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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E76ACA9EAF for ; Mon, 21 Oct 2019 15:41:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2DE2214AE for ; Mon, 21 Oct 2019 15:41:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=analog.onmicrosoft.com header.i=@analog.onmicrosoft.com header.b="ynArVqbI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729127AbfJUPlW (ORCPT ); Mon, 21 Oct 2019 11:41:22 -0400 Received: from mx0b-00128a01.pphosted.com ([148.163.139.77]:23980 "EHLO mx0b-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726289AbfJUPlW (ORCPT ); Mon, 21 Oct 2019 11:41:22 -0400 Received: from pps.filterd (m0167090.ppops.net [127.0.0.1]) by mx0b-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x9LFXXGt003599; Mon, 21 Oct 2019 11:40:54 -0400 Received: from nam05-co1-obe.outbound.protection.outlook.com (mail-co1nam05lp2059.outbound.protection.outlook.com [104.47.48.59]) by mx0b-00128a01.pphosted.com with ESMTP id 2vqy46bw0h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 21 Oct 2019 11:40:54 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=U3Kv+D+zn2/ISQgRg5uQNAuWBTLzRiMJQLbRZHVIj/fhcms0a1tWjOaDlfHMCYXQ3ll5zMm6ooz2WrE3TDmKaOz4zkbM051wuMbsWFgLp3ZpbMmVS0WNvaUwUNcW8PNd4lLgzxVxBt/M2jdxw/b/fzMY+xTETJ6q9p4ybHG/GDRmcWn7rkIxr6ku3ARygX/I9Liv+kGsz7GAAueyXqAVhlgTcoiC2un0ccsoVCJh0mL+80lFvebQtwmNIip/Clhmd/VdunrzIgNYCT+yVlZesfMZ2VYN8tIEGajkegCjtCHXU34w5XPC3UO59nO2xQ1Zt+MhuO8Xg8rNRICYsLd/xw== 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-SenderADCheck; bh=1jpS+gCEUevYtrwJ2pR1CTP9IKd1jYmFKaMtnaJ1e0U=; b=f5oz1Acg5RvdBaBAdBZI2k0q5aeDq/zyMbHwIq1bfE0BDhz4ns7W9aNS2z2ymBDoxSrFqcffE+yEUq0b03n6kpUqGe/J+2lRGRh7vpw9vAiHC68e52RPz/rxFCiEFshcOMdt44P9YfxjL63rjJoUHO88PwKiNEfCcNCwhsIfdzWr0xexubJrOb7Y12ukOXqIEcB+plZCnuTk+ykr2zJKrbwAwJfszRCkg72TcTE2BxDSjbEdixCGgHapS63Yz0Kdvy1kBihOid8rwYEHh9ofAXt2tzgTtZUyT/s/hMDYVmDR3tBD3QkehfEugBEV7YamI9x/zkcM9xKR8tZjP1L2yg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 137.71.25.55) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=analog.com; dmarc=bestguesspass action=none header.from=analog.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.onmicrosoft.com; s=selector2-analog-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1jpS+gCEUevYtrwJ2pR1CTP9IKd1jYmFKaMtnaJ1e0U=; b=ynArVqbItCwMFzuXskxrLSxiXYWDeoGpF6VDFA5pDVM8f3J8LmXDf7jd/BcOM+hP3rI/tgJP6kHYO7Mzmyr9t9zmHItGXnmszmX6ZJJInXjxZYCwMeHyqEw+dKTAM+aBIm4BrJ8DpOZBTK/TtHb27myV2OPVwz/x0Q38ADudKn8= Received: from CY1PR03CA0004.namprd03.prod.outlook.com (2603:10b6:600::14) by BYAPR03MB3462.namprd03.prod.outlook.com (2603:10b6:a02:a9::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2347.21; Mon, 21 Oct 2019 15:40:52 +0000 Received: from CY1NAM02FT011.eop-nam02.prod.protection.outlook.com (2a01:111:f400:7e45::206) by CY1PR03CA0004.outlook.office365.com (2603:10b6:600::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.2367.21 via Frontend Transport; Mon, 21 Oct 2019 15:40:52 +0000 Received-SPF: Pass (protection.outlook.com: domain of analog.com designates 137.71.25.55 as permitted sender) receiver=protection.outlook.com; client-ip=137.71.25.55; helo=nwd2mta1.analog.com; Received: from nwd2mta1.analog.com (137.71.25.55) by CY1NAM02FT011.mail.protection.outlook.com (10.152.75.156) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.2367.14 via Frontend Transport; Mon, 21 Oct 2019 15:40:51 +0000 Received: from NWD2HUBCAS7.ad.analog.com (nwd2hubcas7.ad.analog.com [10.64.69.107]) by nwd2mta1.analog.com (8.13.8/8.13.8) with ESMTP id x9LFepQZ006667 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Mon, 21 Oct 2019 08:40:51 -0700 Received: from nsa.sphairon.box (10.44.3.90) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 21 Oct 2019 11:40:50 -0400 From: =?UTF-8?q?Nuno=20S=C3=A1?= To: , , CC: Rob Herring , Mark Rutland , Guenter Roeck , Jean Delvare , Jonathan Corbet Subject: [PATCH v3 2/2] dt-bindings: hwmon: Add ltc2947 documentation Date: Mon, 21 Oct 2019 17:41:15 +0200 Message-ID: <20191021154115.319073-2-nuno.sa@analog.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191021154115.319073-1-nuno.sa@analog.com> References: <20191021154115.319073-1-nuno.sa@analog.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.44.3.90] X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.55;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(39860400002)(136003)(376002)(396003)(346002)(189003)(199004)(110136005)(54906003)(305945005)(23676004)(5820100001)(53416004)(7636002)(966005)(7736002)(70206006)(70586007)(6306002)(4326008)(8936002)(50466002)(26005)(8676002)(106002)(316002)(76176011)(50226002)(45776006)(186003)(6666004)(356004)(16526019)(246002)(2870700001)(1076003)(486006)(36756003)(5660300002)(3846002)(446003)(11346002)(2906002)(2616005)(2201001)(86362001)(6116002)(47776003)(478600001)(426003)(336012)(476003)(126002);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR03MB3462;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;MX:1;A:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2003a0ba-1deb-4445-c3c2-08d7563d0dd3 X-MS-TrafficTypeDiagnostic: BYAPR03MB3462: X-MS-Exchange-PUrlCount: 3 X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; X-Forefront-PRVS: 0197AFBD92 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: sL1CJStpItdmYVTbCjjUH95aFkFGRnEU49TtsAMSdslkZvWxyBy+9kzrdTrPojx6LFZoV6thpTENlIIL6o8T+f06cx7hLkDA/c0L8mFIRFuoW2tuflzT/7XEvMpLoUu0L/yTf/rt/YgPNMNy83pPOwK7Zz5IsLg8WCuAPcMxw+y4FgKjecjQswuvesmiCJntHWDjoICJrysKTpJ1g5yRCDLQNJygOO1SjVwsoWKLuYDxaFyb/quEZGSB7jfPkDX3+0BvplBH2mxkiq1zBlEPcHD4LyI9lh8pMDbwu2QidTmZcZReAy8eokxqCMqrD5r7hdu+4c5KRL8KaGD2rgOpQlKKVvIPEXPD/+ZZRBq/FhRoIeISDG3EHXj66w2ws9/hVyA9ay+nf7ek3EGrbqJX+uZDsD2qVBptY2JImZA63SrgeOsVXoyfgcQd6mwsY5DNBJEn36B8t6kdfMirlc6kxWnD9rVKfsYJJAvlsqLvQSs= X-OriginatorOrg: analog.