From: Rob Herring <robh@kernel.org>
To: Lucas Stach <dev@lynxeye.de>
Cc: Fabio Estevam <festevam@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
linux-arm-kernel@lists.infradead.org,
Ulf Hansson <ulf.hansson@linaro.org>
Subject: Re: [PATCH 1/2] dt-bindings: mmc: add no-mmc-hs400 flag
Date: Mon, 10 May 2021 11:16:46 -0500 [thread overview]
Message-ID: <20210510161646.GA222624@robh.at.kernel.org> (raw)
In-Reply-To: <20210508205658.91105-1-dev@lynxeye.de>
On Sat, 08 May 2021 22:56:57 +0200, Lucas Stach wrote:
> HS400 requires a data strobe line in addition to the other MMC signal
> lines, so if a board design neglects to wire up this signal, HS400 mode
> is no available, even if both the controller and the eMMC are claiming
> to support this mode. Add a DT flag to allow boards to disable the
> HS400 support in this case.
>
> Signed-off-by: Lucas Stach <dev@lynxeye.de>
> ---
> Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
Acked-by: Rob Herring <robh@kernel.org>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2021-05-10 16:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-08 20:56 [PATCH 1/2] dt-bindings: mmc: add no-mmc-hs400 flag Lucas Stach
2021-05-08 20:56 ` [PATCH 2/2] mmc: sdhci-esdhc-imx: add support for disabling HS400 mode via DT Lucas Stach
2021-05-10 6:29 ` Bough Chen
2021-05-10 16:16 ` Rob Herring [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210510161646.GA222624@robh.at.kernel.org \
--to=robh@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=dev@lynxeye.de \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-mmc@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=ulf.hansson@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).