Re: [PATCH V2 1/2] PM / Domains: Introduce domain-performance-states binding

From: Viresh Kumar
Date: Fri Jan 06 2017 - 04:28:19 EST


On 06-01-17, 14:16, Rajendra Nayak wrote:
>
> On 12/12/2016 04:26 PM, Viresh Kumar wrote:
> > Some platforms have the capability to configure the performance state of
> > their Power Domains. The performance levels are represented by positive
> > integer values, a lower value represents lower performance state.
> >
> > The power-domains until now were only concentrating on the idle state
> > management of the device and this needs to change in order to reuse the
> > infrastructure of power domains for active state management.
> >
> > This patch adds binding to describe the performance states of a power
> > domain.
>
> The bindings would also need to take into account the fact that a device
> could (and is quite often the case with qcom platforms) have 2 separate
> powerdomains, one for idle state management and another to manage active
> states. I guess the below bindings assume that there's just one.

I have answered a similar question here..

https://marc.info/?l=linux-kernel&m=148067565219477&w=2

--
viresh