The documentation for the latest stable release is always available at the Cherokee Project site.
If you cannot find what you are looking for in there, you can allways go to the official mailing lists. Post your questions there. Usually the people hanging around will be happy to help. Keep in mind that, as a sign of politeness towards the rest of the readers, you should first check if the solution to your problem is present in the archives. This will prevent duplicated entries and will probably give you an answer a lot faster.
These are the lists currently in existence:
How to cross-compile Cherokee for Elphel cameras: http://wiki.elphel.com/index.php?title=Cherokee