On Wed, Oct 14, 2015 at 6:45 AM, Krzysztof Kozlowski
<k.kozlow...@samsung.com> wrote:
> On 14.10.2015 10:06, Alim Akhtar wrote:
>> +Doug
>> Hello,
>> AFAIR, dw_mmc host controller does support UHS-I [1], specially SDR50
>> and SDR104 modes.
>>
>> [1]: http://www.spinics.net/lists/linux-mmc/msg28186.html
>>
>> What I remember is, one need to set "broken-cd" property also in order
>> to make it work because of the vqmmc and vmmc connection on board. I
>> didn't find the link right now, but you can search on the web, there
>> was a long discussion about handling this.
>> Have not checked it recently, so not sure if this got broken somehow.
>>
>
> Please, don't top post.
>
I am sorry, but I didn't get this, what is the guide line here???

> I am not a SD/MMC specialist (I do not feel enough confident in its
> internals) but the datasheet for 5422 does not mention UHS. However it
> mentions "High Speed DDR Mode with 200 MHz clock rate (HS400)". This
> does not look like UHS...
> https://www.sdcard.org/developers/overview/bus_speed/
> This of course is not a definite proof that 5422 does not support UHS. I
> am just saying that I couldn't find any information that *it does*.
>
> Best regards,
> Krzysztof
>



-- 
Regards,
Alim
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