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Thu, 14 Jan 2021 17:40:24 -0800 Envelope-to: git@xilinx.com, michal.simek@xilinx.com, mdf@kernel.org, trix@redhat.com, robh+dt@kernel.org, linux-fpga@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, chinnikishore369@gmail.com Received: from [10.140.6.60] (port=56178 helo=xhdnavam40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1l0E6A-0007vy-Tc; Thu, 14 Jan 2021 17:40:23 -0800 From: Nava kishore Manne To: , , , , , , , CC: , , Nava kishore Manne Subject: [PATCH 1/2] dt-bindings: fpga: Add compatible value for Xilinx DFX AXI shutdown manger Date: Fri, 15 Jan 2021 07:04:30 +0530 Message-ID: <20210115013431.27667-1-nava.manne@xilinx.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ecad5ed8-84c3-4580-7fa4-08d8b8f6917d X-MS-TrafficTypeDiagnostic: CH2PR02MB6152: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:7219; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2021 01:40:41.4502 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ecad5ed8-84c3-4580-7fa4-08d8b8f6917d X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: SN1NAM02FT007.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR02MB6152 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch Adds compatible value for Xilinx Dynamic Function eXchnage(DFX) AXI Shutdown manager IP. Signed-off-by: Nava kishore Manne --- .../bindings/fpga/xilinx-pr-decoupler.txt | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt index 4284d293fa61..42fca058a5f4 100644 --- a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt +++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt @@ -7,13 +7,26 @@ changes from passing through the bridge. The controller can also couple / enable the bridges which allows traffic to pass through the bridge normally. +Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager +Softcore + +The Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager +manages one or more shutdown managers / fpga bridges. +The controller can shutdown/passthrough the bridges which prevents +AXI traffic from passing through the bridge. The controller safely +handles AXI4MM and AXI4-Lite interfaces on a Reconfigurable Partition +when it is undergoing dynamic reconfiguration (DFX), preventing system +deadlock that can occur if AXI transactions are interrupted by DFX + The Driver supports only MMIO handling. A PR region can have multiple -PR Decouplers which can be handled independently or chained via decouple/ -decouple_status signals. +PR Decouplers/AXI shutdown manager which can be handled independently +or chained via decouple/ decouple_status signals. Required properties: - compatible : Should contain "xlnx,pr-decoupler-1.00" followed by - "xlnx,pr-decoupler" + "xlnx,pr-decoupler" or + "xlnx,dfx-axi-shutdown-manager-1.00" followed by + "xlnx,dfx-axi-shutdown-manager" - regs : base address and size for decoupler module - clocks : input clock to IP - clock-names : should contain "aclk" -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 422E8C433E6 for ; Fri, 15 Jan 2021 01:42:16 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E631A23A5A for ; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nava kishore Manne , git@xilinx.com, chinnikishore369@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch Adds compatible value for Xilinx Dynamic Function eXchnage(DFX) AXI Shutdown manager IP. Signed-off-by: Nava kishore Manne --- .../bindings/fpga/xilinx-pr-decoupler.txt | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt index 4284d293fa61..42fca058a5f4 100644 --- a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt +++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt @@ -7,13 +7,26 @@ changes from passing through the bridge. The controller can also couple / enable the bridges which allows traffic to pass through the bridge normally. +Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager +Softcore + +The Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager +manages one or more shutdown managers / fpga bridges. +The controller can shutdown/passthrough the bridges which prevents +AXI traffic from passing through the bridge. The controller safely +handles AXI4MM and AXI4-Lite interfaces on a Reconfigurable Partition +when it is undergoing dynamic reconfiguration (DFX), preventing system +deadlock that can occur if AXI transactions are interrupted by DFX + The Driver supports only MMIO handling. A PR region can have multiple -PR Decouplers which can be handled independently or chained via decouple/ -decouple_status signals. +PR Decouplers/AXI shutdown manager which can be handled independently +or chained via decouple/ decouple_status signals. Required properties: - compatible : Should contain "xlnx,pr-decoupler-1.00" followed by - "xlnx,pr-decoupler" + "xlnx,pr-decoupler" or + "xlnx,dfx-axi-shutdown-manager-1.00" followed by + "xlnx,dfx-axi-shutdown-manager" - regs : base address and size for decoupler module - clocks : input clock to IP - clock-names : should contain "aclk" -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel