Documentation for device tree API

Documentation for device tree API

[John Linn]

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Hi Grant and David,
 
We have a number of customers trying to use device tree to write their
own device drivers and they are asking a lot of API type questions.
 
We haven't found any API type explanation/examples for using device tree
other than to look at existing drivers which can be challenging.
 
Is there some documentation that we're just missing that does exist?
 
We realize there is the Documentation/powerpc/booting-without-of.txt
file that describes the device tree, but it doesn't explain the API.
 
Thanks,
John
 


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Re: Documentation for device tree API

[Grant Likely]

Hey John.

On Mon, Mar 9, 2009 at 9:10 AM, John Linn <John.Linn-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org> wrote:
> We have a number of customers trying to use device tree to write their own
> device drivers and they are asking a lot of API type questions.
>
> We haven't found any API type explanation/examples for using device tree
> other than to look at existing drivers which can be challenging.
>
> Is there some documentation that we're just missing that does exist?
>
> We realize there is the Documentation/powerpc/booting-without-of.txt file
> that describes the device tree, but it doesn't explain the API.

No, I don't think there is any documentation other than the kerneldoc
on the API functions themselves, but that doesn't give much of a
higher level view.

If I get some time, I'll try to jot down some notes.  I need to write
a presentation on the topic anyway, so maybe I can kill 2 birds with
that stone.

g.


>
> Thanks,
> John
>
> This email and any attachments are intended for the sole use of the named
> recipient(s) and contain(s) confidential information that may be
> proprietary, privileged or copyrighted under applicable law. If you are not
> the intended recipient, do not read, copy, or forward this email message or
> any attachments. Delete this email message and any attachments immediately.



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.