From patchwork Fri Jun 10 03:21:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 580892 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 7C1BBCCA47B for ; Fri, 10 Jun 2022 03:22:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345943AbiFJDW0 (ORCPT ); Thu, 9 Jun 2022 23:22:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345559AbiFJDWW (ORCPT ); Thu, 9 Jun 2022 23:22:22 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84D00202D33; Thu, 9 Jun 2022 20:22:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1654831340; x=1686367340; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=UAPPlBkiDnHHeNX8LwXLbqehqolg415nszZuMvO0baU=; b=r5fhGA3Noi07lNPjp8hIjWH6eTlHSrNKLHW3IPqdQm8Bb7Zk/IWhZIno QtKlKjCi1Ygc3lvNac1QBTCZP+os2CnZ/0tKEhxeL2SuOJ7v1I/+eGx+Q w744E447r4cicSGc4JoSCb3CS9QLFJ8V+4S/6JxDDqVtrqAquF1X9ECjl 8=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 09 Jun 2022 20:22:20 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg01-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2022 20:22:20 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 9 Jun 2022 20:22:19 -0700 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 15.2.986.22; Thu, 9 Jun 2022 20:22:14 -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 v9 03/10] dt-bindings: arm: Adds CoreSight TPDM hardware definitions Date: Fri, 10 Jun 2022 11:21:37 +0800 Message-ID: <20220610032144.5173-4-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220610032144.5173-1-quic_jinlmao@quicinc.com> References: <20220610032144.5173-1-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) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Adds new coresight-tpdm.yaml file describing the bindings required to define tpdm in the device trees. Acked-by: Suzuki K Poulose Reviewed-by: Mike Leach Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong --- .../bindings/arm/qcom,coresight-tpdm.yaml | 92 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 93 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml new file mode 100644 index 000000000000..13e76b07d125 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +# Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/qcom,coresight-tpdm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Trace, Profiling and Diagnostics Monitor - TPDM + +description: | + The TPDM or Monitor serves as data collection component for various dataset + types specified in the QPMDA spec. It covers Implementation defined ((ImplDef), + Basic Counts (BC), Tenure Counts (TC), Continuous Multi-Bit (CMB), and Discrete + Single Bit (DSB). It performs data collection in the data producing clock + domain and transfers it to the data collection time domain, generally ATB + clock domain. + + The primary use case of the TPDM is to collect data from different data + sources and send it to a TPDA for packetization, timestamping, and funneling. + +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-tpdm + required: + - compatible + +properties: + $nodename: + pattern: "^tpdm(@[0-9a-f]+)$" + compatible: + items: + - const: qcom,coresight-tpdm + - const: arm,primecell + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: apb_pclk + + out-ports: + description: | + Output connections from the TPDM to coresight funnel/TPDA. + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port: + description: Output connection from the TPDM to coresight + funnel/TPDA. + $ref: /schemas/graph.yaml#/properties/port + +required: + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + # minimum TPDM definition. TPDM connect to coresight TPDA. + - | + tpdm@684c000 { + compatible = "qcom,coresight-tpdm", "arm,primecell"; + reg = <0 0x0684c000 0 0x1000>; + + clocks = <&aoss_qmp>; + clock-names = "apb_pclk"; + + out-ports { + port { + tpdm_prng_out_tpda_qdss: endpoint { + remote-endpoint = + <&tpda_qdss_in_tpdm_prng>; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index b85ee59e808b..e6a8dc714af7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1979,6 +1979,7 @@ 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/coresight-cpu-debug.txt F: Documentation/devicetree/bindings/arm/coresight-cti.yaml +F: Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml F: Documentation/devicetree/bindings/arm/coresight.txt F: Documentation/devicetree/bindings/arm/ete.yaml F: Documentation/devicetree/bindings/arm/trbe.yaml