
	dynamically linked module called "fsl_qe_udc".

	config USB_NET2272
	depends on HAS_IOMEM
	tristate "PLX NET2272"
	help
	PLX NET2272 is a USB peripheral controller which supports
	both full and high speed USB 2.0 data transfers.

	It has three configurable endpoints, as well as endpoint zero
	(for control transfer).
	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "net2272" and force all
	gadget drivers to also be dynamically linked.

	config USB_NET2272_DMA
	bool "Support external DMA controller"
	depends on USB_NET2272 && HAS_DMA
	help
	The NET2272 part can optionally support an external DMA
	controller, but your board has to have support in the
	driver itself.

	If unsure, say "N" here. The driver works fine in PIO mode.

	config USB_NET2280
	tristate "NetChip NET228x / PLX USB3x8x"
	depends on USB_PCI
	help
	NetChip 2280 / 2282 is a PCI based USB peripheral controller which
	supports both full and high speed USB 2.0 data transfers.

	It has six configurable endpoints, as well as endpoint zero
	(for control transfers) and several endpoints with dedicated
	functions.

	PLX 2380 is a PCIe version of the PLX 2380.

	PLX 3380 / 3382 is a PCIe based USB peripheral controller which
	supports full, high speed USB 2.0 and super speed USB 3.0
	data transfers.

	It has eight configurable endpoints, as well as endpoint zero
	(for control transfers) and several endpoints with dedicated
	functions.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "net2280" and force all
	gadget drivers to also be dynamically linked.

	config USB_GOKU
	tristate "Toshiba TC86C001 'Goku-S'"
	depends on USB_PCI
	help
	The Toshiba TC86C001 is a PCI device which includes controllers
	for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).

	The device controller has three configurable (bulk or interrupt)
	endpoints, plus endpoint zero (for control transfers).

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "goku_udc" and to force all
	gadget drivers to also be dynamically linked.

	config USB_EG20T
	tristate "Intel QUARK X1000/EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
	depends on USB_PCI
	help
	This is a USB device driver for EG20T PCH.
	EG20T PCH is the platform controller hub that is used in Intel's
	general embedded platform. EG20T PCH has USB device interface.
	Using this interface, it is able to access system devices connected
	to USB device.
	This driver enables USB device function.
	USB device is a USB peripheral controller which
	supports both full and high speed USB 2.0 data transfers.
	This driver supports both control transfer and bulk transfer modes.
	This driver dose not support interrupt transfer or isochronous
	transfer modes.

	This driver also can be used for LAPIS Semiconductor's ML7213 which is
	for IVI(In-Vehicle Infotainment) use.
	ML7831 is for general purpose use.
	ML7213/ML7831 is companion chip for Intel Atom E6xx series.
	ML7213/ML7831 is completely compatible for Intel EG20T PCH.

	This driver can be used with Intel's Quark X1000 SOC platform

	config USB_GADGET_XILINX
	tristate "Xilinx USB Driver"
	depends on HAS_DMA
	depends on OF \|\| COMPILE_TEST
	help
	USB peripheral controller driver for Xilinx USB2 device.
	Xilinx USB2 device is a soft IP which supports both full
	and high speed USB 2.0 data transfers. It has seven configurable
	endpoints(bulk or interrupt or isochronous), as well as
	endpoint zero(for control transfers).

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "udc-xilinx" and force all
	gadget drivers to also be dynamically linked.

	config USB_MAX3420_UDC
	tristate "MAX3420 (USB-over-SPI) support"
	depends on SPI
	help
	The Maxim MAX3420 chip supports USB2.0 full-speed peripheral mode.
	The MAX3420 is run by SPI interface, and hence the dependency.

	To compile this driver as a module, choose M here: the module will
	be called max3420_udc

	config USB_TEGRA_XUDC
	tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller"
	depends on ARCH_TEGRA \|\| COMPILE_TEST
	depends on PHY_TEGRA_XUSB
	help
	Enables NVIDIA Tegra USB 3.0 device mode controller driver.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "tegra_xudc" and force all
	gadget drivers to also be dynamically linked.

	source "drivers/usb/gadget/udc/aspeed-vhub/Kconfig"

	#
	# LAST -- dummy/emulated controller
	#

	config USB_DUMMY_HCD
	tristate "Dummy HCD (DEVELOPMENT)"
	depends on USB=y \|\| (USB=m && USB_GADGET=m)
	help
	This host controller driver emulates USB, looping all data transfer
	requests back to a USB "gadget driver" in the same host. The host
	side is the controller; the gadget side is the device. Gadget drivers
	can be high, full, or low speed; and they have access to endpoints
	like those from NET2280, PXA2xx, or SA1100 hardware.

	This may help in some stages of creating a driver to embed in a
	Linux device, since it lets you debug several parts of the gadget
	driver without its hardware or drivers being involved.

	Since such a gadget side driver needs to interoperate with a host
	side Linux-USB device driver, this may help to debug both sides
	of a USB protocol stack.

	Say "y" to link the driver statically, or "m" to build a
	dynamically linked module called "dummy_hcd" and force all
	gadget drivers to also be dynamically linked.

	# NOTE: Please keep dummy_hcd LAST so that "real hardware" appears
	# first and will be selected by default.

	endmenu