From patchwork Mon Sep 5 06:53:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 602860 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D902ECAAD5 for ; Mon, 5 Sep 2022 06:55:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236490AbiIEGzb (ORCPT ); Mon, 5 Sep 2022 02:55:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236778AbiIEGzM (ORCPT ); Mon, 5 Sep 2022 02:55:12 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E58F113F50; Sun, 4 Sep 2022 23:55:07 -0700 (PDT) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 2855UIMJ015466; Mon, 5 Sep 2022 06:54:50 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-type; s=qcppdkim1; bh=Uk2mTMuCvCE855hlHRDO/yjZfKxP4DOwhs11NQl+BdA=; b=EOtkK03v719El0I3o4ymFvfmZwW8pPYcsXdACdEwHhyhQim/FUUC/habH78IepG7hoCJ UWj9Ux6T8GSkLzqU++t2AYnmuGnQuE7KkmA7KPJP5sKTpZb4fPHrheSuk3AgX3Bae93p Yi2UXGQIx2RLdeAD0pEzBJTuswnVYmojSbPCR34MVhABuvw07YevVtmT6IDNdfgcMpNc r+TzF+fGA7rLehNXez4C69IwYRwheNbxYIUU0DbbWCCZ1oQxqdm8M1/S8kPUpRg4fqnL HJwvB0ReVmBNz8ZwTNI4ge/YsZGKl3XmdkECFwGfbxOtrlsU5w56jk8Kr/SpBCwkXxvD WA== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jc07db9xq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Sep 2022 06:54:50 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 2856snMv002940 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 5 Sep 2022 06:54:49 GMT Received: from jinlmao-gv.qualcomm.com (10.80.80.8) 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 15.2.986.29; Sun, 4 Sep 2022 23:54:44 -0700 From: Mao Jinlong To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , Konrad Dybcio , Mike Leach , Rob Herring , Krzysztof Kozlowski CC: Mao Jinlong , Leo Yan , "Greg Kroah-Hartman" , , , , , Tingwei Zhang , Yuanfang Zhang , Tao Zhang , Trilok Soni , Hao Zhang , , Bjorn Andersson Subject: [PATCH v13 7/9] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Mon, 5 Sep 2022 14:53:55 +0800 Message-ID: <20220905065357.1296-8-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220905065357.1296-1-quic_jinlmao@quicinc.com> References: <20220905065357.1296-1-quic_jinlmao@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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: yzt-XoEUtrkb7vkxmhmGkcdObVFexVxw X-Proofpoint-ORIG-GUID: yzt-XoEUtrkb7vkxmhmGkcdObVFexVxw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-09-05_05,2022-09-05_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 phishscore=0 spamscore=0 suspectscore=0 malwarescore=0 mlxlogscore=999 impostorscore=0 priorityscore=1501 clxscore=1015 adultscore=8 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209050033 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Adds new coresight-tpda.yaml file describing the bindings required to define tpda in the device trees. Acked-by: Suzuki K Poulose Reviewed-by: Rob Herring Reviewed-by: Mike Leach Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong --- .../bindings/arm/qcom,coresight-tpda.yaml | 111 ++++++++++++++++++ MAINTAINERS | 2 +- 2 files changed, 112 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml new file mode 100644 index 000000000000..eb9bfc5f93a2 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +# Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/qcom,coresight-tpda.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Trace, Profiling and Diagnostics Aggregator - TPDA + +description: | + TPDAs are responsible for packetization and timestamping of data sets + utilizing the MIPI STPv2 packet protocol. Pulling data sets from one or + more attached TPDM and pushing the resultant (packetized) data out a + master ATB interface. Performing an arbitrated ATB interleaving (funneling) + task for free-flowing data from TPDM (i.e. CMB and DSB data set flows). + +maintainers: + - Mao Jinlong + - Tao Zhang + +# Need a custom select here or 'arm,primecell' will match on lots of nodes +select: + properties: + compatible: + contains: + enum: + - qcom,coresight-tpda + required: + - compatible + +properties: + $nodename: + pattern: "^tpda(@[0-9a-f]+)$" + compatible: + items: + - const: qcom,coresight-tpda + - const: arm,primecell + + reg: + minItems: 1 + maxItems: 2 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: apb_pclk + + in-ports: + type: object + description: | + Input connections from TPDM to TPDA + $ref: /schemas/graph.yaml#/properties/ports + + out-ports: + type: object + description: | + Output connections from the TPDA to legacy CoreSight trace bus. + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port: + description: + Output connection from the TPDA to legacy CoreSight Trace bus. + $ref: /schemas/graph.yaml#/properties/port + +required: + - compatible + - reg + - clocks + - clock-names + - in-ports + - out-ports + +additionalProperties: false + +examples: + # minimum tpda definition. + - | + tpda@6004000 { + compatible = "qcom,coresight-tpda", "arm,primecell"; + reg = <0x6004000 0x1000>; + + clocks = <&aoss_qmp>; + clock-names = "apb_pclk"; + + in-ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + tpda_qdss_0_in_tpdm_dcc: endpoint { + remote-endpoint = + <&tpdm_dcc_out_tpda_qdss_0>; + }; + }; + }; + + out-ports { + port { + tpda_qdss_out_funnel_in0: endpoint { + remote-endpoint = + <&funnel_in0_in_tpda_qdss>; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 5ecdae14533b..1c7dc9736271 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2022,7 +2022,7 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux.git F: Documentation/ABI/testing/sysfs-bus-coresight-devices-* F: Documentation/devicetree/bindings/arm/arm,coresight-*.yaml -F: Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml +F: Documentation/devicetree/bindings/arm/qcom,coresight-*.yaml F: Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml F: Documentation/devicetree/bindings/arm/arm,trace-buffer-extension.yaml F: Documentation/trace/coresight/*