From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Pradeep P V K <ppvk@codeaurora.org>
Cc: adrian.hunter@intel.com, robh+dt@kernel.org,
ulf.hansson@linaro.org, asutoshd@codeaurora.org,
stummala@codeaurora.org, sayalil@codeaurora.org,
rampraka@codeaurora.org, vbadigan@codeaurora.org,
sboyd@kernel.org, georgi.djakov@linaro.org, mka@chromium.org,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
agross@kernel.org, linux-mmc-owner@vger.kernel.org
Subject: Re: [RFC v4 2/2] dt-bindings: mmc: sdhci-msm: Add interconnect BW scaling strings
Date: Sun, 8 Mar 2020 14:51:00 -0700 [thread overview]
Message-ID: <20200308215100.GM1094083@builder> (raw)
In-Reply-To: <1582030833-12964-3-git-send-email-ppvk@codeaurora.org>
On Tue 18 Feb 05:00 PST 2020, Pradeep P V K wrote:
> Add interconnect bandwidth scaling supported strings for qcom-sdhci
> controller.
>
> Signed-off-by: Pradeep P V K <ppvk@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>
> changes from RFC v3 -> v4:
> - No changes.
>
> Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> index 7ee639b..cbe97b8 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> @@ -40,6 +40,21 @@ Required properties:
> "cal" - reference clock for RCLK delay calibration (optional)
> "sleep" - sleep clock for RCLK delay calibration (optional)
>
> +Optional Properties:
> +* Following bus parameters are required for interconnect bandwidth scaling:
> +- interconnects: Pairs of phandles and interconnect provider specifier
> + to denote the edge source and destination ports of
> + the interconnect path.
> +
> +- interconnect-names: For sdhc, we have two main paths.
> + 1. Data path : sdhc to ddr
> + 2. Config path : cpu to sdhc
> + For Data interconnect path the name supposed to be
> + is "sdhc-ddr" and for config interconnect path it is
> + "cpu-sdhc".
> + Please refer to Documentation/devicetree/bindings/
> + interconnect/ for more details.
> +
> Example:
>
> sdhc_1: sdhci@f9824900 {
> @@ -57,6 +72,9 @@ Example:
>
> clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>;
> clock-names = "core", "iface";
> + interconnects = <&qnoc MASTER_SDCC_ID &qnoc SLAVE_DDR_ID>,
> + <&qnoc MASTER_CPU_ID &qnoc SLAVE_SDCC_ID>;
> + interconnect-names = "sdhc-ddr","cpu-sdhc";
> };
>
> sdhc_2: sdhci@f98a4900 {
> --
> 1.9.1
>
prev parent reply other threads:[~2020-03-08 21:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 13:00 [RFC v4 0/2] Add SDHC interconnect bandwidth scaling Pradeep P V K
2020-02-18 13:00 ` [RFC v4 1/2] mmc: sdhci-msm: Add interconnect bus bandwidth scaling support Pradeep P V K
2020-02-18 22:21 ` Matthias Kaehlcke
2020-03-03 6:01 ` ppvk
2020-02-18 13:00 ` [RFC v4 2/2] dt-bindings: mmc: sdhci-msm: Add interconnect BW scaling strings Pradeep P V K
2020-02-18 21:29 ` Rob Herring
2020-03-08 21:51 ` Bjorn Andersson [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=20200308215100.GM1094083@builder \
--to=bjorn.andersson@linaro.org \
--cc=adrian.hunter@intel.com \
--cc=agross@kernel.org \
--cc=asutoshd@codeaurora.org \
--cc=devicetree@vger.kernel.org \
--cc=georgi.djakov@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc-owner@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=mka@chromium.org \
--cc=ppvk@codeaurora.org \
--cc=rampraka@codeaurora.org \
--cc=robh+dt@kernel.org \
--cc=sayalil@codeaurora.org \
--cc=sboyd@kernel.org \
--cc=stummala@codeaurora.org \
--cc=ulf.hansson@linaro.org \
--cc=vbadigan@codeaurora.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).