1config 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 18if USB_DWC2 19 20choice 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 26config 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 34comment "Gadget/Dual-role mode requires USB Gadget support to be enabled" 35 36config 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 45config 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. 53endchoice 54 55config USB_DWC2_PCI 56 tristate "DWC2 PCI" 57 depends on USB_PCI 58 depends on USB_GADGET || !USB_GADGET 59 default n 60 select NOP_USB_XCEIV 61 help 62 The Designware USB2.0 PCI interface module for controllers 63 connected to a PCI bus. 64 65config USB_DWC2_DEBUG 66 bool "Enable Debugging Messages" 67 help 68 Say Y here to enable debugging messages in the DWC2 Driver. 69 70config USB_DWC2_VERBOSE 71 bool "Enable Verbose Debugging Messages" 72 depends on USB_DWC2_DEBUG 73 help 74 Say Y here to enable verbose debugging messages in the DWC2 Driver. 75 WARNING: Enabling this will quickly fill your message log. 76 If in doubt, say N. 77 78config USB_DWC2_TRACK_MISSED_SOFS 79 bool "Enable Missed SOF Tracking" 80 help 81 Say Y here to enable logging of missed SOF events to the dmesg log. 82 WARNING: This feature is still experimental. 83 If in doubt, say N. 84 85config USB_DWC2_DEBUG_PERIODIC 86 bool "Enable Debugging Messages For Periodic Transfers" 87 depends on USB_DWC2_DEBUG || USB_DWC2_VERBOSE 88 default y 89 help 90 Say N here to disable (verbose) debugging messages to be 91 logged for periodic transfers. This allows better debugging of 92 non-periodic transfers, but of course the debug logs will be 93 incomplete. Note that this also disables some debug messages 94 for which the transfer type cannot be deduced. 95endif 96