What:  /config/iio
Date:  October 2015
KernelVersion: 4.4
Contact: linux-iio@vger.kernel.org
Description:
  This represents Industrial IO configuration entry point
  directory. It contains sub-groups corresponding to IIO
  objects.

What:  /config/iio/triggers
Date:  October 2015
KernelVersion: 4.4
Description:
  Industrial IO software triggers directory.

What:  /config/iio/triggers/hrtimers
Date:  October 2015
KernelVersion: 4.4
Description:
  High resolution timers directory. Creating a directory here
  will result in creating a hrtimer trigger in the IIO subsystem.

What:  /config/iio/devices
Date:  April 2016
KernelVersion: 4.7
Description:
  Industrial IO software devices directory.

What:  /config/iio/devices/dummy
Date:  April 2016
KernelVersion: 4.7
Description:
  Dummy IIO devices directory. Creating a directory here will result
  in creating a dummy IIO device in the IIO subsystem.