lkml.org 
[lkml]   [2012]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V1] TPS62360: Add tps62360 regulator driver
On Sun, Jan 08, 2012 at 01:12:47PM +0530, Laxman Dewangan wrote:

> > Taking multiple different regulator_init_data is definitely not what we
> > want, there's a whole bunch of information in there, not just the
> > voltages. You should just use platform data to specify the GPIOs (and
> > a set of voltages if you go with that approach).

> How do you pass the voltages along with gpios? If I understand correctly
> then it may be wither in range form or discrete form.
> Like in range form 500-700 for VSEL:00, 710-800 VSEL:01 etc.
> In discrete form VSEL00:500, 540, 550..
> For, VSEL01, VSEL00:510, 900,

Why would you have ranges? If you've set the VSEL pins to a particular
value I'd expect the chip to produce whatever voltage is programmed for
that VSEL.

> In range form, the disadvantages is that, most of time, the voltage
> requirement is surrounding operating voltage and so it will use only
> one combination of VSEL in most of time and will not get the benefit.
> The discrete form have long list of voltage and filling table is pain.
> Also need to maintain the big list of lookuptable to select voltage
> configuration register.

You only have four possible VSELs so I don't see a concern there.


\
 
 \ /
  Last update: 2012-01-08 18:01    [W:0.050 / U:0.444 seconds]
©2003-2014 Jasper Spaans. Advertise on this site