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

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Message-ID: <5696a7ff-86ef-d751-525e-ff5e296b9b60@codeaurora.org>
Date:   Fri, 4 Jan 2019 11:03:09 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Rob Herring <robh@...nel.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 1/4/2019 12:13 AM, Rob Herring wrote:
> 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 And rescinded...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.

Sure Rob, I will resubmit with something more generic so it can
be used across SoC vendors.