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+# 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 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 && HAS_DMA
+ 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.
+
+config USB_ASPEED_UDC
+ tristate "Aspeed UDC driver support"
+ depends on ARCH_ASPEED || COMPILE_TEST
+ depends on USB_LIBCOMPOSITE
+ help
+ Enables Aspeed USB2.0 Device Controller driver for AST260x
+ family SoCs. The controller supports 1 control endpoint and
+ 4 programmable endpoints.
+
+ Say "y" to link the driver statically, or "m" to build a
+ dynamically linked module called "aspeed_udc" 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