linux-kernel - Re: [[PATCH v2 1/2] dt-bindings: opp: Add 'opp-microwatt' entry in the OPP

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Date:   Wed, 23 Feb 2022 11:20:06 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     linux-kernel@...r.kernel.org, dietmar.eggemann@....com,
        rafael@...nel.org, daniel.lezcano@...aro.org, nm@...com,
        sboyd@...nel.org, mka@...omium.org, dianders@...omium.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [[PATCH v2 1/2] dt-bindings: opp: Add 'opp-microwatt' entry in
 the OPP

On 22-02-22, 14:07, Lukasz Luba wrote:
> Add new entry for the OPP which provides information about power
> expressed in micro-Watts. It is useful for the Energy Model framework.
> 
> Signed-off-by: Lukasz Luba <lukasz.luba@....com>
> ---
>  Documentation/devicetree/bindings/opp/opp-v2-base.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
> index 15a76bcd6d42..3f07a279ed2a 100644
> --- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
> +++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
> @@ -93,6 +93,13 @@ patternProperties:
>          minItems: 1
>          maxItems: 8   # Should be enough regulators
>  
> +      opp-microwatt:
> +        description:
> +          Power for the OPP
> +
> +          A value representing power for the OPP in micro-Watts.
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +

I was expecting a much larger change here. Look at how opp-microvolt and
opp-microamp is defined in this file.

Should this value be made per-supply/regulator, just like voltage/current ?

>        opp-level:
>          description:
>            A value representing the performance level of the device.

-- 
viresh