From patchwork Thu Dec 9 14:15:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 12695484 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 481D8C433EF for ; Thu, 9 Dec 2021 14:21:39 +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=xz8ZvJL3SLGtDqetLrgNuj4tPSUMiDR94ZL2eFYNtJY=; b=shdk+owYTeeD1w qWoeLgyTlLyCC6WoWfO4YHqOCl5xG1nueknDl8Jz2cnWG9BFAdB1NVdZhdPIoZLXZ9Oqqs/ORwA/5 UjVSWCVQRVTpAh2WzuOSRvozA4yeelyL7UsA9RGAJ2COmOTED89mEP3Q5wHJPXc2ltQKAnxWHglnd aTdtDW0D/C3W09PFJSiHrx3JhkyQXHpY+S91HDTAt7+fHX6aKLNOXGjrv8X6S6Bk6yEqAoRNRU/3a n7/qaoZnQ0u7CstzSa1gIr7AmMxOLigEVim+o2YNnLKoRj09IUDpanozIojg2RXWL1a7itgY92VeY jn/5dN7Dh0fWKXNUXuLg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvKH3-00GGKi-Jz; Thu, 09 Dec 2021 14:19:54 +0000 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvKEO-00GEvN-MI for linux-arm-kernel@lists.infradead.org; Thu, 09 Dec 2021 14:17:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1639059428; x=1670595428; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=+gEGiTe5F7Hgf4jkiA8JEJg9Ffn33edoUDRll/gXJQY=; b=pmqcco2QuYm/tljfPExhT/XEqgZW2r/dh1gQhQvAFq4GOQGmuXIpQKBI BT/OgLni/hSU+ksiPBMsPw1RXxg6LSPuK2KmCRwSeU3gzWPs5x8r4VW4m JwakKJmFGchxsWO0P2o3wu3NkVga4DbqjYoFRCJR1p5M3lQkg2MPafKeA U=; Received: from unknown (HELO ironmsg05-sd.qualcomm.com) ([10.53.140.145]) by alexa-out-sd-01.qualcomm.com with ESMTP; 09 Dec 2021 06:17:08 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg05-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2021 06:17:08 -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 06:17:07 -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 06:17:04 -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 8/9] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Thu, 9 Dec 2021 22:15:42 +0800 Message-ID: <20211209141543.21314-9-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 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-20211209_061708_807183_E069E795 X-CRM114-Status: GOOD ( 16.40 ) 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. Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong --- .../bindings/arm/coresight-tpda.yaml | 131 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 132 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/coresight-tpda.yaml diff --git a/Documentation/devicetree/bindings/arm/coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/coresight-tpda.yaml new file mode 100644 index 000000000000..4ce8c81a109a --- /dev/null +++ b/Documentation/devicetree/bindings/arm/coresight-tpda.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +# Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/coresight-tpda.yaml# +$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: + - Tao Zhang + - Mao Jinlong + - Suzuki K Poulose + - Mathieu Poirier + +properties: + $nodename: + pattern: "^tpda(@[0-9a-f]+)$" + compatible: + items: + - const: qcom,coresight-tpda + - const: arm,primecell + + reg: + maxItems: 1 + + qcom,tpda-atid: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 1 + description: | + Use the ATID field for trace source identification. This allows + multiple TPDMs to be interleaved and formatted via the Coresight + trace formatter framing protocol and de-formatted/parsed on a host + or debugger. + + clocks: + maxItems: 1 + + clock-names: + items: + - const: apb_pclk + + in-ports: + type: object + description: | + Input connections from TPDM to TPDA + $ref: /schemas/graph.yaml#/properties/ports + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + "^port@[0-9a-f]+$": + type: object + required: + - reg + + required: + - '#size-cells' + - '#address-cells' + + 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 + - qcom,tpda-atid + - clocks + - clock-names + - in-ports + - out-ports + +additionalProperties: false + +examples: + # minimum tpda definition. + - | + tpda@6004000 { + compatible = "qcom,coresight-tpda", "arm,primecell"; + reg = <0x6004000 0x1000>; + + qcom,tpda-atid = <65>; + + 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 12e4e56a252c..d3b7ce75ba9d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15567,6 +15567,7 @@ M: Mathieu Poirier M: Suzuki K Poulose S: Maintained F: Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm +F: Documentation/devicetree/bindings/arm/coresight-tpda.yaml F: Documentation/devicetree/bindings/arm/coresight-tpdm.yaml F: drivers/hwtracing/coresight/coresight-tpda.c F: drivers/hwtracing/coresight/coresight-tpdm.c