From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E7A9C00140 for ; Tue, 2 Aug 2022 08:19:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235802AbiHBITD (ORCPT ); Tue, 2 Aug 2022 04:19:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236184AbiHBITC (ORCPT ); Tue, 2 Aug 2022 04:19:02 -0400 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on20607.outbound.protection.outlook.com [IPv6:2a01:111:f400:7e88::607]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F355719285 for ; Tue, 2 Aug 2022 01:19:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KXZn+plDVMPpwcONQlEUQiCsulDvbZB0b9/R+tGN9FcgeUiypk5WSuxrdxYI4loMKyBAhAfRXsM2G29KxzFUac+iuk+y5H8PWOl65D7hlUvjR2EkhHHJtu9/YmMtDDwMg9CGB1BAH6exd8C7NvHOl5XpdhlSq0Tb+d1xJXUA/mJrzKY7wu2dzlsect5mYuVT256n7wbcPK/AcAnt2E3J98xtqQAEttt/pthfL8sliruCAC3DuIC4b5OewL0HzOjdVqr5UJqjz3vo/JarA/d/XeyKN5ssWC7TR2FQZwaC4yPMqnX/PjGWVUSFT0x8vdJgwHRJ6ew2OIC2wmsh81Wslg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ZkXvzgpj9E7kz/YhpR0nhPtHcC4y60tSoMNu3L4uW00=; b=icq64cgEfh9g2HnexKRYcMxFicHUpCWUrVamXEFn+9rKm4Lz63FkzPrAFgw2vbZVsRWC2mb/xObdgb0OmSeQXAdfR4unB093O1L4jeLN05oGeyHHNkz4MwXyrG38/mlWbf/cjSlAM6/b8+lblFOoiK+TO3J5LPLr5PXBOMHYpieMj7yOwnvd9+5qxkbRDiY5SigrmoJCvbmO4HPkYfKVycZXTC+ybBrYQjq6kPi+sB9ztcjUNl3DcNnestT+jn2dNIBaByoV2p8+BBE9r8BqHyD/le+NdHR31JHfYE0cfEc6VWTJ3bU/9pkOKNQ8QhUTX07+beTY6lt6Gy3aE13Enw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 12.22.5.236) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ZkXvzgpj9E7kz/YhpR0nhPtHcC4y60tSoMNu3L4uW00=; b=F4QBJMIHqV54roMPjhgRvM38XCOmkgRY4N+RE+vdcCnaEjlB9VwygzcLUkUZwUZWP32/eiGdJFYcIiSAw27JnKp4VDSmRN/a1nvOGo9g56Hst/Otg1j/wECev13BC32zPpUfeJtQyoiK2l4nMs2NUEPtvQWAnwlZRkSbhOqIbt/bhlT7siEqp8QhVXoftXNHcR8jMY2CpP7Q/g5ngjL9W1twa/1PX2dW4Q4zUqFT4R7EtM1zxKEBNrev/HP/w987yBjN36A6bVYEg/Fx5ikfj+dOrZnCdO3+HZ6iOv69cTopaIIq59gyLeF++oOhHA8YBPDmzuCDRBTU3vZGXrr0Uw== Received: from DM6PR02CA0166.namprd02.prod.outlook.com (2603:10b6:5:332::33) by MN2PR12MB3744.namprd12.prod.outlook.com (2603:10b6:208:166::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5482.12; Tue, 2 Aug 2022 08:18:57 +0000 Received: from DM6NAM11FT059.eop-nam11.prod.protection.outlook.com (2603:10b6:5:332:cafe::e1) by DM6PR02CA0166.outlook.office365.com (2603:10b6:5:332::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5482.15 via Frontend Transport; Tue, 2 Aug 2022 08:18:57 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 12.22.5.236) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.236 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.236; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (12.22.5.236) by DM6NAM11FT059.mail.protection.outlook.com (10.13.172.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5482.10 via Frontend Transport; Tue, 2 Aug 2022 08:18:57 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by DRHQMAIL109.nvidia.com (10.27.9.19) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Tue, 2 Aug 2022 08:18:44 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Tue, 2 Aug 2022 01:18:44 -0700 Received: from r-build-bsp-02.mtr.labs.mlnx (10.127.8.9) by mail.nvidia.com (10.129.68.8) with Microsoft SMTP Server id 15.2.986.26 via Frontend Transport; Tue, 2 Aug 2022 01:18:42 -0700 From: To: CC: , , Michael Shych Subject: [PATCH hwmon-next v5 3/3] docs: hwmon: add emc2305.rst to docs Date: Tue, 2 Aug 2022 11:18:32 +0300 Message-ID: <20220802081832.6692-4-michaelsh@nvidia.