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

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