From patchwork Mon May 9 13:39:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 12843600 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 26D64C433F5 for ; Mon, 9 May 2022 13:41:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236257AbiEINo7 (ORCPT ); Mon, 9 May 2022 09:44:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236290AbiEINoz (ORCPT ); Mon, 9 May 2022 09:44:55 -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 0D7C32685D9; Mon, 9 May 2022 06:40:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1652103641; x=1683639641; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=JH0x1E/8aMwewdZ/zcW9VLRPTRAnZIwcMzcieBWDSRs=; b=R5xxJpjumCtwfJCC75U7pBWP5iaXD60r7f9PDbVo+coYnZD6v6jVdyiI I0HNri45y8rDnj2+GDZU6s2nBRo1lW9gKu51q/IUmfT1UQ6pIaX8l9UgW TvyNxeFZo2DMURpEe8gijJeVY06rQUP43tB+NfyRN1LwNWgKHAjImrynu Y=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 09 May 2022 06:40:39 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg04-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 May 2022 06:40:39 -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; Mon, 9 May 2022 06:40:39 -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; Mon, 9 May 2022 06:40:35 -0700 From: Mao Jinlong To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , Konrad Dybcio , Mike Leach CC: Mao Jinlong , Leo Yan , Greg Kroah-Hartman , , , , Tingwei Zhang , Yuanfang Zhang , Tao Zhang , Trilok Soni , Hao Zhang , , Bjorn Andersson Subject: [PATCH v7 08/10] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Mon, 9 May 2022 21:39:45 +0800 Message-ID: <20220509133947.20987-9-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220509133947.20987-1-quic_jinlmao@quicinc.com> References: <20220509133947.20987-1-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) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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 | 119 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 120 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..4948ac13e7f8 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/coresight-tpda.yaml @@ -0,0 +1,119 @@ +# 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 + $ref: /schemas/graph.yaml#/properties/ports + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + "^port@[0-9a-f]+$": + 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 + - 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 28d32b3f3f5c..5d2d8c0ee340 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1978,6 +1978,7 @@ 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