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20220802081832.6692-1-michaelsh@nvidia.com> References: <20220802081832.6692-1-michaelsh@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4095e0b7-89c3-4b64-ed18-08da745fa5a9 X-MS-TrafficTypeDiagnostic: MN2PR12MB3744:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.236;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(376002)(396003)(346002)(136003)(39860400002)(36840700001)(46966006)(40470700004)(47076005)(426003)(336012)(186003)(1076003)(2616005)(107886003)(36756003)(26005)(36860700001)(6666004)(82310400005)(41300700001)(2906002)(478600001)(2876002)(40460700003)(5660300002)(86362001)(316002)(966005)(82740400003)(6916009)(54906003)(81166007)(40480700001)(8676002)(8936002)(4326008)(70586007)(70206006)(356005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Aug 2022 08:18:57.4251 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4095e0b7-89c3-4b64-ed18-08da745fa5a9 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.236];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT059.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3744 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org From: Michael Shych Add description of emc2305 driver. Signed-off-by: Michael Shych Reviewed-by: Vadim Pasternak --- v1->v2 - Add document to index.rst --- Documentation/hwmon/emc2305.rst | 40 ++++++++++++++++++++++++++++++++++++++++ Documentation/hwmon/index.rst | 1 + 2 files changed, 41 insertions(+) create mode 100644 Documentation/hwmon/emc2305.rst diff --git a/Documentation/hwmon/emc2305.rst b/Documentation/hwmon/emc2305.rst new file mode 100644 index 000000000000..258da49d18f9 --- /dev/null +++ b/Documentation/hwmon/emc2305.rst @@ -0,0 +1,40 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver emc2305 +===================== + +Supported chips: + Microchip EMC2305, EMC2303, EMC2302, EMC2301 + + Addresses scanned: I2C 0x27, 0x2c, 0x2d, 0x2e, 0x2f, 0x4c, 0x4d + Prefixes: 'emc2305' + + Datasheet: Publicly available at the Microchip website : + https://www.microchip.com/en-us/product/EMC2305 + +Description: +----------- +This driver implements support for Microchip EMC2301/2/3/5 RPM-based PWM Fan Controller. +The EMC2305 Fan Controller supports up to 5 independently controlled PWM fan drives. +Fan rotation speeds are reported in RPM. +The driver supports the RPM-based PWM control to keep a fan at the desired speed. +The driver provides the possibility to have one common PWM interface for all FANs +or up to the maximum available or configured independent PWMs. + +The driver provides the following sysfs interfaces in hwmon subsystem: + +================= == =================================================== +fan[1-5]_fault RO files for tachometers TACH1-TACH5 fault indication +fan[1-5]_input RO files for tachometers TACH1-TACH5 input (in RPM) +pwm[1-5] RW file for fan[1-5] target duty cycle (0..255) +================= == =================================================== + +sysfs interfaces in thermal subsystem: + +================= == ======================================================================== +cur_state RW file for the current cooling state of the cooling device (0..max_state) +max_state RO file for the maximum cooling state of the cooling device +================= == ======================================================================== + +Configuration is possible via device tree: +Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index f7113b0f8b2a..83b082d222af 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -63,6 +63,7 @@ Hardware Monitoring Kernel Drivers ds620 emc1403 emc2103 + emc2305 emc6w201 f71805f f71882fg -- 2.14.1