[U-Boot] [PATCH] mmc: uniphier-sd: Add vqmmc regulator support

Marek Vasut marek.vasut at gmail.com
Wed Sep 27 19:29:53 UTC 2017


On 09/27/2017 06:13 PM, Masahiro Yamada wrote:
> 2017-09-28 0:50 GMT+09:00 Marek Vasut <marek.vasut at gmail.com>:
>> On 09/27/2017 05:19 PM, Masahiro Yamada wrote:
>>> 2017-09-26 16:41 GMT+09:00 Jaehoon Chung <jh80.chung at samsung.com>:
>>>> Hi Marek,
>>>>
>>>> On 09/26/2017 01:47 AM, Marek Vasut wrote:
>>>>> On 09/15/2017 09:10 PM, Marek Vasut wrote:
>>>>>> Add initial support for setting the vqmmc regulator. Since we do not
>>>>>> support 1V8 modes, set the regulator to 3V3 and enable it.
>>>>>>
>>>>>> Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
>>>>>> Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
>>>>>> Cc: Jaehoon Chung <jh80.chung at samsung.com>
>>>>>
>>>>> Anything ?! I don't see this in the PR ...
>>>>
>>>> Sorry...I missed this patch..First, i have checked on patchwork.
>>>> Will pick this patch into u-boot-mmc.
>>>>
>>>> Best Regards,
>>>> Jaehoon Chung
>>>>
>>>
>>>
>>> UniPhier SoCs have different mechanism for 3.3/1.8 switching,
>>> but it is not a problem for me because I do not have a plan
>>> for enabling CONFIG_DM_REGULATOR.
>>>
>>> Acked-by: Masahiro Yamada <yamada.masahiro at socionext.com>
>>
>> Cool, thanks!
>>
>> Is there a documentation for the uniphier mechanism somewhere ?
>>
> 
> No document available.

I hope that new 96borad will have documentation available, *ahem* :-)

> Only crappy private documents.
> 
> They say SoC spec books are CONFIDENTIAL!!
> Sigh.

OK, I'll keep in mind there's a uniphier-specific way to toggle the 1V8
when adding HS200 support, so you can fill that in when you have time.

Thanks!

-- 
Best regards,
Marek Vasut


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