Talk:USB Gadget

Installation

• configure your Linux kernel:

[armadeus]$ make linux26-menuconfig

in Device Drivers->USB support->USB Gadget Support, choose Support for USB Gadgets and activate all USB Gadget Drivers:

• save your configuration and then rebuild your kernel image:

[armadeus]$ make

now you should have following drivers in your kernel source tree:

drivers/usb/gadget/gadgetfs.ko        For test
drivers/usb/gadget/g_ether.ko         Ethernet emulation on USB
drivers/usb/gadget/g_file_storage.ko  Mass storage
drivers/usb/gadget/g_serial.ko        Serial emulation on USB
drivers/usb/gadget/g_zero.ko          For test
drivers/usb/gadget/imx_udc.ko         i.MXL USB device Core Controller 

• reflash your RootFS or manually copy imx_udc.ko, g_file_storage.ko & g_serial.ko to your target in /lib/modules/...

Usage

First, load the core controller driver on your board:

# modprobe imx_udc
 usb: imx_udc version: 0.5