RE: [RFC 1/2] OMAP3+: voltage / oscillator parameter segregation

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> -----Original Message-----
> From: Kevin Hilman [mailto:khilman@xxxxxx]
> Sent: Saturday, August 27, 2011 4:55 AM
> To: Menon, Nishanth
> Cc: Tero Kristo; linux-omap@xxxxxxxxxxxxxxx; Vishwanath Sripathy
> Subject: Re: [RFC 1/2] OMAP3+: voltage / oscillator parameter
> segregation
>
> Hi Nishanth,
>
> "Menon, Nishanth" <nm@xxxxxx> writes:
>
> > here is my quick feedback:
> >
> >
> > On Wed, Aug 3, 2011 at 10:29, Tero Kristo <t-kristo@xxxxxx> wrote:
> >>
> >> This patch separates board specific voltage and oscillator ramp /
> setup
> >> times from the core code. Things changed:
> >>
> >> - on/sleep/ret/off voltage setup moved from common twl code to
> >>  VC / VP data (oppxxxx_data.c files)
> >> - added board support for vdd ramp up / down times
> >> - added board support for oscillator setup time declaration
> >>
> >> Todo: split patch into more easily manageable parts.
> >>
> >> Applies on top of pm/wip/voltdm branch, based on work done by
> Vishwanath
> >> Sripathy.
> >>
> >> Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> >> Cc: Vishwanath Sripathy <vishwanath.bs@xxxxxx>
>
> [...]
>
> >> diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-
> omap2/opp3xxx_data.c
> >> index d95f3f9..b5d8294 100644
> >> --- a/arch/arm/mach-omap2/opp3xxx_data.c
> >> +++ b/arch/arm/mach-omap2/opp3xxx_data.c
> >> @@ -26,6 +26,16 @@
> >>  #include "pm.h"
> >>
> >>  /* 34xx */
> >> +/* OMAP VP parameter values */
> >> +#define OMAP3430_VP1_VLIMITTO_VDDMIN   0x14
> >> +#define OMAP3430_VP1_VLIMITTO_VDDMAX   0x42
> >> +#define OMAP3430_VP2_VLIMITTO_VDDMIN   0x18
> >> +#define OMAP3430_VP2_VLIMITTO_VDDMAX   0x2c
> > NAK -> we should be using voltages here -> depending on the PMIC
> used,
> > the rounding factor may not map to TWL4030.
>
> Agreed.
>
> > I had posted patch for this earlier I believe in series
> > http://marc.info/?l=linux-omap&m=130741297821372&w=2
>
> I know you're a bit distracted currently ;) but is there any chance
> you
> can refresh at least this patch:
>
>     OMAP3+: PM: VP: use uV for max and min voltage limits
>
> from your series on top of my current pm-wip/voltdm branch?
>
> If not, maybe point us to an archived version and Tero can pick it
> up
> and add it to this series.  After a quick search, I couldn't find it
> in
> the marc.info archives.
Below link should help I suppose.
https://patchwork.kernel.org/patch/855172/

Vishwa

>
> Thanks,
>
> Kevin
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