linux-kernel - Re: [PATCH v10 2/6] dt-bindings: opp: v2-qcom-level: Document CPR3 open/closed loop volt adjustment

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Message-ID: <20230217231330.GA2238521-robh@kernel.org>
Date:   Fri, 17 Feb 2023 17:13:30 -0600
From:   Rob Herring <robh@...nel.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        Niklas Cassel <nks@...wful.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Robert Marko <robimarko@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v10 2/6] dt-bindings: opp: v2-qcom-level: Document CPR3
 open/closed loop volt adjustment

On Fri, Feb 17, 2023 at 12:08:25PM +0100, Konrad Dybcio wrote:
> CPR3 and newer can be fed per-OPP voltage adjustment values for both
> open- and closed-loop paths to make better decisions about settling
> on the final voltage offset target. Document these properties.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  .../devicetree/bindings/opp/opp-v2-qcom-level.yaml         | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml b/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
> index a30ef93213c0..93cc88434dfe 100644
> --- a/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
> +++ b/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
> @@ -34,6 +34,20 @@ patternProperties:
>          minItems: 1
>          maxItems: 2
>  
> +      qcom,opp-cloop-vadj:
> +        description: |
> +          A value representing the closed-loop voltage adjustment value

A value?

> +          associated with this OPP node.
> +        $ref: /schemas/types.yaml#/definitions/int32-array
> +        maxItems: 2

Or 2 values?

> +
> +      qcom,opp-oloop-vadj:
> +        description: |
> +          A value representing the open-loop voltage adjustment value
> +          associated with this OPP node.
> +        $ref: /schemas/types.yaml#/definitions/int32-array
> +        maxItems: 2
> +
>      required:
>        - opp-level
>        - qcom,opp-fuse-level
> 
> -- 
> 2.39.1
>