From patchwork Wed Jun 8 15:47:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 579961 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 A656ACCA47E for ; Wed, 8 Jun 2022 15:48:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245093AbiFHPsg (ORCPT ); Wed, 8 Jun 2022 11:48:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244942AbiFHPsT (ORCPT ); Wed, 8 Jun 2022 11:48:19 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0670748E5F; Wed, 8 Jun 2022 08:48:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1654703292; x=1686239292; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=gcJe183rrHSpmEyptYmq0LP7nV+Y7GzE5iverLY4ieY=; b=FvjcMyIUKXbUpnN46s1hD8fB2IEfBhgoAzfD3g6b0knhi9OqbLe8XtDn Zk2g7RuOszrh/hkkvLmicCdKchxTiylSgxcwij/Mw1J2wdinmjK+iM4y2 Yl17Z2+R+SZOLhHb+xKuUASL9NbkICEVDBt0TpeN9tf9spU6B9SRDmg1s U=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 08 Jun 2022 08:48:12 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg03-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2022 08:48:11 -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; Wed, 8 Jun 2022 08:48:11 -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; Wed, 8 Jun 2022 08:48:05 -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 v8 08/10] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Wed, 8 Jun 2022 23:47:03 +0800 Message-ID: <20220608154705.40322-9-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220608154705.40322-1-quic_jinlmao@quicinc.com> References: <20220608154705.40322-1-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: devicetree@vger.kernel.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 --- .../bindings/arm/coresight-tpda.yaml | 100 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 101 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..82eb7f5d7ae4 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/coresight-tpda.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +# Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/coresight-tpda.yaml# +$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 + +properties: + $nodename: + pattern: "^tpda(@[0-9a-f]+)$" + compatible: + items: + - const: qcom,coresight-tpda + - const: arm,primecell + + reg: + maxItems: 1 + + 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 3527bda0e617..a441867844f7 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/coresight-tpda.yaml F: Documentation/devicetree/bindings/arm/coresight-tpdm.yaml F: Documentation/devicetree/bindings/arm/coresight.txt F: Documentation/devicetree/bindings/arm/ete.yaml