From mboxrd@z Thu Jan 1 00:00:00 1970 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 C64B9C433FE for ; Thu, 9 Dec 2021 14:16:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238471AbhLIOUQ (ORCPT ); Thu, 9 Dec 2021 09:20:16 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:35093 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238461AbhLIOUN (ORCPT ); Thu, 9 Dec 2021 09:20:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1639059400; x=1670595400; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=nhu/DRtvsNP69U2TczNII5EIaKqMthBCJ+8MxNclmJ0=; b=evQpZirtDf9FKE17dV9GwPh0fBoziPbiX8IiDFGGRmS/LZ4hmrsEOdGi YRKuqGQ2adsWxzlkkuHV/fnjbukFhbEj9VZxoleFU32k2JD+87D2oQz2E 3DhHytfdbUaMld8c3ndtufU1p4y+tv4Sljxx+I9QYAP3yAEYFIC78jtxI U=; Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 09 Dec 2021 06:16:40 -0800 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 Dec 2021 06:16:40 -0800 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 15.2.922.19; Thu, 9 Dec 2021 06:16:39 -0800 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 15.2.922.19; Thu, 9 Dec 2021 06:16:36 -0800 From: Mao Jinlong To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin CC: Mao Jinlong , Mike Leach , Leo Yan , Greg Kroah-Hartman , , , , Tingwei Zhang , Yuanfang Zhang , Tao Zhang , Trilok Soni , Subject: [PATCH v2 3/9] dt-bindings: arm: Adds CoreSight TPDM hardware definitions Date: Thu, 9 Dec 2021 22:15:37 +0800 Message-ID: <20211209141543.21314-4-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211209141543.21314-1-quic_jinlmao@quicinc.com> References: <20211209141543.21314-1-quic_jinlmao@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain 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-kernel@vger.kernel.org Adds new coresight-tpdm.yaml file describing the bindings required to define tpdm in the device trees. Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong --- .../bindings/arm/coresight-tpdm.yaml | 83 +++++++++++++++++++ .../devicetree/bindings/arm/coresight.txt | 7 ++ MAINTAINERS | 1 + 3 files changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/coresight-tpdm.yaml diff --git a/Documentation/devicetree/bindings/arm/coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/coresight-tpdm.yaml new file mode 100644 index 000000000000..63b0583afcfc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/coresight-tpdm.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +# Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/coresight-tpdm.yaml# +$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: + - Tao Zhang + - Mao Jinlong + - Suzuki K Poulose + - Mathieu Poirier + +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 legacy CoreSight trace bus. + $ref: /schemas/graph.yaml#/properties/ports + properties: + port: + description: Output connection from the TPDM to legacy CoreSight + Trace bus. + $ref: /schemas/graph.yaml#/properties/port + +required: + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + # minimum TPDM definition. + - | + tpdm@6980000 { + compatible = "qcom,coresight-tpdm", "arm,primecell"; + reg = <0x6980000 0x1000>; + + clocks = <&aoss_qmp>; + clock-names = "apb_pclk"; + + out-ports { + port { + tpdm_turing_out_funnel_turing: endpoint { + remote-endpoint = + <&funnel_turing_in_tpdm_turing>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index c68d93a35b6c..f7ce8af48574 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -52,6 +52,10 @@ its hardware characteristcs. "arm,coresight-cti", "arm,primecell"; See coresight-cti.yaml for full CTI definitions. + - Trace, Profiling and Diagnostics Monitor (TPDM): + "qcom,coresight-tpdm", "arm,primecell"; + See coresight-tpdm.yaml for full TPDM definitions. + * reg: physical base address and length of the register set(s) of the component. @@ -82,6 +86,9 @@ its hardware characteristcs. * Required properties for Coresight Cross Trigger Interface (CTI) See coresight-cti.yaml for full CTI definitions. +* Required properties for Trace, Profiling and Diagnostics Monitor (TPDM) + See coresight-tpdm.yaml for full TPDM definitions. + * Required properties for devices that don't show up on the AMBA bus, such as non-configurable replicators and non-configurable funnels: diff --git a/MAINTAINERS b/MAINTAINERS index 59f39b3194f6..d763ba684b99 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15566,6 +15566,7 @@ M: Jinlong Mao M: Mathieu Poirier M: Suzuki K Poulose S: Maintained +F: Documentation/devicetree/bindings/arm/coresight-tpdm.yaml F: drivers/hwtracing/coresight/coresight-tpdm.c QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT -- 2.17.1