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Oct 2019 15:40:51.9949 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2003a0ba-1deb-4445-c3c2-08d7563d0dd3 X-MS-Exchange-CrossTenant-Id: eaa689b4-8f87-40e0-9c6f-7228de4d754a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=eaa689b4-8f87-40e0-9c6f-7228de4d754a;Ip=[137.71.25.55];Helo=[nwd2mta1.analog.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR03MB3462 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-21_04:2019-10-21,2019-10-21 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 spamscore=0 priorityscore=1501 adultscore=0 malwarescore=0 clxscore=1015 mlxlogscore=999 mlxscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1908290000 definitions=main-1910210147 Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Document the LTC2947 device devicetree bindings. Signed-off-by: Nuno Sá --- Changes in v2: * Add license identifier; * Fix the uint32-array properties; * Set maximum at the same indent as allOf in adi,accumulation-deadband-microamp; * Set enum at the same indent as allOf in adi,gpio-out-pol; * Use spi instead of spi0 on the example; Changes in v3: * Nothing changed. .../bindings/hwmon/adi,ltc2947.yaml | 104 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 105 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml new file mode 100644 index 000000000000..ae04903f34bf --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/hwmon/adi,ltc2947.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices LTC2947 high precision power and energy monitor + +maintainers: + - Nuno Sá + +description: | + Analog Devices LTC2947 high precision power and energy monitor over SPI or I2C. + + https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2947.pdf + +properties: + compatible: + enum: + - adi,ltc2947 + + reg: + maxItems: 1 + + clocks: + description: + The LTC2947 uses either a trimmed internal oscillator or an external clock + as the time base for determining the integration period to represent time, + charge and energy. When an external clock is used, this property must be + set accordingly. + maxItems: 1 + + adi,accumulator-ctl-pol: + description: + This property controls the polarity of current that is accumulated to + calculate charge and energy so that, they can be only accumulated for + positive current for example. Since there are two sets of registers for + the accumulated values, this entry can also have two items which sets + energy1/charge1 and energy2/charger2 respectively. Check table 12 of the + datasheet for more information on the supported options. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - minItems: 2 + maxItems: 2 + items: + enum: [0, 1, 2, 3] + default: 0 + + adi,accumulation-deadband-microamp: + description: + This property controls the Accumulation Dead band which allows to set the + level of current below which no accumulation takes place. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 255 + default: 0 + + adi,gpio-out-pol: + description: + This property controls the GPIO polarity. Setting it to one makes the GPIO + active high, setting it to zero makets it active low. When this property + is present, the GPIO is automatically configured as output and set to + control a fan as a function of measured temperature. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + default: 0 + + adi,gpio-in-accum: + description: + When set, this property sets the GPIO as input. It is then used to control + the accumulation of charge, energy and time. This function can be + enabled/configured separately for each of the two sets of accumulation + registers. Check table 13 of the datasheet for more information on the + supported options. This property cannot be used together with + adi,gpio-out-pol. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - minItems: 2 + maxItems: 2 + items: + enum: [0, 1, 2] + default: 0 + +required: + - compatible + - reg + + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + ltc2947_spi: ltc2947@0 { + compatible = "adi,ltc2947"; + reg = <0>; + /* accumulation takes place always for energ1/charge1. */ + /* accumulation only on positive current for energy2/charge2. */ + adi,accumulator-ctl-pol = <0 1>; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 318332b6a411..e2ba1a182052 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9638,6 +9638,7 @@ F: drivers/hwmon/ltc2947-core.c F: drivers/hwmon/ltc2947-spi.c F: drivers/hwmon/ltc2947-i2c.c F: drivers/hwmon/ltc2947.h +F: Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml LTC4306 I2C MULTIPLEXER DRIVER M: Michael Hennerich -- 2.23.0