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

[Stefano Babic <sbabic@denx.de>]

Hi Fabio,

On 16/01/2014 17:01, Fabio Estevam wrote:
> On Thu, Jan 16, 2014 at 1:50 PM, Otavio Salvador
> <otavio@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?
> 

+1

Best regards,
Stefano Babic


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