On Wed, Nov 30, 2011 at 03:45, Tero Kristo <t-kristo@xxxxxx> wrote:
>
> On Tue, 2011-11-29 at 12:30 -0600, Menon, Nishanth wrote:
> > On Fri, Nov 25, 2011 at 09:49, Tero Kristo <t-kristo@xxxxxx> wrote:
> > > Both startup and shutdown take 500us at maximum, value taken from
> > > TWL6030 data manual.
Might be good to add reference version as well for traceability.
> > >
> > > Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> > > ---
> > > arch/arm/mach-omap2/omap_twl.c | 2 ++
> > > 1 files changed, 2 insertions(+), 0 deletions(-)
> > >
> > > diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c
> > > index 62ed050..bd99328 100644
> > > --- a/arch/arm/mach-omap2/omap_twl.c
> > > +++ b/arch/arm/mach-omap2/omap_twl.c
> > > @@ -207,6 +207,8 @@ static struct omap_voltdm_pmic omap4_iva_pmic = {
> > > static struct omap_voltdm_pmic omap4_core_pmic = {
> > > .slew_rate = 4000,
> > > .step_size = 12660,
> > > + .startup_time = 500,
> > 549?
>
> Where do you get 549? You looking at a different version of the DM? Or
> are you adding something to the value?
>
woohoo.. welcome to TWL6030 doc hell ;)
Data Sheet: 0.05: T on =500Usec
*but* TRM 0.1 says T on = 500uSec for SMPS not freq locked, and upto
3ms with SMPS frequency locked).
*then* Functional spec rev 0.12 says "Enable VCORE[1,2,3] = 549uSec.
Regards,
Nishanth Menon
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