linux-kernel - Re: [PATCH 3/6] dt-bindings: opp: Add compatible for H616

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Message-ID: <f512f11a-6b66-5892-ad9e-cc45d4abc508@linaro.org>
Date:   Mon, 4 Sep 2023 21:31:34 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Martin Botka <martin.botka@...ainline.org>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Yangtao Li <tiny.windzz@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-sunxi@...ts.linux.dev,
        devicetree@...r.kernel.org,
        Andre Przywara <andre.przywara@....com>,
        Alan Ma <tech@...u3d.com>,
        Luke Harrison <bttuniversity@...u3d.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rogerio Goncalves <rogerlz@...il.com>,
        Martin Botka <martin@...u3d.com>
Subject: Re: [PATCH 3/6] dt-bindings: opp: Add compatible for H616

On 04/09/2023 17:57, Martin Botka wrote:
> We need to add compatible for H616 to H6 cpufreq driver bindings.

Please describe the hardware, not what is needed for drivers.

> 
> Also enable opp_supported_hw property that will be needed for H616.
> 
> Signed-off-by: Martin Botka <martin.botka@...ainline.org>
> ---
>  .../bindings/opp/allwinner,sun50i-h6-operating-points.yaml          | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml b/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
> index 51f62c3ae194..2fa1199f2d23 100644
> --- a/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
> +++ b/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
> @@ -23,7 +23,10 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: allwinner,sun50i-h6-operating-points
> +    contains:

This does not look like part of allOf, so contains is no correct here.
This must be specific, so drop contains.

> +      enum:
> +        - allwinner,sun50i-h6-operating-points
> +        - allwinner,sun50i-h616-operating-points
>  
>    nvmem-cells:
>      description: |
> @@ -47,6 +50,7 @@ patternProperties:
>      properties:
>        opp-hz: true
>        clock-latency-ns: true
> +      opp-supported-hw: true

Why? It is already allowed. You should rather explain the values.

> 

Best regards,
Krzysztof