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client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by SJ1PEPF000023D8.mail.protection.outlook.com (10.167.244.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9654.0 via Frontend Transport; Fri, 20 Feb 2026 05:40:00 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Thu, 19 Feb 2026 23:39:59 -0600 Received: from xhdlakshmis40.xilinx.com (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Thu, 19 Feb 2026 23:39:55 -0600 From: Sai Krishna Potthuri To: Jonathan Cameron , David Lechner , Nuno Sa , Andy Shevchenko , Michal Simek , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , , , , Sai Krishna Potthuri Subject: [PATCH 0/5] iio: adc: xilinx-xadc: Add I2C interface support for System Management Wizard Date: Fri, 20 Feb 2026 11:09:36 +0530 Message-ID: <20260220053941.611415-1-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000023D8:EE_|MN0PR12MB6001:EE_ X-MS-Office365-Filtering-Correlation-Id: d242efc0-0113-4c91-079f-08de70427d50 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|36860700013|82310400026; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: LpcTK7kFey8uvlyRXVVmERG+jwaHQUBwrn6pGPS5US3RA+7dzrR+b6XmoUwCuPgbFxAXJYCyWGH6Z9Lrix1pRVUNNlnNEAopQF5gGZS07fenrB3RCu2PJL4MIGVMke1IizuA/bxAjCVFC1sNYReWu7yUGPz3Mtp3cg1ggC+kdbRPQ32tfn//1btIvtltSNaj7UJGrRlmaHKzPwmUg3aaDGce7PgyxKJ8KVgaFCAL3t+XBY8UXXslTp1SUlU+Cs+XKMt3+YYM8hHgzZgsYWzBNv8DUoi9tsLwLVHqLxWH1ciSIG93iu2SvHOxYg8bIOpiCFyRQ9c2BRrA5IsN+Hxec5jSxhwH84oM6xoeoVkCOmoNCTCu/U/xBoCf8loc5+Opc672CDsB0h/tMOXzaUiZRMnnytBrZKnkkZajBA2kzUwhZJEl9115ziICI8ctezV+ X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Feb 2026 05:40:00.4940 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d242efc0-0113-4c91-079f-08de70427d50 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023D8.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6001 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260219_214009_041783_074BBAF7 X-CRM114-Status: GOOD ( 12.09 ) 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 existing driver only supported AXI memory-mapped access to the System Management Wizard IP. This series extends the driver to support I2C-based access, which is particularly useful for System Controller usecases. Key Changes: - Extract common probe logic into xadc_device_setup() and xadc_device_configure(). - Add setup_channels function pointer to ops structure to support different ways to configure the channels. - Replace module_platform_driver() macro with custom init and exit functions to support multiple bus interfaces. - I2C interface support. - Convert binding file to YAML format. Note: We are working on x86 platform support where fixed channel configuration is used(no DT support). The setup_channels function pointer introduced in patch 2/3 enables different channel configuration approaches for various platforms. Sai Krishna Potthuri (5): iio: adc: xilinx-xadc: Add helper functions for the device setup iio: adc: xilinx-xadc: Add setup_channels function pointer to ops structure iio: adc: xilinx-xadc: Replace module macro with custom init/exit functions iio: adc: xilinx-xadc: Add I2C interface support dt-bindings: iio: adc: xilinx-xadc: convert to YAML format .../bindings/iio/adc/xilinx-xadc.txt | 141 --------- .../bindings/iio/adc/xilinx-xadc.yaml | 194 ++++++++++++ drivers/iio/adc/Kconfig | 11 + drivers/iio/adc/xilinx-xadc-core.c | 283 ++++++++++++++++-- drivers/iio/adc/xilinx-xadc.h | 8 + 5 files changed, 475 insertions(+), 162 deletions(-) delete mode 100644 Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt create mode 100644 Documentation/devicetree/bindings/iio/adc/xilinx-xadc.yaml -- 2.25.1