76156d0676
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. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com> Link: https://lore.kernel.org/r/20231210072633.4243-2-quic_jinlmao@quicinc.com Signed-off-by: Rob Herring <robh@kernel.org>
52 lines
1.3 KiB
YAML
52 lines
1.3 KiB
YAML
# 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>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
...
|