On 05/12/2023 09:29, Mao Jinlong wrote:
> Remote ETM(Embedded Trace Macrocell) is to capture information of
> the executed processor instructions of remote processors like modem.
> Add new coresight-remote-etm.yaml file describing the bindings
> required to define coresight remote etm in the device trees.
>
> Signed-off-by: Mao Jinlong <quic_jinlmao@xxxxxxxxxxx>
> +description:
> + Support for ETM trace collection on remote processor using coresight
> + framework. Enabling this will allow turning on ETM tracing on remote
> + processor like modem processor via sysfs and collecting the trace
> + via coresight TMC sinks.
> +
> +properties:
> + compatible:
> + const: qcom,coresight-remote-etm
> +
> + qcom,inst-id:
I did not receive my answer about this property one month ago, so:
NAK, drop this property.
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description:
> + Each kind of remote ETM has its unique instance id. The remote etm will
> + be enabled/disabled on remote processor based on the id send from
> + ap processor.
> +
> + out-ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> + additionalProperties: false
> +
> + properties:
> + port:
> + description: Output connection to the CoreSight Trace bus.
> + $ref: /schemas/graph.yaml#/properties/port
> +
> +required:
> + - compatible
> + - qcom,inst-id
> + - out-ports
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + modem-etm0 {
etm {
> + compatible = "qcom,coresight-remote-etm";
> + qcom,inst-id = <2>;
> +
> + out-ports {
> + port {
> + modem_etm0_out_funnel_modem: endpoint {
> + remote-endpoint = <&funnel_modem_in_modem_etm0>;
Missing indentation level
> + };
> + };
> + };
> + };
> +...
Best regards,
Krzysztof
