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=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 F01AEC4742C for ; Wed, 11 Nov 2020 09:08:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9238B206E3 for ; Wed, 11 Nov 2020 09:08:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726509AbgKKJIZ (ORCPT ); Wed, 11 Nov 2020 04:08:25 -0500 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:8920 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726130AbgKKJIY (ORCPT ); Wed, 11 Nov 2020 04:08:24 -0500 Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AB981ax014206; Wed, 11 Nov 2020 04:08:06 -0500 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com with ESMTP id 34nsc94j4h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Nov 2020 04:08:06 -0500 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 0AB985LK040528 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Wed, 11 Nov 2020 04:08:05 -0500 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Wed, 11 Nov 2020 04:08:04 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Wed, 11 Nov 2020 04:08:04 -0500 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 0AB981gE023509; Wed, 11 Nov 2020 04:08:01 -0500 From: Alexandru Ardelean To: , , CC: , , , , , Alexandru Ardelean Subject: [PATCH v2 0/4] hwmon: (ltc2945): add support for sense resistor Date: Wed, 11 Nov 2020 11:12:55 +0200 Message-ID: <20201111091259.46773-1-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-11_02:2020-11-10,2020-11-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011110050 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org This changeset adds support the sense resistor that can be connected on a board to computer current & power. The sense resistor is a parameter of the board. It should be configured in the driver via a device-tree / ACPI property, so that the proper current measurements can be done in the driver. Changelog v1 -> v2: * https://lore.kernel.org/linux-hwmon/20201106101825.30960-1-alexandru.ardelean@analog.com/ * reverted kstrotoull() -> kstrtoul() * added sanity check for resistor, to prevent crashing when DT provides zero value * add DT binding doc for ltc2945 Alexandru Ardelean (4): hwmon: (ltc2945): wrap regmap into an ltc2945_state struct docs: hwmon: (ltc2945): change type of val to ULL in ltc2945_val_to_reg() hwmon: (ltc2945): add support for sense resistor dt-bindings: hwmon: ltc2945: add device tree doc for ltc2945 .../bindings/hwmon/adi,ltc2945.yaml | 49 ++++++++++ drivers/hwmon/ltc2945.c | 89 +++++++++++-------- 2 files changed, 103 insertions(+), 35 deletions(-) create mode 100644 Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml -- 2.17.1