Re: [PATCH v6 1/5] dt-bindings: arm: coresight-tnoc: Bind on platform bus instead of AMBA

[Krzysztof Kozlowski]

On Fri, Jul 10, 2026 at 10:39:00AM +0800, Jie Gan wrote:
> The Aggregator TraceNoC hardware exposes CID registers, but the Component
> ID value returned by the hardware is 0x00000000 instead of a valid AMBA
> Component ID. As a result, the device cannot be identified on the AMBA
> bus.
> 
> Describe the Aggregator TraceNoC with a dedicated single
> "qcom,coresight-tnoc" compatible instead of the two-string AMBA form
> "qcom,coresight-tnoc", "arm,primecell". This creates the device on the
> platform bus so it is bound by the platform driver through its compatible
> string rather than as an AMBA device.
> 
> Signed-off-by: Jie Gan <jie.gan@xxxxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/arm/qcom,coresight-tnoc.yaml     | 16 ++--------------
>  1 file changed, 2 insertions(+), 14 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

Best regards,
Krzysztof