From patchwork Sat Jun 11 00:43:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 12878237 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 348D0C43334 for ; Sat, 11 Jun 2022 00:48:59 +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=pGn81SCTyvxiKO+r1WgSyxzO/TSEUmha9ODikVoBR8M=; b=upqdf2Che4zgHT TK0kjRlqZN4CmjRC5hmrlzYLT+9XjKpgCRRHF+tuEwcZqf7hVTJuW3UXXqoHJBL3ByItxJmgi3uep LeEieE1SF3I34egiPZ/FgW5PHnZzrvL8jaEDaKqC59uwrbOH6cLIbNe4Ma82eFrGavmkfl+fmYXdm Qk92s4G7nLAcwl/TH7El9C99HGZSxvVqD/fC9uf0D6H+6JH5bP93d1YBApQxoAxWhXsqw1Yw4DF9B LT4p7e0WooA503gYE1O0B6vG3sv4V/oXs4j5cEdQ6tWf6gRyKKj8jIPUmLQ6uHOLUlkyJYRFsrjDn v8H7YoL1xRaDu2JXbebw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzpI3-00AicS-La; Sat, 11 Jun 2022 00:47:47 +0000 Received: from alexa-out.qualcomm.com ([129.46.98.28]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzpEo-00Ah1G-Qa for linux-arm-kernel@lists.infradead.org; Sat, 11 Jun 2022 00:44:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1654908266; x=1686444266; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=T23Jw0hY9GpcejVZEviibvtAu6qUkbNI5ToiNWGfiC8=; b=KYYFxeUeRnA+lPkNpxVo6mSNqtrKFwd2nK/xaNglRFIK8faQ3GacAA7y O9TGkRcjBEiqnaZXr+ryJBUnRqQbIPfjW/q3klnS+ClF0rToKl1aoGzlJ c0xAosJx1RpFILyLjmsg9lhpd9YG1Ua1Bgf8rrlxqqcSESdBq0tStCZZV 4=; Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 10 Jun 2022 17:44:26 -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; 10 Jun 2022 17:44:25 -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; Fri, 10 Jun 2022 17:44:25 -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; Fri, 10 Jun 2022 17:44:20 -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 v10 08/10] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Sat, 11 Jun 2022 08:43:29 +0800 Message-ID: <20220611004331.7343-9-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220611004331.7343-1-quic_jinlmao@quicinc.com> References: <20220611004331.7343-1-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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220610_174426_931011_5706F460 X-CRM114-Status: GOOD ( 15.45 ) 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-tpda.yaml file describing the bindings required to define tpda in the device trees. Reviewed-by: Mike Leach Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong Reviewed-by: Rob Herring --- .../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 e6a8dc714af7..a181c73e1a01 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-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