From nobody Fri Sep 19 12:08:32 2025 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 35F6EC4332F for ; Fri, 25 Nov 2022 05:42:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229572AbiKYFmZ (ORCPT ); Fri, 25 Nov 2022 00:42:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbiKYFmX (ORCPT ); Fri, 25 Nov 2022 00:42:23 -0500 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2056.outbound.protection.outlook.com [40.107.243.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5A2B321E22; Thu, 24 Nov 2022 21:42:22 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KdZ9NcAITWcfjL8tOQb3vh/HZ3w0t1LS8BDzx68obEggCvobDLA/D7RnHm7q5obCHWbVnQ0+UhXDpgI3bikA0fASZgBnW1vyQEz6KxZfjWrNMwKGIzA7XnGZZTba4y/f35AGPcEzhk/7PRJoeNdtmo0ZgmVd88yfyYOWTxqe++6udrNuczqiIO6EcvGZEIpHsHgAjL78iSFoAUufef8c7156z+nclZ6aVEDOpr9NXVlYWvnE2vgLB83AVVSAfhKaSS/BebvDSPpz0rILwNXAhVJDA1XsHaHyHVx+U2ObRHzGkzZqtIB5HYdlbzwAuLz38ldOh1hMjeEF1u6ook5eeA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=1WxrxkOKAKISdtAr4xOiAUvdT7YfVKyssDi3LHkG5ko=; b=ilCWiZQk8IJgQ9ylyXnAlERDU4F1fuO4+NZ27TUDasG8uwkvUHqFcDpwpPV6PbRwm6j1MrLn8iz3eLa3JPcWecnUYGm0LybYl9MFhkXKTTinjAHRI/qBx/7qWxs3qrEdvQ4vYabjq794V+b1KsBpy2bC55wvFPme1djGi3oVisYhl3imxGrLfAf8scU0SV/zVfE/hB+CNjw2h8rtB98MhHqWbKb56z2Mt5o4lzRWU3sFCOnCx/CJ5lbFTaQ5bzq9n2GvhTiGjCr9YIrNUacrakG/Lo+jApDQ5vlREN8cx2QW5zwtEhNz1TGB2zRHMyOzHjjJkVCWwuYezdU/7CZ0DQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1WxrxkOKAKISdtAr4xOiAUvdT7YfVKyssDi3LHkG5ko=; b=IXnjXSgJh5nt4LMAECp04S+3rdEDKKstVLiJq6LK9knht3fAbR7m+IQ+HAw8edCvo9vLwnxG88Sn3KSqxj7fXTAx7vsuym+0nEJjgLE+N34VLvW6DqXQ53CC0sAYPOFi84zkyelBCiraL+uS+DuKkHR/ECbNLOTkVn1Cz/8vWNc= Received: from BN9PR03CA0210.namprd03.prod.outlook.com (2603:10b6:408:f9::35) by MN2PR12MB4488.namprd12.prod.outlook.com (2603:10b6:208:24e::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5857.20; Fri, 25 Nov 2022 05:42:11 +0000 Received: from BN8NAM11FT030.eop-nam11.prod.protection.outlook.com (2603:10b6:408:f9:cafe::4d) by BN9PR03CA0210.outlook.office365.com (2603:10b6:408:f9::35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5857.20 via Frontend Transport; Fri, 25 Nov 2022 05:42:06 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT030.mail.protection.outlook.com (10.13.177.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5857.17 via Frontend Transport; Fri, 25 Nov 2022 05:42:05 +0000 Received: from localhost (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 24 Nov 2022 23:41:49 -0600 From: Appana Durga Kedareswara rao To: , , , , , , , , , CC: , , Krzysztof Kozlowski Subject: [PATCH v7 1/4] dt-bindings: misc: tmr-manager: Add device-tree binding for TMR Manager Date: Fri, 25 Nov 2022 11:11:10 +0530 Message-ID: <20221125054113.122833-2-appana.durga.kedareswara.rao@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221125054113.122833-1-appana.durga.kedareswara.rao@amd.com> References: <20221125054113.122833-1-appana.durga.kedareswara.rao@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT030:EE_|MN2PR12MB4488:EE_ X-MS-Office365-Filtering-Correlation-Id: 82fc615c-655b-4733-2e9d-08dacea7c8d5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: