linux-kernel - Re: [PATCH v8 01/10] dt-bindings: opp: Introduce qcom-opp bindings

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Message-ID: <CAL_Jsq+d=38WZ90i=HbUAQvNFvH-qLJEvw_H-g8kQegdw75FZA@mail.gmail.com>
Date:   Thu, 3 Jan 2019 12:43:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        David Collins <collinsd@...eaurora.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        devicetree@...r.kernel.org,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 01/10] dt-bindings: opp: Introduce qcom-opp bindings

On Fri, Dec 21, 2018 at 2:56 AM Rajendra Nayak <rnayak@...eaurora.org> wrote:
>
> On Qualcomm Technologies, Inc. platforms, an OPP node needs
> to describe an additional level/corner value that is then communicated
> to a remote microprocessor by the CPU, which then takes some
> actions (like adjusting voltage values across various rails)
> based on the value passed.
>
> Describe these bindings in the qcom-opp bindings document.
>
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
> Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> Reviewed-by: Rob Herring <robh@...nel.org>

And rescinded...

[...]

> +Required properties:
> +- qcom,level: On Qualcomm platforms an OPP node can describe a positive value
> +representing a corner/level that's communicated with a remote microprocessor
> +(usually called the RPM) which then translates it into a certain voltage on
> +a voltage rail.

Now we have Mediatek adding mtk,level...[1]

Create something common. Just 'opp-level' perhaps.

Rob

[1] https://lore.kernel.org/patchwork/patch/1028536/