From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ulf Hansson <ulf.hansson@linaro.org>
Subject: Re: [PATCH 2/9] dt-bindings: mmc: sprd: Add another optional clock documentation
Date: Mon, 3 Jun 2019 15:34:10 +0200
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References: <cover.1558346019.git.baolin.wang@linaro.org> <ee4ad0e7e131e4d639dbf6bd25ad93726648ce1c.1558346019.git.baolin.wang@linaro.org>
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To: Baolin Wang <baolin.wang@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>, Chunyan Zhang <zhang.lyra@gmail.com>, Orson Zhai <orsonzhai@gmail.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>, Vincent Guittot <vincent.guittot@linaro.org>, arm@kernel.org, Linux ARM <linux-arm-kernel@lists.infradead.org>, "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, DTML <devicetree@vger.kernel.org>
List-Id: devicetree@vger.kernel.org

On Mon, 20 May 2019 at 12:12, Baolin Wang <baolin.wang@linaro.org> wrote:
>
> For some Spreadtrum platforms like SC9860 platform, we should enable another
> gate clock '2x_enable' to make the SD host controller work well. Thus add
> documentation for this optional clock.
>
> Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
> ---
>  .../devicetree/bindings/mmc/sdhci-sprd.txt         |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
> index 45c9978..a285c77 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
> @@ -14,6 +14,7 @@ Required properties:
>  - clock-names: Should contain the following:
>         "sdio" - SDIO source clock (required)
>         "enable" - gate clock which used for enabling/disabling the device (required)
> +       "2x_enable" - gate clock controlling the device for some special platforms (optional)

This is a bit vague, could you please elaborate (and fold in that
information to the doc) on what kind of clock this is?

[...]

Kind regards
Uffe