qcGQxJrOqPW8qSd7khjqBFkTHvPs6wbLsYgeHrOlTYU5bMtv317Voy4ylDGYR19+JgxxpLgZ1pWiZZ9uEf+d9KXzC4M3ETli1BHURf+HnLVeSVXWeac1n/x1rKR5o50otBoHv0nfGaUJaGtft5uiEhJ5TMlCk2VontgBbI5YC7EFk0GA8lW7Cny+dBnayIRBAQlDtLIul41HuOJS7lc17WVgI+KwuZWKX/h+s4NXuZHojnNZRwmSePgllzuC7xjqBD7sTvt0T7zPXPdtggZaHAQwUWRcOHrx6+z3BftXpnJe2xRFVLie060TRist9i7rP1eWKuZrXuvGxRfHjd5LHiyMJSKIS0x5Zp69nR5PSlY5RKFvIiXMHKg7v/UuT11MRRQBI5J3e8TxX1QFk5tWpnLBh6N8FndC/h+tRSu0lEUPdUnVWDC9huiFdpAEIM/RvIUOCOaqhZq30dwP73RVK13mmjFd39JlFYOC51G6Jz5/KMGNXAx7n/YJDIRfwJqWrKgOPIh1dTv4NrFO2B+rbo19+iUgIuc4JSS0uuD/ytA3yJQUe5u6WWvhXQhzvGjOih3llevYA1Tbc7CBBtCH4ZOMhrmm8wIv57JrDjePKHbYTXceL37si3kxawhgQjfC0D2VlDPWIab1sT2iK7kyLZm2xbTIm8LdostS2w+xyGYI9D88NIdodohJ7xUhtixSfdmu43+rBxptMVjl4pmEsJrNrqKvcCSl2MHQ/z1YumGg5OJQ6ISgQOaWzzyzba9cyG4n3JNHrrejctvo3r9zgXqbkV5G/I4GIZbR2JtewIZCp7bHRHJPWZSoUK6TzX7uLaOx/E+qRuvbgg/txjtgUg== X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(39860400002)(346002)(396003)(376002)(136003)(451199015)(46966006)(40470700004)(36840700001)(966005)(478600001)(186003)(16526019)(82310400005)(426003)(41300700001)(2616005)(1076003)(316002)(54906003)(103116003)(40460700003)(82740400003)(36756003)(6666004)(40480700001)(110136005)(26005)(86362001)(4326008)(70586007)(921005)(70206006)(8676002)(5660300002)(8936002)(336012)(356005)(81166007)(47076005)(83380400001)(2906002)(36860700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2022 05:42:05.0152 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 82fc615c-655b-4733-2e9d-08dacea7c8d5 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT030.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4488 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Triple Modular Redundancy(TMR) subsystem contains three microblaze cores, subsystem is fault-tolerant and continues to operate nominally after encountering an error. Together with the capability to detect and recover from errors, the implementation ensures the reliability of the entire subsystem. TMR Manager is responsible for performing recovery of the subsystem detects the fault via a break signal it invokes microblaze software break handler which calls the tmr manager driver api to update the error count and status. Signed-off-by: Appana Durga Kedareswara rao Reviewed-by: Krzysztof Kozlowski --- Changes for v7: --> None. Changes for v6: --> None. Changes for v5: --> None. Changes for v4: --> None. Changes for v3: --> Added Krzysztof Reviewed by. Changes for v2: --> Added minimum and maximum values for xlnx,magic1 property as suggested by Michal. --> Fixed 80 char limit in description as suggested by Michal. .../bindings/misc/xlnx,tmr-manager.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/xlnx,tmr-manager= .yaml diff --git a/Documentation/devicetree/bindings/misc/xlnx,tmr-manager.yaml b= /Documentation/devicetree/bindings/misc/xlnx,tmr-manager.yaml new file mode 100644 index 000000000000..27de12147a52 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/xlnx,tmr-manager.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/xlnx,tmr-manager.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Triple Modular Redundancy(TMR) Manager IP + +maintainers: + - Appana Durga Kedareswara rao + +description: | + The Triple Modular Redundancy(TMR) Manager is responsible for handling t= he + TMR subsystem state, including fault detection and error recovery. The c= ore + is triplicated in each of the sub-blocks in the TMR subsystem, and provi= des + majority voting of its internal state. + +properties: + compatible: + enum: + - xlnx,tmr-manager-1.0 + + reg: + maxItems: 1 + + xlnx,magic1: + minimum: 0 + maximum: 255 + description: + Magic byte 1, When configured it allows the controller to perform + recovery. + $ref: /schemas/types.yaml#/definitions/uint32 + +required: + - compatible + - reg + - xlnx,magic1 + +additionalProperties: false + +examples: + - | + tmr-manager@44a10000 { + compatible =3D "xlnx,tmr-manager-1.0"; + reg =3D <0x44a10000 0x10000>; + xlnx,magic1 =3D <0x46>; + }; --=20 2.25.1