From patchwork Tue Nov 7 06:09:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 742027 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB6909449; Tue, 7 Nov 2023 06:10:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="kHRosIPe" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6EA8E114; Mon, 6 Nov 2023 22:10:07 -0800 (PST) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3A75d8vw031673; Tue, 7 Nov 2023 06:09:53 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=PWY6YRKU0IXTGM891QJ0ZVdPq5v+3dJUoTHNiXEumQc=; b=kHRosIPezjln5uVjYGmk/TgVk7F/xLci5chBTySTA/3nQtYWKeLDo6JLi9p8dMVjzJa0 J3O7DeZ4UhDuz90F7qRf2osLJIQKwTrSFrbsjv/uJZiJovcGVXNZjKDNvw/wF5tyO6UR VJUYWU7AIJEEx1vgwKyJuabTdnXbJdhAvLI+VTH9lj/I234flt36o6j2F8ayvQvMbxRm otphDqa1lMXKHOyYo1Gw3TqZnk0ekZKDwk8TMchuadc7UJeJqK8urJutgJL8sTOOoSUT PShoDsexKs/ij7qzNpPQqBkrxssvBu/s7nLOYkf4P+WMQ+5a+uBzRdXC/Y6VuQ4w/7XK Xg== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3u72r29nas-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Nov 2023 06:09:53 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3A769qwB025512 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 7 Nov 2023 06:09:52 GMT Received: from hu-jinlmao-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.39; Mon, 6 Nov 2023 22:09:51 -0800 From: Mao Jinlong To: Suzuki K Poulose , Mike Leach , James Clark , "Alexander Shishkin" , Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley CC: Mao Jinlong , , , , , , Yuanfang Zhang , Tao Zhang Subject: [PATCH v1 2/2] dt-bindings: arm: Add remote etm driver Date: Mon, 6 Nov 2023 22:09:35 -0800 Message-ID: <20231107060939.13449-3-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231107060939.13449-1-quic_jinlmao@quicinc.com> References: <20231107060939.13449-1-quic_jinlmao@quicinc.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: J787pD3w99Bjv3VsOX3KgS6hvR0STSAG X-Proofpoint-ORIG-GUID: J787pD3w99Bjv3VsOX3KgS6hvR0STSAG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-06_15,2023-11-02_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 clxscore=1015 phishscore=0 priorityscore=1501 mlxscore=0 spamscore=0 mlxlogscore=883 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2311070048 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 --- .../arm/qcom,coresight-remote-etm.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml new file mode 100644 index 000000000000..04bb57b48d96 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml @@ -0,0 +1,59 @@ +# 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 + +maintainers: + - Jinlong Mao + - Tao Zhang + +description: | + Support for ETM trace collection on remote processor using coresight + framework. Enabling this will allow turning on ETM tracing on remote + processor via sysfs and collecting the trace via TMC sinks. + +properties: + compatible: + items: + - const: qcom,coresight-remote-etm + + qcom,inst-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Instance id of 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 + - qcom,inst-id + - out-ports + +unevaluatedProperties: false + +examples: + - | + modem_etm0 { + 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>; + }; + }; + }; + }; +...