[RFC V2] OPP: Redefine bindings to overcome shortcomings

Mark Brown broonie at kernel.org
Thu Jan 29 03:07:44 PST 2015


On Thu, Jan 29, 2015 at 07:09:23AM +0530, Viresh Kumar wrote:
> On 29 January 2015 at 01:36, Mark Brown <broonie at kernel.org> wrote:

> >> +  Required properties:
> >> +  - compatible: allow OPPs to express their compatibility.
> >> +  - opp-list: phandle to opp-list defined above.

> > I don't understand what that compatible property is intended to mean and
> > I expect other readers might be similarly confused - is it a standard
> > compatbile property meaning this noe corresponds to some sort of device?

> The goal is to choose the driver which we want to probe for a platform. There
> can be multiple DT enabled cpufreq drivers present in a build and the platform
> needs some way to choose one of them.

So you need to document this as a platform device then if that's what
you're doing here; there's more than just specifying a compatible string
involved.
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