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The Faraday FOTG210 is a dual-mode OTG USB controller that can act as host, peripheral or both. To be able to probe from one hardware description and to follow the pattern of other dual- mode controllers such as MUSB or MTU3 we need to collect the two, currently completely separate drivers in the same directory. After this, users need to select the main symbol USB_FOTG210 and then each respective subdriver. We pave the road to compile both drivers into the same kernel and select the one we want to use at probe() time, and possibly add OTG support in the end. This patch doesn't do much more than create the new symbol and collect the drivers in one place. We also add a comment for the section of dual-mode controllers in the Kconfig file so people can see what these selections are about. Also add myself as maintainer as there has been little response on my patches to these drivers. Cc: Fabian Vogt <fabian@ritter-vogt.de> Cc: Yuan-Hsin Chen <yhchen@faraday-tech.com> Cc: Felipe Balbi <balbi@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20221023144708.3596563-1-linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
182 lines
4.8 KiB
Plaintext
182 lines
4.8 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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#
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# USB device configuration
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#
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config USB_OHCI_BIG_ENDIAN_DESC
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bool
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config USB_OHCI_BIG_ENDIAN_MMIO
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bool
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config USB_OHCI_LITTLE_ENDIAN
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bool
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default n if PPC_MPC52xx
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default y
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config USB_EHCI_BIG_ENDIAN_MMIO
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bool
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config USB_EHCI_BIG_ENDIAN_DESC
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bool
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config USB_UHCI_BIG_ENDIAN_MMIO
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bool
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config USB_UHCI_BIG_ENDIAN_DESC
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bool
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menuconfig USB_SUPPORT
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bool "USB support"
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depends on HAS_IOMEM
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default y
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help
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This option adds core support for Universal Serial Bus (USB).
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You will also need drivers from the following menu to make use of it.
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if USB_SUPPORT
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source "drivers/usb/common/Kconfig"
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config USB_ARCH_HAS_HCD
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def_bool y
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config USB
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tristate "Support for Host-side USB"
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depends on USB_ARCH_HAS_HCD
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select GENERIC_ALLOCATOR
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select USB_COMMON
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select NLS # for UTF-8 strings
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help
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Universal Serial Bus (USB) is a specification for a serial bus
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subsystem which offers higher speeds and more features than the
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traditional PC serial port. The bus supplies power to peripherals
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and allows for hot swapping. Up to 127 USB peripherals can be
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connected to a single USB host in a tree structure.
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The USB host is the root of the tree, the peripherals are the
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leaves and the inner nodes are special USB devices called hubs.
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Most PCs now have USB host ports, used to connect peripherals
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such as scanners, keyboards, mice, modems, cameras, disks,
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flash memory, network links, and printers to the PC.
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Say Y here if your computer has a host-side USB port and you want
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to use USB devices. You then need to say Y to at least one of the
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Host Controller Driver (HCD) options below. Choose a USB 1.1
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controller, such as "UHCI HCD support" or "OHCI HCD support",
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and "EHCI HCD (USB 2.0) support" except for older systems that
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do not have USB 2.0 support. It doesn't normally hurt to select
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them all if you are not certain.
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If your system has a device-side USB port, used in the peripheral
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side of the USB protocol, see the "USB Gadget" framework instead.
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After choosing your HCD, then select drivers for the USB peripherals
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you'll be using. You may want to check out the information provided
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in <file:Documentation/usb/> and especially the links given in
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<file:Documentation/usb/usb-help.rst>.
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To compile this driver as a module, choose M here: the
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module will be called usbcore.
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config USB_PCI
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bool "PCI based USB host interface"
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depends on PCI
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default y
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help
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Many embedded system SOCs (e.g. freescale T2080) have both
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PCI and USB modules with the USB module directly controlled by
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registers and having no relationship to the PCI module.
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If you have such a device you may say N here and PCI related code
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will not be built in the USB driver.
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if USB
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source "drivers/usb/core/Kconfig"
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source "drivers/usb/mon/Kconfig"
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source "drivers/usb/host/Kconfig"
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source "drivers/usb/renesas_usbhs/Kconfig"
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source "drivers/usb/class/Kconfig"
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source "drivers/usb/storage/Kconfig"
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source "drivers/usb/image/Kconfig"
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source "drivers/usb/usbip/Kconfig"
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endif
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comment "USB dual-mode controller drivers"
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source "drivers/usb/cdns3/Kconfig"
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source "drivers/usb/fotg210/Kconfig"
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source "drivers/usb/mtu3/Kconfig"
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source "drivers/usb/musb/Kconfig"
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source "drivers/usb/dwc3/Kconfig"
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source "drivers/usb/dwc2/Kconfig"
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source "drivers/usb/chipidea/Kconfig"
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source "drivers/usb/isp1760/Kconfig"
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comment "USB port drivers"
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if USB
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config USB_USS720
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tristate "USS720 parport driver"
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depends on PARPORT
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select PARPORT_NOT_PC
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help
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This driver is for USB parallel port adapters that use the Lucent
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Technologies USS-720 chip. These cables are plugged into your USB
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port and provide USB compatibility to peripherals designed with
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parallel port interfaces.
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The chip has two modes: automatic mode and manual mode. In automatic
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mode, it looks to the computer like a standard USB printer. Only
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printers may be connected to the USS-720 in this mode. The generic
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USB printer driver ("USB Printer support", above) may be used in
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that mode, and you can say N here if you want to use the chip only
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in this mode.
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Manual mode is not limited to printers, any parallel port
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device should work. This driver utilizes manual mode.
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Note however that some operations are three orders of magnitude
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slower than on a PCI/ISA Parallel Port, so timing critical
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applications might not work.
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Say Y here if you own an USS-720 USB->Parport cable and intend to
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connect anything other than a printer to it.
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To compile this driver as a module, choose M here: the
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module will be called uss720.
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source "drivers/usb/serial/Kconfig"
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source "drivers/usb/misc/Kconfig"
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source "drivers/usb/atm/Kconfig"
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endif # USB
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source "drivers/usb/phy/Kconfig"
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source "drivers/usb/gadget/Kconfig"
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source "drivers/usb/typec/Kconfig"
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source "drivers/usb/roles/Kconfig"
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endif # USB_SUPPORT
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