mirror of
https://github.com/AsahiLinux/u-boot
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143 lines
3.9 KiB
Text
143 lines
3.9 KiB
Text
menuconfig USB
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bool "USB support"
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---help---
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Universal Serial Bus (USB) is a specification for a serial bus
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subsystem which offers higher speeds and more features than the
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traditional PC serial port. The bus supplies power to peripherals
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and allows for hot swapping. Up to 127 USB peripherals can be
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connected to a single USB host in a tree structure.
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The USB host is the root of the tree, the peripherals are the
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leaves and the inner nodes are special USB devices called hubs.
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Most PCs now have USB host ports, used to connect peripherals
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such as scanners, keyboards, mice, modems, cameras, disks,
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flash memory, network links, and printers to the PC.
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Say Y here if your device has an USB port, either host, peripheral or
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dual-role.
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For an USB host port, you then need to say Y to at least one of the
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Host Controller Driver (HCD) options below. Choose a USB 1.1
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controller, such as "UHCI HCD support" or "OHCI HCD support",
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and "EHCI HCD (USB 2.0) support" except for older systems that
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do not have USB 2.0 support. It doesn't normally hurt to select
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them all if you are not certain.
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If your system has a device-side USB port, used in the peripheral
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side of the USB protocol, see the "USB Gadget" framework instead.
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After choosing your HCD, then select drivers for the USB peripherals
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you'll be using. You may want to check out the information provided
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in <file:Documentation/usb/> and especially the links given in
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<file:Documentation/usb/usb-help.txt>.
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if USB
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config DM_USB
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bool
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depends on DM && OF_CONTROL
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help
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Enable driver model for USB. The USB interface is then implemented
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by the USB uclass. Multiple USB controllers of different types
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(XHCI, EHCI, OHCI) can be attached and used. The 'usb' command works
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as normal.
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Much of the code is shared but with this option enabled the USB
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uclass takes care of device enumeration. USB devices can be
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declared with the U_BOOT_USB_DEVICE() macro and will be
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automatically probed when found on the bus.
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config SPL_DM_USB
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bool "Enable driver model for USB host mode in SPL"
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depends on SPL_DM && DM_USB
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default n if ARCH_MVEBU
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default y
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config DM_USB_GADGET
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bool "Enable driver model for USB Gadget"
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depends on DM_USB
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help
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Enable driver model for USB Gadget (Peripheral
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mode)
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config SPL_DM_USB_GADGET
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bool "Enable driver model for USB Gadget in SPL"
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depends on SPL_DM_USB
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help
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Enable driver model for USB Gadget in SPL
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(Peripheral mode)
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source "drivers/usb/host/Kconfig"
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source "drivers/usb/isp1760/Kconfig"
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source "drivers/usb/cdns3/Kconfig"
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source "drivers/usb/dwc3/Kconfig"
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source "drivers/usb/mtu3/Kconfig"
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source "drivers/usb/musb/Kconfig"
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source "drivers/usb/musb-new/Kconfig"
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source "drivers/usb/emul/Kconfig"
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source "drivers/usb/phy/Kconfig"
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source "drivers/usb/ulpi/Kconfig"
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if USB_HOST
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comment "USB peripherals"
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config USB_STORAGE
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bool "USB Mass Storage support"
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depends on !(BLK && !DM_USB)
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---help---
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Say Y here if you want to connect USB mass storage devices to your
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board's USB port.
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config USB_KEYBOARD
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bool "USB Keyboard support"
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select DM_KEYBOARD if DM_USB
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select SYS_STDIO_DEREGISTER
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---help---
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Say Y here if you want to use a USB keyboard for U-Boot command line
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input.
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if USB_KEYBOARD
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config USB_KEYBOARD_FN_KEYS
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bool "USB keyboard function key support"
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help
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Say Y here if you want support for keys F1 - F12, INS, HOME, DELETE,
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END, PAGE UP, and PAGE DOWN.
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choice
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prompt "USB keyboard polling"
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default SYS_USB_EVENT_POLL_VIA_INT_QUEUE if ARCH_SUNXI
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default SYS_USB_EVENT_POLL
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---help---
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Enable a polling mechanism for USB keyboard.
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config SYS_USB_EVENT_POLL
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bool "Interrupt polling"
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config SYS_USB_EVENT_POLL_VIA_INT_QUEUE
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bool "Poll via interrupt queue"
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config SYS_USB_EVENT_POLL_VIA_CONTROL_EP
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bool "Poll via control EP"
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endchoice
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endif
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source "drivers/usb/eth/Kconfig"
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endif
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source "drivers/usb/gadget/Kconfig"
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endif
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