[U-Boot] [PATCH 2/4] mmc: fsl_esdhc: Add support to force VSELECT set

[Otavio Salvador]

On Tue, Feb 17, 2015 at 5:43 PM, Marek Vasut <marex at denx.de> wrote:
> On Tuesday, February 17, 2015 at 06:18:31 PM, Troy Kisky wrote:
>> On 2/17/2015 5:36 AM, Otavio Salvador wrote:
>> > On Mon, Feb 16, 2015 at 11:38 PM, Troy Kisky
>> >
>> > <troy.kisky at boundarydevices.com> wrote:
>> >> On 2/16/2015 2:38 PM, Otavio Salvador wrote:
>> >>> Some boards cannot do voltage negotiation but need to set the VSELECT
>> >>> bit forcely to ensure it to work at 1.8V.
>> >>>
>> >>> This commit adds CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT flag for this use.
>> >>>
>> >>> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>> >
>> > ...
>> >
>> >> What if 1 controller needs it set and another needs it clear?
>> >
>> > I am not sure it makes much sense to have one in 3V3 and another 1V8.
>> > Does it?
>>
>> I guess if the need ever arises it can be changed then. It just seems
>> better to pass this as a flag for the controller now.
>
> Or even make it configurable via DT .

Could this be changed later?

-- 
Otavio Salvador                             O.S. Systems
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