Re: [PATCH v3 1/2] dt-bindings: arm: Add Qualcomm extended CTI

[Suzuki K Poulose]

On 22/07/2025 09:14, Mao Jinlong wrote:
> From: Yingchao Deng <quic_yingdeng@xxxxxxxxxxx>
>
> Add Qualcomm extended CTI support in CTI binding file. Qualcomm
> extended CTI supports up to 128 triggers.
>
> Signed-off-by: Yingchao Deng <quic_yingdeng@xxxxxxxxxxx>
> Signed-off-by: Mao Jinlong <quic_jinlmao@xxxxxxxxxxx>
> ---
>   Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> index 2d5545a2b49c..1aa27461f5bc 100644
> --- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
> @@ -84,7 +84,9 @@ properties:
>             - const: arm,coresight-cti
>             - const: arm,primecell
>         - items:
> -          - const: arm,coresight-cti-v8-arch
> +          - enum:
> +              - arm,coresight-cti-v8-arch
> +              - qcom,coresight-cti-extended

Why not call it qcom,coresight-cti ?

There are no other "qcom,coresight-cti", so "extended" is not required.
Is this specific to CPU (i.e., CPU bound) ?

Suzuki

>             - const: arm,coresight-cti
>             - const: arm,primecell
>