Re: [PATCH v5 05/12] dt: bindings: Add bindings for Marvell Xenon SD Host Controller

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Hi Ulf,
 
 On ven., janv. 27 2017, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:

>>
>> But I am curious to know why do you think we could use it without any
>> need. Are you aware of some abuse of this property?
>
> Yes.
>

Actually I was hopping that you point some examples :)

But as you point mmc-ddr-3_3v I found my answers here:
http://www.spinics.net/lists/linux-mmc/msg38602.html

>>
>>>
>>> Perhaps you can elaborate exactly why it makes sense for your case. Or
>>> perhaps we already discussed this, in either case, please re-fresh my
>>> mind.
>>
>> For instance we need it now on the 7040DB board which does not have the
>> 1.8V signal voltage available.
>
> It it's better to describe what the controller/board support, instead
> of what it doesn't.
>
> I think you should be able to use other existing mmc DT bindings
> (perhaps also you need the brand new "mmc-ddr-3_3v"), instead of the
> "no-1-8-v".

OK I will try with this one. And if it works, I wonder if it worth
mentioning it as it is also part of the mmc binding.

Gregory

>
> Kind regards
> Uffe

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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