1 menuconfig USB 2 bool "USB support" 3 ---help--- 4 Universal Serial Bus (USB) is a specification for a serial bus 5 subsystem which offers higher speeds and more features than the 6 traditional PC serial port. The bus supplies power to peripherals 7 and allows for hot swapping. Up to 127 USB peripherals can be 8 connected to a single USB host in a tree structure. 9 10 The USB host is the root of the tree, the peripherals are the 11 leaves and the inner nodes are special USB devices called hubs. 12 Most PCs now have USB host ports, used to connect peripherals 13 such as scanners, keyboards, mice, modems, cameras, disks, 14 flash memory, network links, and printers to the PC. 15 16 Say Y here if your device has an USB port, either host, peripheral or 17 dual-role. 18 19 For an USB host port, you then need to say Y to at least one of the 20 Host Controller Driver (HCD) options below. Choose a USB 1.1 21 controller, such as "UHCI HCD support" or "OHCI HCD support", 22 and "EHCI HCD (USB 2.0) support" except for older systems that 23 do not have USB 2.0 support. It doesn't normally hurt to select 24 them all if you are not certain. 25 26 If your system has a device-side USB port, used in the peripheral 27 side of the USB protocol, see the "USB Gadget" framework instead. 28 29 After choosing your HCD, then select drivers for the USB peripherals 30 you'll be using. You may want to check out the information provided 31 in <file:Documentation/usb/> and especially the links given in 32 <file:Documentation/usb/usb-help.txt>. 33 34 if USB 35 36 config DM_USB 37 bool "Enable driver model for USB" 38 depends on USB && DM 39 help 40 Enable driver model for USB. The USB interface is then implemented 41 by the USB uclass. Multiple USB controllers of different types 42 (XHCI, EHCI, OHCI) can be attached and used. The 'usb' command works 43 as normal. 44 45 Much of the code is shared but with this option enabled the USB 46 uclass takes care of device enumeration. USB devices can be 47 declared with the U_BOOT_USB_DEVICE() macro and will be 48 automatically probed when found on the bus. 49 50 config SPL_DM_USB 51 bool "Enable driver model for USB in SPL" 52 depends on SPL_DM && DM_USB 53 default y 54 55 config DM_USB_GADGET 56 bool "Enable driver model for USB Gadget" 57 depends on DM_USB 58 help 59 Enable driver model for USB Gadget (Peripheral 60 mode) 61 62 config SPL_DM_USB_GADGET 63 bool "Enable driver model for USB Gadget in SPL" 64 depends on SPL_DM_USB 65 help 66 Enable driver model for USB Gadget in SPL 67 (Peripheral mode) 68 69 source "drivers/usb/host/Kconfig" 70 71 source "drivers/usb/cdns3/Kconfig" 72 73 source "drivers/usb/dwc3/Kconfig" 74 75 source "drivers/usb/mtu3/Kconfig" 76 77 source "drivers/usb/musb/Kconfig" 78 79 source "drivers/usb/musb-new/Kconfig" 80 81 source "drivers/usb/emul/Kconfig" 82 83 source "drivers/usb/phy/Kconfig" 84 85 source "drivers/usb/ulpi/Kconfig" 86 87 comment "USB peripherals" 88 89 config USB_STORAGE 90 bool "USB Mass Storage support" 91 depends on !(BLK && !DM_USB) 92 ---help--- 93 Say Y here if you want to connect USB mass storage devices to your 94 board's USB port. 95 96 config USB_KEYBOARD 97 bool "USB Keyboard support" 98 select DM_KEYBOARD if DM_USB 99 select SYS_STDIO_DEREGISTER 100 ---help--- 101 Say Y here if you want to use a USB keyboard for U-Boot command line 102 input. 103 104 if USB_KEYBOARD 105 106 config USB_KEYBOARD_FN_KEYS 107 bool "USB keyboard function key support" 108 help 109 Say Y here if you want support for keys F1 - F12, INS, HOME, DELETE, 110 END, PAGE UP, and PAGE DOWN. 111 112 choice 113 prompt "USB keyboard polling" 114 default SYS_USB_EVENT_POLL_VIA_INT_QUEUE if ARCH_SUNXI 115 default SYS_USB_EVENT_POLL 116 ---help--- 117 Enable a polling mechanism for USB keyboard. 118 119 config SYS_USB_EVENT_POLL 120 bool "Interrupt polling" 121 122 config SYS_USB_EVENT_POLL_VIA_INT_QUEUE 123 bool "Poll via interrupt queue" 124 125 config SYS_USB_EVENT_POLL_VIA_CONTROL_EP 126 bool "Poll via control EP" 127 128 endchoice 129 130 endif 131 132 source "drivers/usb/gadget/Kconfig" 133 134 source "drivers/usb/eth/Kconfig" 135 136 endif 137