X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2FKconfig;h=3fa5b2e37e81c86171e35a8167116c2a469a9e6e;hb=fbc4b8af469459425de72530dbded0ddbe157004;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=4b19b7448e63bab8af17abbb30acff00d8f0dc99;p=oweals%2Fu-boot.git diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index e69de29bb2..3fa5b2e37e 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -0,0 +1,62 @@ +config USB_ARCH_HAS_HCD + def_bool y + +config USB + bool "Support for Host-side USB" + depends on USB_ARCH_HAS_HCD + ---help--- + Universal Serial Bus (USB) is a specification for a serial bus + subsystem which offers higher speeds and more features than the + traditional PC serial port. The bus supplies power to peripherals + and allows for hot swapping. Up to 127 USB peripherals can be + connected to a single USB host in a tree structure. + + The USB host is the root of the tree, the peripherals are the + leaves and the inner nodes are special USB devices called hubs. + Most PCs now have USB host ports, used to connect peripherals + such as scanners, keyboards, mice, modems, cameras, disks, + flash memory, network links, and printers to the PC. + + Say Y here if your computer has a host-side USB port and you want + to use USB devices. You then need to say Y to at least one of the + Host Controller Driver (HCD) options below. Choose a USB 1.1 + controller, such as "UHCI HCD support" or "OHCI HCD support", + and "EHCI HCD (USB 2.0) support" except for older systems that + do not have USB 2.0 support. It doesn't normally hurt to select + them all if you are not certain. + + If your system has a device-side USB port, used in the peripheral + side of the USB protocol, see the "USB Gadget" framework instead. + + After choosing your HCD, then select drivers for the USB peripherals + you'll be using. You may want to check out the information provided + in and especially the links given in + . + +if USB + +config DM_USB + bool "Enable driver model for USB" + depends on USB && DM + help + Enable driver model for USB. The USB interface is then implemented + by the USB uclass. Multiple USB controllers of different types + (XHCI, EHCI) can be attached and used. The 'usb' command works as + normal. OCHI is not supported at present. + + Much of the code is shared but with this option enabled the USB + uclass takes care of device enumeration. USB devices can be + declared with the U_BOOT_USB_DEVICE() macro and will be + automatically probed when found on the bus. + +source "drivers/usb/host/Kconfig" + +source "drivers/usb/emul/Kconfig" + +config USB_STORAGE + bool "USB Mass Storage support" + ---help--- + Say Y here if you want to connect USB mass storage devices to your + board's USB port. + +endif