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Linux/drivers/usb/dwc2/Kconfig

  1 config USB_DWC2
  2         tristate "DesignWare USB2 DRD Core Support"
  3         depends on USB || USB_GADGET
  4         help
  5           Say Y here if your system has a Dual Role Hi-Speed USB
  6           controller based on the DesignWare HSOTG IP Core.
  7 
  8           For host mode, if you choose to build the driver as dynamically
  9           linked modules, the core module will be called dwc2.ko, the PCI
 10           bus interface module (if you have a PCI bus system) will be
 11           called dwc2_pci.ko, and the platform interface module (for
 12           controllers directly connected to the CPU) will be called
 13           dwc2_platform.ko. For all modes(host, gadget and dual-role), there
 14           will be an additional module named dwc2.ko.
 15 
 16 if USB_DWC2
 17 
 18 choice
 19         bool "DWC2 Mode Selection"
 20         default USB_DWC2_DUAL_ROLE if (USB && USB_GADGET)
 21         default USB_DWC2_HOST if (USB && !USB_GADGET)
 22         default USB_DWC2_PERIPHERAL if (!USB && USB_GADGET)
 23 
 24 config USB_DWC2_HOST
 25         bool "Host only mode"
 26         depends on USB=y || (USB_DWC2=m && USB)
 27         help
 28           The Designware USB2.0 high-speed host controller
 29           integrated into many SoCs. Select this option if you want the
 30           driver to operate in Host-only mode.
 31 
 32 comment "Gadget/Dual-role mode requires USB Gadget support to be enabled"
 33 
 34 config USB_DWC2_PERIPHERAL
 35         bool "Gadget only mode"
 36         depends on USB_GADGET=y || USB_GADGET=USB_DWC2
 37         help
 38           The Designware USB2.0 high-speed gadget controller
 39           integrated into many SoCs. Select this option if you want the
 40           driver to operate in Peripheral-only mode. This option requires
 41           USB_GADGET to be enabled.
 42 
 43 config USB_DWC2_DUAL_ROLE
 44         bool "Dual Role mode"
 45         depends on (USB=y && USB_GADGET=y) || (USB_DWC2=m && USB && USB_GADGET)
 46         help
 47           Select this option if you want the driver to work in a dual-role
 48           mode. In this mode both host and gadget features are enabled, and
 49           the role will be determined by the cable that gets plugged-in. This
 50           option requires USB_GADGET to be enabled.
 51 endchoice
 52 
 53 config USB_DWC2_PCI
 54         tristate "DWC2 PCI"
 55         depends on PCI
 56         default n
 57         select NOP_USB_XCEIV
 58         help
 59           The Designware USB2.0 PCI interface module for controllers
 60           connected to a PCI bus.
 61 
 62 config USB_DWC2_DEBUG
 63         bool "Enable Debugging Messages"
 64         help
 65           Say Y here to enable debugging messages in the DWC2 Driver.
 66 
 67 config USB_DWC2_VERBOSE
 68         bool "Enable Verbose Debugging Messages"
 69         depends on USB_DWC2_DEBUG
 70         help
 71           Say Y here to enable verbose debugging messages in the DWC2 Driver.
 72           WARNING: Enabling this will quickly fill your message log.
 73           If in doubt, say N.
 74 
 75 config USB_DWC2_TRACK_MISSED_SOFS
 76         bool "Enable Missed SOF Tracking"
 77         help
 78           Say Y here to enable logging of missed SOF events to the dmesg log.
 79           WARNING: This feature is still experimental.
 80           If in doubt, say N.
 81 
 82 config USB_DWC2_DEBUG_PERIODIC
 83         bool "Enable Debugging Messages For Periodic Transfers"
 84         depends on USB_DWC2_DEBUG || USB_DWC2_VERBOSE
 85         default y
 86         help
 87           Say N here to disable (verbose) debugging messages to be
 88           logged for periodic transfers. This allows better debugging of
 89           non-periodic transfers, but of course the debug logs will be
 90           incomplete. Note that this also disables some debug messages
 91           for which the transfer type cannot be deduced.
 92 endif

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