linux-kernel - Re: [PATCH 08/13] dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR

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Date:   Wed, 24 Jul 2019 10:03:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Niklas Cassel <niklas.cassel@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Viresh Kumar <vireshk@...nel.org>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        linux-arm-msm@...r.kernel.org, jorge.ramirez-ortiz@...aro.org,
        bjorn.andersson@...aro.org, ulf.hansson@...aro.org,
        Mark Rutland <mark.rutland@....com>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/13] dt-bindings: opp: Add qcom-opp bindings with
 properties needed for CPR

On Fri, Jul 05, 2019 at 11:57:19AM +0200, Niklas Cassel wrote:
> Add qcom-opp bindings with properties needed for Core Power Reduction
> (CPR).
> 
> CPR is included in a great variety of Qualcomm SoCs, e.g. msm8916 and
> msm8996. CPR was first introduced in msm8974.
> 
> Changes since RFC:
> -Removed opp-hz. It is already an optional property in opp.txt
> so no need to specify it with the same definition here.
> 
> Co-developed-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
> Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
> ---
>  .../devicetree/bindings/opp/qcom-opp.txt      | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/opp/qcom-opp.txt
> 
> diff --git a/Documentation/devicetree/bindings/opp/qcom-opp.txt b/Documentation/devicetree/bindings/opp/qcom-opp.txt
> new file mode 100644
> index 000000000000..f204685d029c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/opp/qcom-opp.txt
> @@ -0,0 +1,19 @@
> +Qualcomm OPP bindings to describe OPP nodes
> +
> +The bindings are based on top of the operating-points-v2 bindings
> +described in Documentation/devicetree/bindings/opp/opp.txt
> +Additional properties are described below.
> +
> +* OPP Table Node
> +
> +Required properties:
> +- compatible: Allow OPPs to express their compatibility. It should be:
> +  "operating-points-v2-qcom-level"
> +
> +* OPP Node
> +
> +Optional properties:
> +- qcom,opp-fuse-level: A positive value representing the fuse corner/level
> +  associated with this OPP node. Sometimes several corners/levels shares
> +  a certain fuse corner/level. A fuse corner/level contains e.g. ref uV,
> +  min uV, and max uV.

Doesn't match the example in patch 5.

> -- 
> 2.21.0
>