Because the universal overlay causes my one wire overlay to be rejected. 
 The error is File Exists and dmesg points to the conflict with the slots 
entry that has the conflict.  I am probably doing something wrons, even 
when I delete the P9_22 from the universal overlay and reapply it, it 
rejects my overlay.

I am working on this from two perspectives, i need to be able to get back 
to work :).  I am building a non universal overlay that will include my one 
wire pin, the pwm pins I need, and others as I work out my application.  I 
will use this until I figure out the universal overlay issue.

I have never written an overlay that uses two pins on the same device, I am 
working that out now.

On Thursday, May 12, 2016 at 8:41:41 AM UTC-7, TJF wrote:
>
> Why don't you adapt the 1-wire overlay? It should be easy to use a pin not 
> connected to any PWMSS. Ie. use P9_11 or P8_07.
>

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