[PATCH v6 01/12] dt-bindings: document access-controllers property for coresight peripherals

[Suzuki K Poulose]

Hi

On 26/02/2026 10:30, Gatien Chevallier wrote:
> Document the access-controllers for coresight peripherals in case some
> access checks need to be performed to use them.
> 
> Signed-off-by: Gatien Chevallier <gatien.chevallier at foss.st.com>
> Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
> ---
>   Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml           | 3 +++
>   .../devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml          | 3 +++
>   Documentation/devicetree/bindings/arm/arm,coresight-etm.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 +++

Are you sure, you are not missing "replicator" in the list ?

Otherwise, looks good to me.

Acked-by: Suzuki K Poulose <suzuki.poulose at arm.com>



>   6 files changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> index 2a91670ccb8c..949444aba1f8 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> @@ -128,6 +128,9 @@ properties:
>     "#address-cells":
>       const: 1
>   
> +  access-controllers:
> +    maxItems: 1
> +
>   patternProperties:
>     '^trig-conns@([0-9]+)$':
>       type: object
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
> index b74db15e5f8a..b0693cd46d27 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
> @@ -78,6 +78,9 @@ properties:
>           description: Output connection to CoreSight Trace bus
>           $ref: /schemas/graph.yaml#/properties/port
>   
> +  access-controllers:
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - reg
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
> index 71f2e1ed27e5..10ebbbeadf93 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
> @@ -118,6 +118,9 @@ properties:
>           description: Output connection from the ETM to CoreSight Trace bus.
>           $ref: /schemas/graph.yaml#/properties/port
>   
> +  access-controllers:
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - clocks
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml
> index 378380c3f5aa..f243e76f597f 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml
> @@ -73,6 +73,9 @@ properties:
>           description: Output connection to the CoreSight Trace bus.
>           $ref: /schemas/graph.yaml#/properties/port
>   
> +  access-controllers:
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - reg
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
> index 96dd5b5f771a..9dc096698c65 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
> @@ -128,6 +128,9 @@ properties:
>         - const: tracedata
>         - const: metadata
>   
> +  access-controllers:
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - reg
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
> index a207f6899e67..29bbc3961fdf 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
> @@ -70,6 +70,9 @@ properties:
>           description: Input connection from the CoreSight Trace bus.
>           $ref: /schemas/graph.yaml#/properties/port
>   
> +  access-controllers:
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - reg
>