[U-Boot] [PATCH] mx6: Revert "mx6: soc: Disable VDDPU regulator"

[Otavio Salvador]

On Thu, Jan 16, 2014 at 2:01 PM, Fabio Estevam <festevam at gmail.com> wrote:

> On Thu, Jan 16, 2014 at 1:50 PM, Otavio Salvador
> <otavio at ossystems.com.br> wrote:
>
> >> It worked for you probably because you used the ldo bypass mode.
> >
> >
> > Yes; I did the bypass mode.
>
> We currently don't do LDO bypass mode in mainline U-boot. We do it in
> FSL U-boot.
>
> With LDO bypass, lower VDDARM and VDDSOC voltages can be supplied as
> per the mx6 datasheet.
>
> I just measured with the scope and the VDDARM/SOC voltages supplied by
> the 3.10 FSL kernel are below the minimum for the LDO enabled case. So
> setting LDO bypass in U-boot 'fixes' the issue.
>
> We can implement LDO bypass after 2014.01 is out, but for this release
> let's just revert the VDDPU disable patch.
>
> Do you agree?
>

Yes I do.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
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