[U-Boot] [PATCH V2 05/18] OMAP5: palmas: Configure nominal opp vdd values

Sricharan R r.sricharan at ti.com
Thu Mar 8 06:43:21 CET 2012


Hi,

> -----Original Message-----
> From: tom.rini at gmail.com [mailto:tom.rini at gmail.com] On Behalf Of Tom
> Rini
> Sent: Thursday, March 08, 2012 2:04 AM
> To: Menon, Nishanth; sricharan
> Cc: u-boot at lists.denx.de
> Subject: Re: [U-Boot] [PATCH V2 05/18] OMAP5: palmas: Configure nominal
> opp vdd values
>
> On Wed, Mar 7, 2012 at 11:19 AM, Menon, Nishanth <nm at ti.com> wrote:
> > On Wed, Mar 7, 2012 at 11:04, Tom Rini <trini at ti.com> wrote:
> >> On Thu, Mar 01, 2012 at 08:08:30PM +0530, R Sricharan wrote:
> >>
> >>> The nominal opp vdd values as recommended for
> >>> ES1.0 silicon is set for mpu, core, mm domains using palmas.
> >>
> >> OK, this creates some trivial conflicts with
> >> http://patchwork.ozlabs.org/patch/144137/ but also raises a
> functional
> >> problem / question.  Is this patch also changing the order to match
> what
> >> Nishanth did or does this patch also need that functional change
> done
> >> (and a v3) ?  Thanks!
> > Glancing at this patch, I see that scale sequence is still mpu, core,
> > MM - which is what my sequence fixes. will be nice to have the
> > sequence fixed followed by cleanup/update to retain the sequence
> > appropriately.
> >
> > +       /* Palmas settings */
> > +       volt = VDD_MPU;
> > +       do_scale_vcore(SMPS_REG_ADDR_12_MPU, volt);
> >
> > -       /* VCORE 1 - for vdd_core */
> > -       volt = 1000;
> > -       do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
> > +       volt = VDD_MM;
> > +       do_scale_vcore(SMPS_REG_ADDR_45_IVA, volt);
> >
> > -       /* VCORE 2 - for vdd_MM */
> > -       volt = 1125;
> > -       do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
> > +       volt = VDD_CORE;
> > +       do_scale_vcore(SMPS_REG_ADDR_8_CORE, volt);
>
> I think what might be easiest all around is to drop Nishanth's 4/4 and
> have patch 5 here correct the order as well, crediting Nishanth for
> the fix.  Alternatively, respin the series, depending on Nishanth's
> series being applied.  Thanks.
  I can quickly do your first suggestion.
  This can reduce the number of patches and make them ordered
  as well.

>
> --
> Tom


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