address@hidden /]# ls -l /sys/devices/platform/usb-ohci/usb1/1-1

drwxr-xr-x    4 root     root            0 Jan 13 21:31 1-1:1.0
-rw-r--r--    1 root     root         4096 Jan 13 21:37 authorized
-rw-r--r--    1 root     root         4096 Jan 13 21:37 bConfigurationValue
-r--r--r--    1 root     root         4096 Jan 13 21:37 bDeviceClass
-r--r--r--    1 root     root         4096 Jan 13 21:37 bDeviceProtocol
-r--r--r--    1 root     root         4096 Jan 13 21:37 bDeviceSubClass
-r--r--r--    1 root     root         4096 Jan 13 21:37 bMaxPacketSize0
-r--r--r--    1 root     root         4096 Jan 13 21:37 bMaxPower
-r--r--r--    1 root     root         4096 Jan 13 21:37 bNumConfigurations
-r--r--r--    1 root     root         4096 Jan 13 21:37 bNumInterfaces
-r--r--r--    1 root     root         4096 Jan 13 21:37 bcdDevice
-r--r--r--    1 root     root         4096 Jan 13 21:37 bmAttributes
lrwxrwxrwx    1 root     root            0 Jan 13 21:37 bus -> ../../../../../bus/usb
-r--r--r--    1 root     root         4096 Jan 13 21:37 busnum
-r--r--r--    1 root     root         4096 Jan 13 21:37 configuration
-r--r--r--    1 root     root        65553 Jan 13 21:37 descriptors
-r--r--r--    1 root     root         4096 Jan 13 21:31 dev
-r--r--r--    1 root     root         4096 Jan 13 21:37 devnum
lrwxrwxrwx    1 root     root            0 Jan 13 21:37 driver -> ../../../../../bus/usb/drivers/usb
lrwxrwxrwx    1 root     root            0 Jan 13 21:37 ep_00 -> ../../../../../class/usb_endpoint/usbdev1.2_ep00
-r--r--r--    1 root     root         4096 Jan 13 21:37 idProduct
-r--r--r--    1 root     root         4096 Jan 13 21:37 idVendor
-r--r--r--    1 root     root         4096 Jan 13 21:37 manufacturer
-r--r--r--    1 root     root         4096 Jan 13 21:37 maxchild
drwxr-xr-x    2 root     root            0 Jan 13 21:37 power
-r--r--r--    1 root     root         4096 Jan 13 21:37 product
-r--r--r--    1 root     root         4096 Jan 13 21:37 quirks
-r--r--r--    1 root     root         4096 Jan 13 21:37 speed
lrwxrwxrwx    1 root     root            0 Jan 13 21:37 subsystem -> ../../../../../bus/usb
-rw-r--r--    1 root     root         4096 Jan 13 21:37 uevent
-r--r--r--    1 root     root         4096 Jan 13 21:37 urbnum
lrwxrwxrwx    1 root     root            0 Jan 13 21:37 usb_device:usbdev1.2 -> ../../../../../class/usb_device/usbdev1.2
lrwxrwxrwx    1 root     root            0 Jan 13 21:37 usb_endpoint:usbdev1.2_ep00 -> ../../../../../class/usb_endpoint/usbdev1.2_ep00
-r--r--r--    1 root     root         4096 Jan 13 21:37 version


address@hidden /]# cat /sys/devices/platform/usb-ohci/usb1/1-1/bNumInterfaces

 1
 
++++++++++++++++ 1st interface of new USB device 1-1 +++++++++++++++++++++++++++++++++++++++++++

address@hidden /]# ls -l /sys/devices/platform/usb-ohci/usb1/1-1/1-1:1.0
ls -l /sys/devices/platform/usb-ohci/usb1/1-1/1-1:1.0
-r--r--r--    1 root     root         4096 Jan 13 22:00 bAlternateSetting
-r--r--r--    1 root     root         4096 Jan 13 22:00 bInterfaceClass
-r--r--r--    1 root     root         4096 Jan 13 22:00 bInterfaceNumber
-r--r--r--    1 root     root         4096 Jan 13 22:00 bInterfaceProtocol
-r--r--r--    1 root     root         4096 Jan 13 22:00 bInterfaceSubClass
-r--r--r--    1 root     root         4096 Jan 13 22:00 bNumEndpoints
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 bus -> ../../../../../../bus/usb
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 driver -> ../../../../../../bus/usb/drivers/sierra
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 ep_01 -> ../../../../../../class/usb_endpoint/usbdev1.3_ep01
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 ep_81 -> ../../../../../../class/usb_endpoint/usbdev1.3_ep81
-r--r--r--    1 root     root         4096 Jan 13 22:00 modalias
drwxr-xr-x    2 root     root            0 Jan 13 22:00 power
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 subsystem -> ../../../../../../bus/usb
drwxr-xr-x    3 root     root            0 Jan 13 21:59 ttyUSB0
-rw-r--r--    1 root     root         4096 Jan 13 22:00 uevent
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 usb_endpoint:usbdev1.3_ep01 -> ../../../../../../class/usb_endpoint/usbdev1.3_ep01
lrwxrwxrwx    1 root     root            0 Jan 13 22:00 usb_endpoint:usbdev1.3_ep81 -> ../../../../../../class/usb_endpoint/usbdev1.3_ep81