[RFC V2] OPP: Redefine bindings to overcome shortcomings

Mark Brown broonie at kernel.org
Wed Jan 28 12:06:00 PST 2015


On Fri, Jan 23, 2015 at 04:14:50PM +0530, Viresh Kumar wrote:

> +- opp-listN:
> +  List of nodes defining performance points. Following belong to the nodes
> +  within the opp-lists.

Why is there the N here?  It doesn't correspond to the examples...

> +  Required properties:
> +  - opp-khz: Frequency in kHz
> +  - opp-microvolt: voltage in micro Volts

I thought the goal here was to specify ranges?

> +- oppN:
> +  Operating performance point node per device. Devices using it should have its
> +  phandle in their "operating-points-v2" property.
> +
> +  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?

There also appears to be no code matching these bindings...
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