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Date: Tue, 2 Aug 2022 11:18:29 +0300 Message-ID: <20220802081832.6692-1-michaelsh@nvidia.com> X-Mailer: git-send-email 2.14.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6c9dd9db-a2dd-4d8e-6217-08da745f9acd X-MS-TrafficTypeDiagnostic: PH0PR12MB5679:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: n1cVggPc5dx1Jsi3xFV7wPGuNC3fEsDqqCB8+7kAcN+jtlK5Bw2bIZIdYMm1L5Qr/jz1M9XYJUNLqWTofCER4RpBnv3qJt3CnnNIkgtVSdwjHX4Zgc+B8e+kGbWEx1PwCJFumEW9qf21jimtm8HSZ7tPmI+x3C0SDBJdha3EI3z2Swqpgtev1GPDbmPjc8hw5N972nbApehirpoNZXgV2pTcejEGqAtp+xj82K+9U7N5FpHD0ByKpMMhlKtxBbgNSQ41do7sruSApYoQ9IkROIvEzmqezeIr/wBUPINCYXltR/XbZpmpvH8QauXz3eXDcAGxCBfh3ZkYiPo9UaC2mC9KbzvWdARVvw2SXji5BrR8DXB7Q9hSM+bCZhS4GukzQXLOQm37MFdAdVISgSRp4GegfuDT8dXlfbQbcF4zQ7Z6RG1Wa5WikzIMYW/HrpaLW3n3thR4KRgHNQF88JDbf5CXKSkc6i0QGG09RHRTiSnXz8BTdjLtrX14+bH5MxcwPSfglWWlUUq0prnn4hlDvScgHalotzQdkd8hfYZ5bf6jTQnIa78PGRWOSW17KT0p3u7ElfjDjj9xvwuRnsg6cD8JkjQ9FSxTwIwzu/mv+fLZJM8139Kj0x21LbzQQPXz6XD0f9wTY4y7eHgJeLwlz/7ONlGkoZQ1k8Js3LH3TcPpPpBmuhZMyNLkR/gKomz+5IlFrdbNt5ZwQvrc1QfDzHTbHHv31JbE3u16k7OYMHEwXjxRN35oNVaNSVrZ0Cr/QSeH5ScES7pvwpDxv+Wf1uobTr48Dxs/6sgeQEa4+6i3Zh2PrWQ1IgEMdGxY6p+1cqKWvrTz/ypTFyb/UMOm1g== X-Forefront-Antispam-Report: CIP:12.22.5.235;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(346002)(396003)(39860400002)(376002)(136003)(40470700004)(46966006)(36840700001)(336012)(107886003)(47076005)(186003)(86362001)(2616005)(1076003)(83380400001)(426003)(8936002)(5660300002)(8676002)(70586007)(70206006)(4326008)(36756003)(2906002)(2876002)(40480700001)(41300700001)(478600001)(82310400005)(316002)(6916009)(6666004)(26005)(356005)(81166007)(82740400003)(54906003)(40460700003)(36860700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Aug 2022 08:18:39.2962 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6c9dd9db-a2dd-4d8e-6217-08da745f9acd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.235];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT045.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5679 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org From: Michael Shych Introduce EMC2305 RPM-based PWM Fan Speed Controller The EMC2305 is an SMBus compliant fan controller with up to five controlled PWM fan drivers. All fan drivers are controlled by a programmable frequency PWM driver and Fan Speed Control algorithm that operates as a directly PWM-controlled device. The closed-loop Fan Speed Control algorithm (FSC) has the capability to detect aging fans and alert the system. It will likewise detect stalled or locked fans and trigger an interrupt. EMC2305 offers a clock output so that multiple devices may be chained and slaved to the same clock source for optimal performance in large distributed systems. Patch set includes: Patch#1 - define platform data for EMC2305 driver. Patch#2 - add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller. Patch#3 - add emc2305.rst into docs. Michael Shych (3): platform_data/emc2305: define platform data for EMC2305 driver hwmon: (emc2305) add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller. docs: hwmon: add emc2305.rst to docs Documentation/hwmon/emc2305.rst | 40 +++ Documentation/hwmon/index.rst | 1 + drivers/hwmon/Kconfig | 13 + drivers/hwmon/Makefile | 1 + drivers/hwmon/emc2305.c | 624 ++++++++++++++++++++++++++++++++++ include/linux/platform_data/emc2305.h | 22 ++ 6 files changed, 701 insertions(+) create mode 100644 Documentation/hwmon/emc2305.rst create mode 100644 drivers/hwmon/emc2305.c create mode 100644 include/linux/platform_data/emc2305.h