lkml.org 
[lkml]   [2020]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] PM / OPP: Add support for multiple regulators
On Wed, Feb 12, 2020 at 4:13 PM Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> On 12-02-20, 15:55, Nicolas Boichat wrote:
> > The OPP table can contain multiple voltages and regulators, and
> > implementing that logic does not add a lot of code or complexity,
> > so let's modify _generic_set_opp_regulator to support that use
> > case.
> >
> > Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
>
> This is already supported in a different way. See how following driver
> does this (hint dev_pm_opp_register_set_opp_helper()).
>
> drivers/opp/ti-opp-supply.c
>
> The problem with a generic solution is that we can't assume an order
> for programming of the regulators, as this can be complex on few
> platforms.

I see... And you're right that it's probably best to change the
voltages in a specific order (I just ignored that problem ,-P). I do
wonder if there's something we could do in the core/DT to specify that
order (if it's a simple order?), it's not really ideal to have to copy
paste code around...

> --
> viresh

\
 
 \ /
  Last update: 2020-02-12 09:58    [W:0.055 / U:0.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site