From patchwork Mon Apr 25 04:03:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 12825261 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 3278EC433EF for ; Mon, 25 Apr 2022 04:06:45 +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=Kc7Q1PI/yecAGHXW5vxUmUL7IlodzNlzTdzm4XWRLIE=; b=noh31t1m29WmXR gonIRkIECU27BV13l4uJPUOSAcio/KpS/kbEm+Rxpx5LDt13+vyzOTjs0TtyTayCBOyDI2RbPbY9B uCH0DoUUViZe/Tv0ilIngyBX+8GRfw2T0e0D5tdOLUjuCM0MFYkIvD3/R8O43aGfZ4v4lW5SJmDPC yA30UKaj2T6Nvt2OFQjDC0mDmkJAbHxfimtWk3vL3EZngGNM3qDwyd1NwyN7irGhGoLQ0mxAncNsG +80Q2kubTCZdN7jNo7Ir9O4AWtFeiUu9plWrL0jYstFPV/lrAC1jGvEqqJux/uRWuSAP72ZmUHIvj qSPKDHTx2l2aMW/Qbb7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nipyf-00851E-A2; Mon, 25 Apr 2022 04:05:33 +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 1nipxC-0084SV-8j for linux-arm-kernel@lists.infradead.org; Mon, 25 Apr 2022 04:04:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1650859442; x=1682395442; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=Sis+KATqnd93VlGTIW/qXRsMNyQU/ETlDDCUlt+1KvQ=; b=CTnVyLZglbfypjOpBODk6fL66MNGgJbFSec6Gx4dN9TCAH+P11OVKshi oSMowMxo6+k4yF2E02k/muUxQ75j7R6BrLtOQNNAIGJIhpA+5NJyqZvrv Dka2IYlDd2Hdr4ziboDp4JgcUNR4AvwY/khL4aJu6mURoKwnQZaOUkI4q U=; Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-01.qualcomm.com with ESMTP; 24 Apr 2022 21:04:02 -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; 24 Apr 2022 21:04:01 -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; Sun, 24 Apr 2022 21:04:00 -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; Sun, 24 Apr 2022 21:03:57 -0700 From: Mao Jinlong To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , Konrad Dybcio CC: Mao Jinlong , Mike Leach , Leo Yan , Greg Kroah-Hartman , , , , Tingwei Zhang , Yuanfang Zhang , Tao Zhang , Trilok Soni , Hao Zhang , , Bjorn Andersson Subject: [PATCH v6 08/10] dt-bindings: arm: Adds CoreSight TPDA hardware definitions Date: Mon, 25 Apr 2022 12:03:02 +0800 Message-ID: <20220425040304.37487-9-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220425040304.37487-1-quic_jinlmao@quicinc.com> References: <20220425040304.37487-1-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-20220424_210402_382576_3631632D X-CRM114-Status: GOOD ( 13.28 ) 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 --- .../bindings/arm/coresight-tpda.yaml | 119 ++++++++++++++++++ 1 file changed, 119 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>; + }; + }; + }; + }; + +...