linux-kernel - Re: [PATCH 1/2] dt-bindings: arm: coresight: Add 'power-domains' property

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Message-ID: <CAL_JsqJCGPSxYb5CqiEM9YAmJjQE4wp_0HCWgBSqPDBBAJRMBA@mail.gmail.com>
Date:   Wed, 24 Aug 2022 14:04:31 -0500
From:   Rob Herring <robh@...nel.org>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc:     Coresight ML <coresight@...ts.linaro.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/STM32 ARCHITECTURE" 
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH 1/2] dt-bindings: arm: coresight: Add 'power-domains' property

On Thu, Jul 21, 2022 at 4:27 PM Rob Herring <robh@...nel.org> wrote:
>
> Coresight components may be in a power domain which is the case for the Arm
> Juno board. Allow a single 'power-domains' entry for Coresight components.

Ping.

>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml  | 3 +++
>  Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml   | 3 +++
>  .../devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml  | 3 +++
>  .../bindings/arm/arm,coresight-dynamic-replicator.yaml         | 3 +++
>  Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml | 3 +++
>  Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml   | 3 +++
>  .../devicetree/bindings/arm/arm,coresight-static-funnel.yaml   | 3 +++
>  .../bindings/arm/arm,coresight-static-replicator.yaml          | 3 +++
>  Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml   | 3 +++
>  Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml   | 3 +++
>  Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml  | 3 +++
>  .../devicetree/bindings/arm/arm,embedded-trace-extension.yaml  | 3 +++
>  12 files changed, 36 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml
> index d783d9276124..2bae06eed693 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml
> @@ -61,6 +61,9 @@ properties:
>      maxItems: 1
>      description: Address translation error interrupt
>
> +  power-domains:
> +    maxItems: 1
> +
>    in-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> index 72ffe4d1e948..0c5b875cb654 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> @@ -98,6 +98,9 @@ properties:
>        base cti node if compatible string arm,coresight-cti-v8-arch is used,
>        or may appear in a trig-conns child node when appropriate.
>
> +  power-domains:
> +    maxItems: 1
> +
>    arm,cti-ctm-id:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      description:
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
> index 1eeedc22857c..44a1041cb0fc 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
> @@ -54,6 +54,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    in-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
> index a26ed9214e00..03792e9bd97a 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
> @@ -54,6 +54,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    qcom,replicator-loses-context:
>      type: boolean
>      description:
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml
> index fd06ede26ceb..90679788e0bf 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml
> @@ -54,6 +54,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    in-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
> index e0377ce48537..01200f67504a 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
> @@ -73,6 +73,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    arm,coresight-loses-context-with-cpu:
>      type: boolean
>      description:
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
> index b9da30ab9ccd..06a1d346982c 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
> @@ -27,6 +27,9 @@ properties:
>    compatible:
>      const: arm,coresight-static-funnel
>
> +  power-domains:
> +    maxItems: 1
> +
>    in-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> index 66ee97370fb2..5178e7fdff0b 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> @@ -27,6 +27,9 @@ properties:
>    compatible:
>      const: arm,coresight-static-replicator
>
> +  power-domains:
> +    maxItems: 1
> +
>    in-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml
> index 905008faa012..378380c3f5aa 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml
> @@ -61,6 +61,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    out-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
> index 3463b6e53aef..e0b88a71356a 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
> @@ -55,6 +55,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    arm,buffer-size:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      deprecated: true
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
> index e80d48200c37..61a0cdc27745 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
> @@ -54,6 +54,9 @@ properties:
>        - const: apb_pclk
>        - const: atclk
>
> +  power-domains:
> +    maxItems: 1
> +
>    in-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml b/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
> index 5f07fb166c56..108460627d9a 100644
> --- a/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
> @@ -33,6 +33,9 @@ properties:
>        Handle to the cpu this ETE is bound to.
>      $ref: /schemas/types.yaml#/definitions/phandle
>
> +  power-domains:
> +    maxItems: 1
> +
>    out-ports:
>      description: |
>        Output connections from the ETE to legacy CoreSight trace bus.
> --
> 2.34.1
>