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From: Marek Vasut <marex@denx.de>
To: Stefan Wahren <stefan.wahren@i2se.com>,
	Rob Herring <robh+dt@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Fabio Estevam <fabio.estevam@nxp.com>
Cc: Dong Aisheng <aisheng.dong@nxp.com>,
	devicetree@vger.kernel.org,
	Otavio Salvador <otavio@ossystems.com.br>,
	Holger Schurig <holgerschurig@gmail.com>,
	linux-mmc@vger.kernel.org, Sascha Hauer <kernel@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC 2/3] mmc: core: add new cap for 3.3V only DDR MMCs
Date: Sat, 6 Aug 2016 16:42:33 +0200	[thread overview]
Message-ID: <9356c009-4b34-9d3c-c4b9-c89ced2f8412@denx.de> (raw)
In-Reply-To: <16443443.114784.752d0f22-93a7-46e8-bb14-c884787aaea3.open-xchange@email.1und1.de>

On 08/06/2016 04:18 PM, Stefan Wahren wrote:
> Hi Marek,
> 
>> Marek Vasut <marex@denx.de> hat am 6. August 2016 um 15:14 geschrieben:
>>
>>
>> On 08/06/2016 02:55 PM, Stefan Wahren wrote:
>>> This patch based on the work of Fabio Estevam:
>>> "[PATCH v2] mmc: core: Do not set mmc voltage to 1.8V when
>>> 'no-1-8-v' is present"
>>>
>>> It adds the support for 3.3V only DDR MMC hosts.
>>
>> Do such cards even exist ? Do you have a link where I can find some ?
> 
> i never said anything about SD cards. I mean eMMC modules which usually have 8
> data pins like this one [1].
> 
> Please don't blame me if it's not compatible to i.MX28. It's only an example.
> 
> [1] -
> http://datasheet.octopart.com/THGBM3G4D1FBAIGH2H-Toshiba-datasheet-20748880.pdf

Interesting, thanks!

-- 
Best regards,
Marek Vasut

WARNING: multiple messages have this Message-ID (diff)
From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 2/3] mmc: core: add new cap for 3.3V only DDR MMCs
Date: Sat, 6 Aug 2016 16:42:33 +0200	[thread overview]
Message-ID: <9356c009-4b34-9d3c-c4b9-c89ced2f8412@denx.de> (raw)
In-Reply-To: <16443443.114784.752d0f22-93a7-46e8-bb14-c884787aaea3.open-xchange@email.1und1.de>

On 08/06/2016 04:18 PM, Stefan Wahren wrote:
> Hi Marek,
> 
>> Marek Vasut <marex@denx.de> hat am 6. August 2016 um 15:14 geschrieben:
>>
>>
>> On 08/06/2016 02:55 PM, Stefan Wahren wrote:
>>> This patch based on the work of Fabio Estevam:
>>> "[PATCH v2] mmc: core: Do not set mmc voltage to 1.8V when
>>> 'no-1-8-v' is present"
>>>
>>> It adds the support for 3.3V only DDR MMC hosts.
>>
>> Do such cards even exist ? Do you have a link where I can find some ?
> 
> i never said anything about SD cards. I mean eMMC modules which usually have 8
> data pins like this one [1].
> 
> Please don't blame me if it's not compatible to i.MX28. It's only an example.
> 
> [1] -
> http://datasheet.octopart.com/THGBM3G4D1FBAIGH2H-Toshiba-datasheet-20748880.pdf

Interesting, thanks!

-- 
Best regards,
Marek Vasut

  reply	other threads:[~2016-08-06 14:42 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-06 12:55 [PATCH RFC 0/3] mmc: mxs-mmc: Implement DDR support Stefan Wahren
2016-08-06 12:55 ` Stefan Wahren
2016-08-06 12:55 ` [PATCH RFC 1/3] DT: bindings: mmc: Add property for 3.3V only support Stefan Wahren
2016-08-06 12:55   ` Stefan Wahren
2016-08-10 18:44   ` Rob Herring
2016-08-10 18:44     ` Rob Herring
2016-08-10 20:27     ` Stefan Wahren
2016-08-10 20:27       ` Stefan Wahren
     [not found]       ` <853617027.179290.63a6f478-ad48-40c8-82ca-760dd1afc040.open-xchange-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
2016-08-10 21:39         ` Rob Herring
2016-08-10 21:39           ` Rob Herring
     [not found]           ` <CAL_JsqJ09hXYrp_pgAw9FXrBv+=grkm_zip6qB9XefujPECTxQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-08-11  0:48             ` Shawn Lin
2016-08-11  0:48               ` Shawn Lin
2016-08-18 12:25               ` Adrian Hunter
2016-08-18 12:25                 ` Adrian Hunter
2016-08-30  9:26                 ` Ulf Hansson
2016-08-30  9:26                   ` Ulf Hansson
2016-09-02 18:50                   ` Stefan Wahren
2016-09-02 18:50                     ` Stefan Wahren
     [not found]                     ` <1736517218.106027.c3e46c0d-6759-48dd-92a9-ce98ef74d48a.open-xchange-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
2016-09-08 16:44                       ` Rob Herring
2016-09-08 16:44                         ` Rob Herring
2016-08-06 12:55 ` [PATCH RFC 2/3] mmc: core: add new cap for 3.3V only DDR MMCs Stefan Wahren
2016-08-06 12:55   ` Stefan Wahren
2016-08-06 13:14   ` Marek Vasut
2016-08-06 13:14     ` Marek Vasut
2016-08-06 14:18     ` Stefan Wahren
2016-08-06 14:18       ` Stefan Wahren
2016-08-06 14:42       ` Marek Vasut [this message]
2016-08-06 14:42         ` Marek Vasut
     [not found]       ` <16443443.114784.752d0f22-93a7-46e8-bb14-c884787aaea3.open-xchange-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
2016-08-07  2:07         ` Shawn Lin
2016-08-07  2:07           ` Shawn Lin
     [not found]           ` <7284d9a4-164d-dd2d-b9a0-dd1de6c76274-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2016-08-07  8:09             ` Stefan Wahren
2016-08-07  8:09               ` Stefan Wahren
2016-08-11 11:12           ` Jaehoon Chung
2016-08-11 11:12             ` Jaehoon Chung
2016-08-11 11:57             ` Stefan Wahren
2016-08-11 11:57               ` Stefan Wahren
2016-08-06 12:55 ` [PATCH RFC 3/3] mmc: mxs-mmc: Implement DDR support Stefan Wahren
2016-08-06 12:55   ` Stefan Wahren
2016-08-06 13:13   ` Marek Vasut
2016-08-06 13:13     ` Marek Vasut
2016-08-06 14:08     ` Stefan Wahren
2016-08-06 14:08       ` Stefan Wahren
2016-08-06 13:10 ` [PATCH RFC 0/3] " Marek Vasut
2016-08-06 13:10   ` Marek Vasut
2016-08-06 13:48   ` Stefan Wahren
2016-08-06 13:48     ` Stefan Wahren
2016-08-07 11:37     ` Stefan Wahren
2016-08-07 11:37       ` Stefan Wahren
     [not found] ` <1470488140-10104-1-git-send-email-stefan.wahren-eS4NqCHxEME@public.gmane.org>
2016-08-27 19:15   ` Stefan Wahren
2016-08-27 19:15     ` Stefan Wahren

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