[PATCH v7 3/5] dt-bindings: arm: Add Coresight TMC Control Unit hardware

Jie Gan quic_jiegan at quicinc.com
Thu Dec 12 17:39:29 PST 2024



On 12/13/2024 2:19 AM, Konrad Dybcio wrote:
> On 10.12.2024 4:15 AM, Jie Gan wrote:
>> Add binding file to specify how to define a Coresight TMC
>> Control Unit device in device tree.
>>
>> It is responsible for controlling the data filter function
>> based on the source device's Trace ID for TMC ETR device.
>> The trace data with that Trace id can get into ETR's buffer
>> while other trace data gets ignored.
>>
>> Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
>> Signed-off-by: Jie Gan <quic_jiegan at quicinc.com>
>> ---
> 
> [...]
> 
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,sa8775p-ctcu
> 
> I don't think anyone asked that question.. Is the TMCCU something unique
> to Qualcomm platforms?

Yes, only presents on Qualcomm platforms. That's why we try to upstream 
the driver.

> 
> Konrad

Thanks,
Jie




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