From: Gregory CLEMENT <gregory.clement@free-electrons.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
"linux-mmc\@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
"linux-arm-kernel\@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Mike Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
linux-clk <linux-clk@vger.kernel.org>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
"devicetree\@vger.kernel.org" <devicetree@vger.kernel.org>,
Ziji Hu <huziji@marvell.com>, Jimmy Xu <zmxu@marvell.com>,
Jisheng Zhang <jszhang@marvell.com>,
Nadav Haklai <nadavh@marvell.com>, Ryan Gao <ygao@marvell.com>,
Doug Jones <dougj@marvell.com>, Victor Gu <xigu@marvell.com>,
"Wei\(SOCP\) Liu" <liuw@marvell.com>,
Wilson Ding <dingwei@marvell.com>,
Yehuda Yitschak <yehuday@marvell.com>,
Ma rcin Wojtas <mw@semihalf.com>, Hanna Hawa <hannah@marvell.com>,
Kostya Porotchkin <kostap@marvell.com>
Subject: Re: [PATCH v5 05/12] dt: bindings: Add bindings for Marvell Xenon SD Host Controller
Date: Fri, 27 Jan 2017 18:25:56 +0100 [thread overview]
Message-ID: <87bmuswh23.fsf@free-electrons.com> (raw)
In-Reply-To: <CAPDyKFo-hpLd3W0zWykdg0swuciBeL=Cy9cur_0RoG8jApOh3w@mail.gmail.com> (Ulf Hansson's message of "Fri, 27 Jan 2017 16:36:36 +0100")
Hi Ulf,
On ven., janv. 27 2017, Ulf Hansson <ulf.hansson@linaro.org> 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
next prev parent reply other threads:[~2017-01-27 17:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 17:19 [PATCH v5 00/12] mmc: Add support to Marvell Xenon SD Host Controller Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 01/12] clk: apn806: Add eMMC clock to system controller driver Gregory CLEMENT
2017-01-21 0:16 ` Stephen Boyd
2017-01-11 17:19 ` [PATCH v5 02/12] mmc: sdhci: Export sdhci_set_ios() from sdhci.c Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 03/12] mmc: sdhci: Export sdhci_start_signal_voltage_switch() in sdhci.c Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 04/12] mmc: sdhci: Export sdhci_enable_sdio_irq() from sdhci.c Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 05/12] dt: bindings: Add bindings for Marvell Xenon SD Host Controller Gregory CLEMENT
2017-01-13 20:16 ` Rob Herring
2017-01-26 10:49 ` Ulf Hansson
2017-01-27 10:04 ` Gregory CLEMENT
2017-01-27 15:36 ` Ulf Hansson
2017-01-27 17:25 ` Gregory CLEMENT [this message]
2017-01-11 17:19 ` [PATCH v5 06/12] mmc: sdhci-xenon: Add Marvell Xenon SDHC core functionality Gregory CLEMENT
2017-01-26 10:50 ` Ulf Hansson
2017-01-26 12:39 ` Adrian Hunter
2017-01-27 15:12 ` Ulf Hansson
2017-01-28 8:16 ` Adrian Hunter
2017-01-30 9:10 ` Ulf Hansson
2017-01-30 9:40 ` Adrian Hunter
2017-01-30 10:15 ` Ulf Hansson
2017-01-27 16:39 ` Ziji Hu
2017-01-30 8:41 ` Ulf Hansson
2017-01-30 15:12 ` Ziji Hu
2017-01-11 17:19 ` [PATCH v5 07/12] mmc: sdhci-xenon: Add support to PHYs of Marvell Xenon SDHC Gregory CLEMENT
2017-01-26 11:29 ` Ulf Hansson
2017-01-27 17:10 ` Ziji Hu
2017-01-11 17:19 ` [PATCH v5 08/12] mmc: sdhci-xenon: Add SoC PHY PAD voltage control Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 09/12] MAINTAINERS: add entry for Marvell Xenon MMC Host Controller drivers Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 10/12] arm64: dts: marvell: add eMMC support for Armada 37xx Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 11/12] arm64: dts: marvell: add sdhci support for Armada 7K/8K Gregory CLEMENT
2017-01-11 17:19 ` [PATCH v5 12/12] arm64: configs: enable SDHCI driver for Xenon Gregory CLEMENT
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