Re: Regulator supplies when using Device Tree

[Michael Bohan]

On 3/26/2012 6:00 AM, Mark Brown wrote:
> On Thu, Mar 22, 2012 at 06:17:59PM -0700, Michael Bohan wrote:
>
> > I'm curious if there was a reason we didn't standardize on a binding
> > name for regulator supplies when using Device Tree. This appears to
> > cause duplicated code for regulator drivers that support devices
> > that may or may not have supplies specified.
>
> Supplies are *always* specified using the name from the part data sheet,
> anything to do with regulator-regulator supplies is a Linux
> implementation detail.

So before filling out the supply_name when calling regulator_register(), 
does that mean we should expect regulator drivers that optionally 
support supplies to always check with of_get_property()? And which name 
should we check? It sounds like the answer is that we should invent 
another binding to portray the name of the supply the driver should be 
checking against. But then it would seem silly to have two bindings that 
pertain to supply names.

Thanks,
Mike

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