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

From: Jie Gan
Date: Thu Dec 12 2024 - 20:40:32 EST




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@xxxxxxxxxx>
Signed-off-by: Jie Gan <quic_jiegan@xxxxxxxxxxx>
---

[...]

+
+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