linux-kernel - Re: [PATCH v2 05/12] dt-bindings: remoteproc: Add Qualcomm RPM processor/subsystem

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Message-ID: <9cdf22cc-6509-b87e-e631-4e3633d1f542@linaro.org>
Date:   Sat, 10 Jun 2023 18:43:17 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Stephan Gerhold <stephan@...hold.net>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH v2 05/12] dt-bindings: remoteproc: Add Qualcomm RPM
 processor/subsystem

On 08/06/2023 09:10, Stephan Gerhold wrote:
> On Qualcomm platforms, most subsystems (e.g. audio/modem DSP) are
> described as remote processors in the device tree, with a dedicated
> node where properties and services related to them can be described.


Thank you for your patch. There is something to discuss/improve.


> +
> +  smd-edge:
> +    $ref: /schemas/remoteproc/qcom,smd-edge.yaml#
> +    description:
> +      Qualcomm Shared Memory subnode which represents communication edge,
> +      channels and devices related to the RPM subsystem.
> +
> +  glink-rpm:

This should be "glink-edge", to be a bit more generic and match existing
smd-edge.

> +    $ref: /schemas/remoteproc/qcom,glink-rpm-edge.yaml#
> +    description:
> +      Qualcomm G-Link subnode which represents communication edge,
> +      channels and devices related to the RPM subsystem.
> +
> +  interrupt-controller:
> +    type: object
> +    $ref: /schemas/interrupt-controller/qcom,mpm.yaml#
> +    description:
> +      MSM Power Manager (MPM) interrupt controller that monitors interrupts
> +      when the system is asleep.
> +
> +  master-stats:
> +    $ref: /schemas/soc/qcom/qcom,rpm-master-stats.yaml#
> +    description:
> +      Subsystem-level low-power mode statistics provided by RPM.
> +
> +required:
> +  - compatible
> +


Best regards,
Krzysztof