diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/Kconfig | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index ed1899d307db..be3fd9bce573 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig | |||
@@ -11,14 +11,14 @@ config USB_EHCI_HCD | |||
11 | The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0 | 11 | The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0 |
12 | "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware. | 12 | "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware. |
13 | If your USB host controller supports USB 2.0, you will likely want to | 13 | If your USB host controller supports USB 2.0, you will likely want to |
14 | configure this Host Controller Driver. At this writing, the primary | 14 | configure this Host Controller Driver. At the time of this writing, |
15 | implementation of EHCI is a chip from NEC, widely available in add-on | 15 | the primary implementation of EHCI is a chip from NEC, widely available |
16 | PCI cards, but implementations are in the works from other vendors | 16 | in add-on PCI cards, but implementations are in the works from other |
17 | including Intel and Philips. Motherboard support is appearing. | 17 | vendors including Intel and Philips. Motherboard support is appearing. |
18 | 18 | ||
19 | EHCI controllers are packaged with "companion" host controllers (OHCI | 19 | EHCI controllers are packaged with "companion" host controllers (OHCI |
20 | or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports | 20 | or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports |
21 | will connect to EHCI if it the device is high speed, otherwise they | 21 | will connect to EHCI if the device is high speed, otherwise they |
22 | connect to a companion controller. If you configure EHCI, you should | 22 | connect to a companion controller. If you configure EHCI, you should |
23 | probably configure the OHCI (for NEC and some other vendors) USB Host | 23 | probably configure the OHCI (for NEC and some other vendors) USB Host |
24 | Controller Driver or UHCI (for Via motherboards) Host Controller | 24 | Controller Driver or UHCI (for Via motherboards) Host Controller |