| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/arm/qcom,coresight-remote-etm.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Qualcomm Coresight Remote ETM(Embedded Trace Macrocell) |
| |
| maintainers: |
| - Jinlong Mao <quic_jinlmao@quicinc.com> |
| - Tao Zhang <quic_taozha@quicinc.com> |
| |
| 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 |
| |
| 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 |
| - out-ports |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| etm { |
| compatible = "qcom,coresight-remote-etm"; |
| |
| out-ports { |
| port { |
| modem_etm0_out_funnel_modem: endpoint { |
| remote-endpoint = <&funnel_modem_in_modem_etm0>; |
| }; |
| }; |
| }; |
| }; |
| ... |
