drivers/usb/gadget/Kconfig

   1 #
   2 # USB Gadget support on a system involves
   3 #    (a) a peripheral controller, and
   4 #    (b) the gadget driver using it.
   5 #
   6 # NOTE:  Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
   7 #
   8 #  - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
   9 #  - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
  10 #  - Some systems have both kinds of controllers.
  11 #
  12 # With help from a special transceiver and a "Mini-AB" jack, systems with
  13 # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
  14 #
  15
  16 menuconfig USB_GADGET
  17         bool "USB Gadget Support"
  18         help
  19            USB is a master/slave protocol, organized with one master
  20            host (such as a PC) controlling up to 127 peripheral devices.
  21            The USB hardware is asymmetric, which makes it easier to set up:
  22            you can't connect a "to-the-host" connector to a peripheral.
  23
  24            U-Boot can run in the host, or in the peripheral.  In both cases
  25            you need a low level bus controller driver, and some software
  26            talking to it.  Peripheral controllers are often discrete silicon,
  27            or are integrated with the CPU in a microcontroller.  The more
  28            familiar host side controllers have names like "EHCI", "OHCI",
  29            or "UHCI", and are usually integrated into southbridges on PC
  30            motherboards.
  31
  32            Enable this configuration option if you want to run U-Boot inside
  33            a USB peripheral device.  Configure one hardware driver for your
  34            peripheral/device side bus controller, and a "gadget driver" for
  35            your peripheral protocol.
  36
  37 if USB_GADGET
  38
  39 config USB_GADGET_ATMEL_USBA
  40         bool "Atmel USBA"
  41         select USB_GADGET_DUALSPEED
  42         help
  43           USBA is the integrated high-speed USB Device controller on
  44           the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.
  45
  46 config USB_GADGET_DWC2_OTG
  47         bool "DesignWare USB2.0 HS OTG controller (gadget mode)"
  48         select USB_GADGET_DUALSPEED
  49         help
  50           The Designware USB2.0 high-speed gadget controller
  51           integrated into many SoCs. Select this option if you want the
  52           driver to operate in Peripheral mode. This option requires
  53           USB_GADGET to be enabled.
  54
  55 config CI_UDC
  56         bool "ChipIdea device controller"
  57         select USB_GADGET_DUALSPEED
  58         help
  59           Say Y here to enable device controller functionality of the
  60           ChipIdea driver.
  61
  62 config USB_GADGET_VBUS_DRAW
  63         int "Maximum VBUS Power usage (2-500 mA)"
  64         range 2 500
  65         default 2
  66         help
  67            Some devices need to draw power from USB when they are
  68            configured, perhaps to operate circuitry or to recharge
  69            batteries.  This is in addition to any local power supply,
  70            such as an AC adapter or batteries.
  71
  72            Enter the maximum power your device draws through USB, in
  73            milliAmperes.  The permitted range of values is 2 - 500 mA;
  74            0 mA would be legal, but can make some hosts misbehave.
  75
  76            This value will be used except for system-specific gadget
  77            drivers that have more specific information.
  78
  79 # Selected by UDC drivers that support high-speed operation.
  80 config USB_GADGET_DUALSPEED
  81         bool
  82
  83 config USB_GADGET_DOWNLOAD
  84         bool "Enable USB download gadget"
  85         help
  86           Composite USB download gadget support (g_dnl) for download functions.
  87           This code works on top of composite gadget.
  88
  89 if USB_GADGET_DOWNLOAD
  90
  91 config G_DNL_MANUFACTURER
  92         string "Vendor name of USB device"
  93
  94 config G_DNL_VENDOR_NUM
  95         hex "Vendor ID of USB device"
  96
  97 config G_DNL_PRODUCT_NUM
  98         hex "Product ID of USB device"
  99
 100 endif # USB_GADGET_DOWNLOAD
 101
 102 endif # USB_GADGET