linux-kernel - Re: [PATCH v2 1/3] dt-bindings: power: qcom,rpmpd: Add SA8155P

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Message-ID: <f12d50a2-a9b0-5659-4224-2b7039ba058e@linaro.org>
Date:   Tue, 11 Apr 2023 19:37:28 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>
Subject: Re: [PATCH v2 1/3] dt-bindings: power: qcom,rpmpd: Add SA8155P

On 11/04/2023 15:47, Konrad Dybcio wrote:
> Add a compatible for SA8155P platforms and relevant defines to the
> include file.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  Documentation/devicetree/bindings/power/qcom,rpmpd.yaml | 1 +
>  include/dt-bindings/power/qcom-rpmpd.h                  | 9 +++++++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
> index afad3135ed67..f9c211a9a938 100644
> --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
> +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
> @@ -29,6 +29,7 @@ properties:
>        - qcom,qcm2290-rpmpd
>        - qcom,qcs404-rpmpd
>        - qcom,qdu1000-rpmhpd
> +      - qcom,sa8155p-rpmhpd
>        - qcom,sa8540p-rpmhpd
>        - qcom,sa8775p-rpmhpd
>        - qcom,sdm660-rpmpd
> diff --git a/include/dt-bindings/power/qcom-rpmpd.h b/include/dt-bindings/power/qcom-rpmpd.h
> index 1bf8e87ecd7e..867b18e041ea 100644
> --- a/include/dt-bindings/power/qcom-rpmpd.h
> +++ b/include/dt-bindings/power/qcom-rpmpd.h
> @@ -90,6 +90,15 @@
>  #define SM8150_MMCX	9
>  #define SM8150_MMCX_AO	10
>  
> +/* SA8155P is a special case, kept for backwards compatibility */

This is a new binding, thus I don't understand what is here backwards
compatible?

> +#define SA8155P_CX	SM8150_CX
> +#define SA8155P_CX_AO	SM8150_CX_AO
> +#define SA8155P_EBI	SM8150_EBI
> +#define SA8155P_GFX	SM8150_GFX
> +#define SA8155P_MSS	SM8150_MSS
> +#define SA8155P_MX	SM8150_MX
> +#define SA8155P_MX_AO	SM8150_MX_AO
> +

Best regards,
Krzysztof