From: Rob Herring <robh@kernel.org>
To: Manish Narani <manish.narani@xilinx.com>
Cc: michal.simek@xilinx.com, adrian.hunter@intel.com,
ulf.hansson@linaro.org, linux-arm-kernel@lists.infradead.org,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, mark.rutland@arm.com,
anirudh@xilinx.com, sgoud@xilinx.com,
Manish Narani <mnarani@xilinx.com>
Subject: Re: [RFC PATCH] mmc: sdhci-of-arasan: Add auto tuning support for ZynqMP Platform
Date: Mon, 5 Feb 2018 00:07:40 -0600 [thread overview]
Message-ID: <20180205024420.iagez2mue2skrngq@rob-hp-laptop> (raw)
In-Reply-To: <1517336073-18142-1-git-send-email-mnarani@xilinx.com>
On Tue, Jan 30, 2018 at 11:44:33PM +0530, Manish Narani wrote:
> This patch adds support of SD auto tuning for ZynqMP platform. Auto
> tuning sequence sends tuning block to card when operating in UHS-1
> modes. This resets the DLL and sends CMD19/CMD21 as a part of the auto
> tuning process. Once the auto tuning process gets completed, reset the
> DLL to load the newly obtained SDHC tuned tap value.
>
> Signed-off-by: Manish Narani <mnarani@xilinx.com>
> ---
> .../devicetree/bindings/mmc/arasan,sdhci.txt | 1 +
> drivers/mmc/host/sdhci-of-arasan.c | 219 ++++++++++++++++++++-
> 2 files changed, 219 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> index 60481bf..7d29751 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> @@ -14,6 +14,7 @@ Required Properties:
> - "arasan,sdhci-4.9a": generic Arasan SDHCI 4.9a PHY
> - "arasan,sdhci-5.1": generic Arasan SDHCI 5.1 PHY
> - "rockchip,rk3399-sdhci-5.1", "arasan,sdhci-5.1": rk3399 eMMC PHY
> + - "xlnx,zynqmp-8.9a": Xilinx ZynqMP 8.9a PHY
This should be a separate patch.
> For this device it is strongly suggested to include arasan,soc-ctl-syscon.
> - reg: From mmc bindings: Register location and length.
> - clocks: From clock bindings: Handles to clock inputs.
WARNING: multiple messages have this Message-ID (diff)
From: robh@kernel.org (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH] mmc: sdhci-of-arasan: Add auto tuning support for ZynqMP Platform
Date: Mon, 5 Feb 2018 00:07:40 -0600 [thread overview]
Message-ID: <20180205024420.iagez2mue2skrngq@rob-hp-laptop> (raw)
In-Reply-To: <1517336073-18142-1-git-send-email-mnarani@xilinx.com>
On Tue, Jan 30, 2018 at 11:44:33PM +0530, Manish Narani wrote:
> This patch adds support of SD auto tuning for ZynqMP platform. Auto
> tuning sequence sends tuning block to card when operating in UHS-1
> modes. This resets the DLL and sends CMD19/CMD21 as a part of the auto
> tuning process. Once the auto tuning process gets completed, reset the
> DLL to load the newly obtained SDHC tuned tap value.
>
> Signed-off-by: Manish Narani <mnarani@xilinx.com>
> ---
> .../devicetree/bindings/mmc/arasan,sdhci.txt | 1 +
> drivers/mmc/host/sdhci-of-arasan.c | 219 ++++++++++++++++++++-
> 2 files changed, 219 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> index 60481bf..7d29751 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> @@ -14,6 +14,7 @@ Required Properties:
> - "arasan,sdhci-4.9a": generic Arasan SDHCI 4.9a PHY
> - "arasan,sdhci-5.1": generic Arasan SDHCI 5.1 PHY
> - "rockchip,rk3399-sdhci-5.1", "arasan,sdhci-5.1": rk3399 eMMC PHY
> + - "xlnx,zynqmp-8.9a": Xilinx ZynqMP 8.9a PHY
This should be a separate patch.
> For this device it is strongly suggested to include arasan,soc-ctl-syscon.
> - reg: From mmc bindings: Register location and length.
> - clocks: From clock bindings: Handles to clock inputs.
next prev parent reply other threads:[~2018-02-05 6:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-30 18:14 [RFC PATCH] mmc: sdhci-of-arasan: Add auto tuning support for ZynqMP Platform Manish Narani
2018-01-30 18:14 ` Manish Narani
2018-01-30 18:14 ` Manish Narani
2018-02-05 6:07 ` Rob Herring [this message]
2018-02-05 6:07 ` Rob Herring
2018-02-16 14:06 ` Adrian Hunter
2018-02-16 14:06 ` Adrian Hunter
2018-02-16 14:06 ` Adrian Hunter
2018-02-21 6:08 ` Manish Narani
2018-02-21 6:08 ` Manish Narani
2018-02-21 6:08 ` Manish Narani
2018-02-21 15:00 ` Manish Narani
2018-02-21 15:00 ` Manish Narani
2018-02-21 15:00 ` Manish Narani
2018-02-22 8:20 ` Adrian Hunter
2018-02-22 8:20 ` Adrian Hunter
2018-02-22 8:20 ` Adrian Hunter
2018-02-23 7:27 ` Manish Narani
2018-02-23 7:27 ` Manish Narani
2018-02-23 7:27 ` Manish Narani
2018-02-23 7:29 ` Manish Narani
2018-02-23 7:29 ` Manish Narani
2018-02-23 7:29 ` Manish Narani
2018-02-23 7:34 ` Adrian Hunter
2018-02-23 7:34 ` Adrian Hunter
2018-02-23 7:34 ` Adrian Hunter
2018-02-23 9:24 ` Manish Narani
2018-02-23 9:24 ` Manish Narani
2018-02-23 9:24 ` Manish Narani
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=20180205024420.iagez2mue2skrngq@rob-hp-laptop \
--to=robh@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=anirudh@xilinx.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=manish.narani@xilinx.com \
--cc=mark.rutland@arm.com \
--cc=michal.simek@xilinx.com \
--cc=mnarani@xilinx.com \
--cc=sgoud@xilinx.com \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.