UM0851 datasheet(68/245 Pages) STMICROELECTRONICS

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Communication device drivers

UM0851

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Doc ID 16604 Rev 2

Note:

Examples in this document show configuration options for basic USB support as well as the

commonly needed options, for example a USB mass storage device (most cameras and

USB pen drives).

make menuconfig options

Device Drivers--->

SCSI device support--->

(Although SCSI will be enabled automatically when selecting USB Mass Storage,we need

to enable disk support.)

---

SCSI support type (disk, tape, CD-ROM)

<*>

SCSI disk support

(Then Move a Level Back and Go into USB Support)

USB support--->

(This is the root hub and is required for USB support. If you'd like to compile this

as a module, it will be called usbcore.)

<*> Support for Host-side USB

(Enable this option if your system has the host side bus and wants to use USB devices

and also

to see your USB devices in /proc/bus/usb. This is recommended.)

[*]

USB device filesystem

(Select at least one of the HCDs. If you are unsure, picking all is fine.)

--- USB Host Controller Drivers

<*> EHCI HCD (USB 2.0) support

<*> OHCI HCD support

(Moving a little further down, we come to CDC and mass storage.)

<*> USB Modem (CDC ACM) support

<> USB Printer support

<*> USB Mass Storage support

CONFIG_ USB_OHCI_HCD

The OHCI is the standard for accessing USB 1.1 Host

controller hardware. Since the USB Host controller hardware

for SPEAr follows the OHCI Specification, enable this option.

CONFIG_ USB_STORAGE

Enable this option to connect a USB mass storage device to

the host USB port. The option depends on SCSI support being

enabled.

CONFIG_SCSI

Enable this option to use a SCSI hard disk, a SCSI tape drive,

a SCSI CD-ROM or any other SCSI device under Linux. USB

mass storage devices follow SCSI protocol, and hence this

option should be enabled over USB mass storage devices.

CONFIG_USB_ACM

This driver supports USB modems and ISDN adapters which

support thecommunication device class abstract control model

interface.

CONFIG_NET

Required for enabling USB modem support

CONFIG_USB_USBNET

Multi-purpose USB networking framework

CONFIG_USB_NET_CDCETHER

This option supports devices conforming to the communication

device class (CDC) Ethernet control model

CONFIG_HID_SUPPORT

Options for various computer-human interface device drivers.

CONFIG_HID

This option compiles into kernel the generic HID layer code

(parser, usages, etc.), which can then be used by transport-

specific HID implementation (like USB or Bluetooth).

Table 21.

USB host configurations (continued)

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