linux-kernel - Re: [PATCH v4 1/3] dt-bindings: arm: Add arm,trace-id for coresight dummy source

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Message-ID: <CAJ9a7Vgz7Nhm-6+=PA1=5B5WaRAVqt4fUvUPHawW2zjz1z9+BA@mail.gmail.com>
Date: Wed, 16 Oct 2024 11:12:53 +0100
From: Mike Leach <mike.leach@...aro.org>
To: Mao Jinlong <quic_jinlmao@...cinc.com>
Cc: Suzuki K Poulose <suzuki.poulose@....com>, James Clark <james.clark@....com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, coresight@...ts.linaro.org, 
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v4 1/3] dt-bindings: arm: Add arm,trace-id for coresight
 dummy source

On Mon, 29 Jul 2024 at 08:14, Mao Jinlong <quic_jinlmao@...cinc.com> wrote:
>
> Some dummy source HW has static trace id which cannot be changed via
> software programming. Add arm,trace-id for static id support to
> coresight dummy source.
>
> Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
> Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
> ---
>  .../devicetree/bindings/arm/arm,coresight-dummy-source.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
> index 6745b4cc8f1c..ecf3ba9cdd22 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
> @@ -38,6 +38,12 @@ properties:
>      enum:
>        - arm,coresight-dummy-source
>
> +  arm,static-trace-id:
> +    description: If dummy source needs static id support, use this to set trace id.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 1
> +    maximum: 111
> +
>    out-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>
> --
> 2.41.0
>

Reviewed-by: Mike Leach <mike.leach@...aro.org>

-- 
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK