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# SPDX-License-Identifier: GPL-2.0
#
# USB device configuration
#
config USB_OHCI_BIG_ENDIAN_DESC
bool
config USB_OHCI_BIG_ENDIAN_MMIO
bool
config USB_OHCI_LITTLE_ENDIAN
bool
default n if PPC_MPC52xx
default y
config USB_EHCI_BIG_ENDIAN_MMIO
bool
config USB_EHCI_BIG_ENDIAN_DESC
bool
config USB_UHCI_BIG_ENDIAN_MMIO
bool
config USB_UHCI_BIG_ENDIAN_DESC
bool
menuconfig USB_SUPPORT
bool "USB support"
depends on HAS_IOMEM
default y
help
This option adds core support for Universal Serial Bus (USB).
You will also need drivers from the following menu to make use of it.
if USB_SUPPORT
source "drivers/usb/common/Kconfig"
config USB_ARCH_HAS_HCD
def_bool y
config USB
tristate "Support for Host-side USB"
depends on USB_ARCH_HAS_HCD
select GENERIC_ALLOCATOR
select USB_COMMON
select NLS # for UTF-8 strings
help
Universal Serial Bus (USB) is a specification for a serial bus
subsystem which offers higher speeds and more features than the
traditional PC serial port. The bus supplies power to peripherals
and allows for hot swapping. Up to 127 USB peripherals can be
connected to a single USB host in a tree structure.
The USB host is the root of the tree, the peripherals are the
leaves and the inner nodes are special USB devices called hubs.
Most PCs now have USB host ports, used to connect peripherals
such as scanners, keyboards, mice, modems, cameras, disks,
flash memory, network links, and printers to the PC.
Say Y here if your computer has a host-side USB port and you want
to use USB devices. You then need to say Y to at least one of the
Host Controller Driver (HCD) options below. Choose a USB 1.1
controller, such as "UHCI HCD support" or "OHCI HCD support",
and "EHCI HCD (USB 2.0) support" except for older systems that
do not have USB 2.0 support. It doesn't normally hurt to select
them all if you are not certain.
If your system has a device-side USB port, used in the peripheral
side of the USB protocol, see the "USB Gadget" framework instead.
After choosing your HCD, then select drivers for the USB peripherals
you'll be using. You may want to check out the information provided
in <file:Documentation/usb/> and especially the links given in
<file:Documentation/usb/usb-help.rst>.
To compile this driver as a module, choose M here: the
module will be called usbcore.
config USB_PCI
bool "PCI based USB host interface"
depends on PCI
default y
help
Many embedded system SOCs (e.g. freescale T2080) have both
PCI and USB modules with the USB module directly controlled by
registers and having no relationship to the PCI module.
If you have such a device you may say N here and PCI related code
will not be built in the USB driver.
config USB_PCI_AMD
bool "AMD PCI USB host support"
depends on USB_PCI && HAS_IOPORT
default X86 || MACH_LOONGSON64 || PPC_PASEMI
help
Enable workarounds for USB implementation quirks in SB600/SB700/SB800
and later south bridge implementations. These are common on x86 PCs
with AMD CPUs but rarely used elsewhere, with the exception of a few
powerpc and mips desktop machines.
if USB
source "drivers/usb/core/Kconfig"
source "drivers/usb/mon/Kconfig"
source "drivers/usb/host/Kconfig"
source "drivers/usb/renesas_usbhs/Kconfig"
source "drivers/usb/class/Kconfig"
source "drivers/usb/storage/Kconfig"
source "drivers/usb/image/Kconfig"
source "drivers/usb/usbip/Kconfig"
endif
comment "USB dual-mode controller drivers"
source "drivers/usb/cdns3/Kconfig"
source "drivers/usb/fotg210/Kconfig"
source "drivers/usb/mtu3/Kconfig"
source "drivers/usb/musb/Kconfig"
source "drivers/usb/dwc3/Kconfig"
source "drivers/usb/dwc2/Kconfig"
source "drivers/usb/chipidea/Kconfig"
source "drivers/usb/isp1760/Kconfig"
comment "USB port drivers"
if USB
source "drivers/usb/serial/Kconfig"
source "drivers/usb/misc/Kconfig"
source "drivers/usb/atm/Kconfig"
endif # USB
source "drivers/usb/phy/Kconfig"
source "drivers/usb/gadget/Kconfig"
source "drivers/usb/typec/Kconfig"
source "drivers/usb/roles/Kconfig"
endif # USB_SUPPORT
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