From patchwork Sun Jul 10 02:10:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 12912367 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 86BE0C43334 for ; Sun, 10 Jul 2022 02:12:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MvhqgPDC5w6aQBKHZCghou4DZ9J/3WZpBlgqY16WJR8=; b=Go0NZ5pQOC/RhY wd0qwnK4Lw8Mw0ymabJcHIB3SNyf2Ir/jrsBpL0AdXSthkL1Jop+uo6IYjLMlmbcTJeSzQXCol/QE Bwypj3sG3/WtPqNhTTdUaC0ornmnK5nwOmN17pL5ueI8EPhoZ66PyCk0S/iH5o49aYs4PVFwpl+7o Wp0f3tdTPzu/busYNwbYC66iJA33ueNpCEwAociK0IIsj6RryRstycwHQXsM8eyqrBuSBbGVPSK8s iIqnJAyrJU8Ur2kKs4BI2sPOmKpPzMUAfsbQghBtww+wrB+y7+EeaKOmDqqmBlqRFxZG0aq4iIU3q 1VHYfPS3T9esTx8aKVeg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oAMPv-00ACQj-IC; Sun, 10 Jul 2022 02:11:27 +0000 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oAMPZ-00ACJ2-6q for linux-arm-kernel@lists.infradead.org; Sun, 10 Jul 2022 02:11:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1657419065; x=1688955065; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=I5Y6EMVxCmQ/ALz9qfTIK1V6M44BTG87gCsPOKgJ5Jk=; b=CaoPLKeE8ODNYDbG9r8SfTNd5Kx9GUd5TUWs/qLKskUyCmdnzxKxamhD c+Qs77tvdUg8zf2n02YSd0pQQoMz/wCTLsjbPA4WulNVOrVxxbShs6QnK t+YkzbPyioCgacDzAZyvGYoB6PO6xjMi/sK+kblgqZsDg3soZmqR5cPDt k=; Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 09 Jul 2022 19:11:05 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg02-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2022 19:11:04 -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 19:11:03 -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 19:10:59 -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 3/9] dt-bindings: arm: Adds CoreSight TPDM hardware definitions Date: Sun, 10 Jul 2022 10:10:26 +0800 Message-ID: <20220710021032.27455-4-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) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220709_191105_322047_47A93B3B X-CRM114-Status: GOOD ( 16.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 Reviewed-by: Rob Herring Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong --- .../bindings/arm/qcom,coresight-tpdm.yaml | 93 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 94 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..5881cb41da70 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml @@ -0,0 +1,93 @@ +# 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: + minItems: 1 + maxItems: 2 + + 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 = <0x0684c000 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 926bdf8ac096..db7f70be6850 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-tpdm.yaml F: Documentation/devicetree/bindings/arm/coresight.txt F: Documentation/devicetree/bindings/arm/ete.yaml F: Documentation/devicetree/bindings/arm/trbe.yaml