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client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by BL6PEPF00022575.mail.protection.outlook.com (10.167.249.43) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.181.6 via Frontend Transport; Thu, 9 Jul 2026 06:43:24 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.41; Thu, 9 Jul 2026 01:43:22 -0500 Received: from xhdshubpati40x.xilinx.com (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server id 15.2.2562.41 via Frontend Transport; Thu, 9 Jul 2026 01:43:16 -0500 From: Shubham Patil To: , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , "Manikanta Guntupalli" Subject: [PATCH v10 1/2] dt-bindings: i3c: Add AMD I3C master controller support Date: Thu, 9 Jul 2026 12:12:32 +0530 Message-ID: <20260709064233.1451482-2-shubhamsanjay.patil@amd.com> X-Mailer: git-send-email 2.49.1 In-Reply-To: <20260709064233.1451482-1-shubhamsanjay.patil@amd.com> References: <20260709064233.1451482-1-shubhamsanjay.patil@amd.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00022575:EE_|LV9PR12MB9829:EE_ X-MS-Office365-Filtering-Correlation-Id: 6c1fb64d-fa72-4f62-6ffc-08dedd855fd4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|7416014|82310400026|1800799024|376014|23010399003|9063799003|11063799006|3023799007|18002099003|22082099003|56012099006|13003099007|921020; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: aUT+cLB10bdrbO0zRr9xbdueFW6pf1bx/+PW2m2yzsx2kDShfJqr/OQXMLlkO9DpdkjolapSUb3Omh5RN0lkO3zktolWnM/eplxcmXejx09qYs8iRi+vBm+jMdFkY3yEeBK4KQc6VKdXz0e8vDxfkqDLSyo+hhGa82JBiasNWFxObtjIGbHB8uoLhRGA7BrYLQK5u/kaUWZgcAs9dzfhjHFjzzE+105jyY/8nCdg0Q7weZZcbSGg8MSiVi7Eu9BFllFIFhGusJ3BqxGMbuHLcQWfcdF44/6FfgKeKuxore091NYqQUq9dGIN2/3cqjeD4LPa9qjW4ThGqM2Y3bmqICLO4jCccEexH3Di2iR/cXl1vw9PAf123WGyQN6weivO2sP9ukzipsbaQVlqUqGaviqfmO76rs0PvSLvKt+HU4rSatsPh28hbCIdDSk5rAB1 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jul 2026 06:43:24.0906 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6c1fb64d-fa72-4f62-6ffc-08dedd855fd4 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00022575.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV9PR12MB9829 From: Manikanta Guntupalli Add device tree binding documentation for the AMD I3C master controller version 1.0. Signed-off-by: Manikanta Guntupalli Co-developed-by: Shubham Patil Signed-off-by: Shubham Patil Reviewed-by: Rob Herring (Arm) --- Changes for V10: Use symbolic interrupt macros and include arm-gic.h. Added Shubham Patil as Co-developed-by / Signed-off-by on the binding. Changes for V9: Updated the MAINTAINER section. Changes for V8: None. Changes for V7: Added i3c controller version details to commit description. Changes for V6: Corrected the file name for $id in yaml to fix the dtschema warning. Changes for V5: Renamed the xlnx,axi-i3c.yaml file into xlnx,axi-i3c-1.0.yaml. Changes for V4: Added h/w documentation details. Changes for V3: Updated commit description. Corrected the order of properties and removed resets property. Added compatible to required list. Added interrupts to example. Changes for V2: Updated commit subject and description. Moved allOf to after required. Removed xlnx,num-targets property. --- .../bindings/i3c/xlnx,axi-i3c-1.0.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/xlnx,axi-i3c-1.0.yaml diff --git a/Documentation/devicetree/bindings/i3c/xlnx,axi-i3c-1.0.yaml b/Documentation/devicetree/bindings/i3c/xlnx,axi-i3c-1.0.yaml new file mode 100644 index 000000000000..2caa245a8656 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/xlnx,axi-i3c-1.0.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i3c/xlnx,axi-i3c-1.0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AMD I3C master + +maintainers: + - Shubhrajyoti Datta + - Shubham Patil + +description: + The AXI-I3C IP is an I3C Controller with an AXI4-Lite interface, compatible + with the MIPI I3C Specification v1.1.1. The design includes bidirectional I/O + buffers that implement open collector drivers for the SDA and SCL signals. + External pull-up resistors are required to properly hold the bus at a Logic-1 + level when the drivers are released. + + For more details, please see https://docs.amd.com/r/en-US/pg439-axi-i3c + +properties: + compatible: + const: xlnx,axi-i3c-1.0 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + +allOf: + - $ref: i3c.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + + i3c@80000000 { + compatible = "xlnx,axi-i3c-1.0"; + reg = <0x80000000 0x10000>; + clocks = <&zynqmp_clk 71>; + interrupt-parent = <&imux>; + interrupts = ; + #address-cells = <3>; + #size-cells = <0>; + }; +... -- 2.49.1