[RFC][PATCH v3 1/3] runtime interpreted power sequences

Thierry Reding thierry.reding at avionic-design.de
Tue Jul 31 19:16:18 EST 2012


On Mon, Jul 30, 2012 at 04:47:06PM +0100, Mark Brown wrote:
> On Mon, Jul 30, 2012 at 10:44:29AM -0500, Rob Herring wrote:
> > On 07/27/2012 07:05 AM, Alexandre Courbot wrote:
> 
> > > +		power-on-sequence {
> > > +			regulator at 0 {
> > > +				id = "power";
> > > +				enable;
> 
> > What do this mean? Isn't this implied for a regulator?
> 
> I assume you might have some sequences which need some things to be
> turned off for some reason; it at least seems to be something you'd want
> to design for.

Furthermore there is the power-off-sequence equivalent, which you use
for instance when you turn off the panel. Typically they would do the
inverse of the power-on-sequence, so turning off a regulator is
definitiely required.

Thierry
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