From patchwork Sun Jul 10 02:10:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 12912378 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 AE181C433EF for ; Sun, 10 Jul 2022 02:11:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229777AbiGJCLu (ORCPT ); Sat, 9 Jul 2022 22:11:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229717AbiGJCLa (ORCPT ); Sat, 9 Jul 2022 22:11:30 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8AC0627FF6; Sat, 9 Jul 2022 19:11:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1657419081; x=1688955081; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=ywnWCTePgTsTzxvdtN/A12cXHBP833H0Vkpr+G5RXg4=; b=STvdzSApQDbWzDQtTfAiuoZncTtFyjDEjSB5sgsGmCw++SzAus+UpoEv x70r2oyR0x57Cbk6GpY16tJPNA8sBxdTgpGg8LIlwT7bn8bDEbAB44gjZ R6dstyzaLD+59C8Id2ChWOskhhHBcJYk36kEG1VNFvP8U3iTpd55pg5Jk c=; Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 09 Jul 2022 19:11:20 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg08-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2022 19:11:20 -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; Sat, 9 Jul 2022 19:11:19 -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; Sat, 9 Jul 2022 19:11:15 -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 v12 7/9] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Sun, 10 Jul 2022 10:10:30 +0800 Message-ID: <20220710021032.27455-8-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220710021032.27455-1-quic_jinlmao@quicinc.com> References: <20220710021032.27455-1-quic_jinlmao@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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 | 1 + 2 files changed, 112 insertions(+) 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 db7f70be6850..271465616b0b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1985,6 +1985,7 @@ 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-tpda.yaml F: Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml F: Documentation/devicetree/bindings/arm/coresight.txt F: Documentation/devicetree/bindings/arm/ete.yaml