xref: /openbmc/u-boot/drivers/usb/gadget/Kconfig (revision ae4dc15d)
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
16menuconfig 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
37if USB_GADGET
38
39config 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
46config 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
55config 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
62config 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.
80config USB_GADGET_DUALSPEED
81	bool
82
83config 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
89if USB_GADGET_DOWNLOAD
90
91config G_DNL_MANUFACTURER
92	string "Vendor name of USB device"
93
94config G_DNL_VENDOR_NUM
95	hex "Vendor ID of USB device"
96
97config G_DNL_PRODUCT_NUM
98	hex "Product ID of USB device"
99
100endif # USB_GADGET_DOWNLOAD
101
102endif # USB_GADGET
103