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Linux/drivers/usb/dwc2/Kconfig

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

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