Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
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
From:   Appana Durga Kedareswara rao 
        <appana.durga.kedareswara.rao@amd.com>
To:     <appanad@amd.com>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <appana.durga.rao@xilinx.com>,
        <michal.simek@xilinx.com>, <derek.kiernan@xilinx.com>,
        <dragan.cvetic@xilinx.com>, <arnd@arndb.de>,
        <gregkh@linuxfoundation.org>
CC:     <linux-arm-kernel@lists.infradead.org>, <git@amd.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH v5 3/4] dt-bindings: misc: tmr-inject: Add device-tree binding for TMR Inject
Date:   Mon, 26 Sep 2022 15:43:45 +0530
Message-ID: <20220926101346.272720-4-appana.durga.kedareswara.rao@amd.com>
In-Reply-To: <20220926101346.272720-1-appana.durga.kedareswara.rao@amd.com>
References: <20220926101346.272720-1-appana.durga.kedareswara.rao@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Sep 2022 10:14:38.3719
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 731e0be5-9b51-40e8-3b9f-08da9fa7eb80
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: CO1NAM11FT047.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4241
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham
        autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.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 <appana.durga.kedareswara.rao@amd.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
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-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 <appana.durga.kedareswara.rao@amd.com>
+
+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>;
+    };
-- 
2.25.1