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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 DM6NAM11FT049.mail.protection.outlook.com (10.13.172.188) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5612.13 via Frontend Transport; Thu, 8 Sep 2022 04:25:01 +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 15.1.2375.28; Wed, 7 Sep 2022 23:24:59 -0500 From: Appana Durga Kedareswara rao To: , , , , , , , , , CC: , , Krzysztof Kozlowski Subject: [PATCH v3 3/4] dt-bindings: misc: tmr-inject: Add device-tree binding for TMR Inject Date: Thu, 8 Sep 2022 09:54:43 +0530 Message-ID: <20220908042444.2866731-4-appana.durga.kedareswara.rao@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220908042444.2866731-1-appana.durga.kedareswara.rao@amd.com> References: <20220908042444.2866731-1-appana.durga.kedareswara.rao@amd.com> MIME-Version: 1.0 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: DM6NAM11FT049:EE_|BN9PR12MB5081:EE_ X-MS-Office365-Filtering-Correlation-Id: a8181405-0bfd-40dd-2958-08da915218f1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2022 04:25:01.7056 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a8181405-0bfd-40dd-2958-08da915218f1 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: DM6NAM11FT049.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR12MB5081 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220907_212508_671947_6C4FCEF8 X-CRM114-Status: GOOD ( 14.36 ) 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 The Triple Modular Redundancy(TMR) Inject core provides functional fault injection by changing selected MicroBlaze instructions, which provides the possibility to verify that the TMR subsystem error detection and fault recovery logic is working properly. Signed-off-by: Appana Durga Kedareswara rao Reviewed-by: Krzysztof Kozlowski --- 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-inject.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml diff --git a/Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml b/Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml new file mode 100644 index 000000000000..1b6020e4ec27 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/xlnx,tmr-inject.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Triple Modular Redundancy(TMR) Inject IP + +maintainers: + - Appana Durga Kedareswara rao + +description: | + The Triple Modular Redundancy(TMR) Inject core provides functional fault + injection by changing selected MicroBlaze instructions, which provides the + possibility to verify that the TMR subsystem error detection and fault + recovery logic is working properly. + +properties: + compatible: + enum: + - xlnx,tmr-inject-1.0 + + reg: + maxItems: 1 + + xlnx,magic: + minimum: 0 + maximum: 255 + description: | + Magic number, When configured it allows the controller to perform + recovery. + $ref: /schemas/types.yaml#/definitions/uint32 + +required: + - compatible + - reg + - xlnx,magic + +additionalProperties: false + +examples: + - | + fault-inject@44a30000 { + compatible = "xlnx,tmr-inject-1.0"; + reg = <0x44a10000 0x10000>; + xlnx,magic = <0x46>; + };