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 85211E784AF for ; Mon, 2 Oct 2023 10:19:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236372AbjJBKTc (ORCPT ); Mon, 2 Oct 2023 06:19:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236366AbjJBKTb (ORCPT ); Mon, 2 Oct 2023 06:19:31 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C284FB0; Mon, 2 Oct 2023 03:19:28 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 3927iLD8026586; Mon, 2 Oct 2023 06:19:02 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3tf0tf69tm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 02 Oct 2023 06:19:02 -0400 (EDT) Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 392AJ04P059434 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 2 Oct 2023 06:19:00 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 2 Oct 2023 06:18:59 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 2 Oct 2023 06:18:59 -0400 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.194]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 392AIk8G001378; Mon, 2 Oct 2023 06:18:49 -0400 From: Antoniu Miclaus To: Antoniu Miclaus , Jean Delvare , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet , , , , Subject: [PATCH v2 1/2] dt-bindings: hwmon: ltc2991: add bindings Date: Mon, 2 Oct 2023 13:18:14 +0300 Message-ID: <20231002101835.39624-1-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: pGbmJk5q5RC2OGC3CG4wuNMU-ko32tVH X-Proofpoint-ORIG-GUID: pGbmJk5q5RC2OGC3CG4wuNMU-ko32tVH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-02_03,2023-10-02_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxscore=0 malwarescore=0 bulkscore=0 phishscore=0 clxscore=1015 adultscore=0 suspectscore=0 mlxlogscore=999 priorityscore=1501 spamscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2309180000 definitions=main-2310020076 Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Add dt-bindings for ltc2991 octal i2c voltage, current and temperature monitor. Signed-off-by: Antoniu Miclaus --- changes in v2: - make compatible const type - remove `|` where not necessary - switch to micro-ohms for the shunt resistor property - add vendor prefix for temperature-enable .../bindings/hwmon/adi,ltc2991.yaml | 114 ++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml new file mode 100644 index 000000000000..3811ea07a04f --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml @@ -0,0 +1,114 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/adi,ltc2991.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices LTC2991 Octal I2C Voltage, Current and Temperature Monitor + +maintainers: + - Antoniu Miclaus + +description: | + The LTC2991 is used to monitor system temperatures, voltages and currents. + Through the I2C serial interface, the eight monitors can individually measure + supply voltages and can be paired for differential measurements of current + sense resistors or temperature sensing transistors. + + Datasheet: + https://www.analog.com/en/products/ltc2991.html + +properties: + compatible: + const: adi,ltc2991 + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + vcc-supply: true + +patternProperties: + "^channel@[0-3]$": + type: object + description: + Represents the differential/temperature channels. + + properties: + reg: + description: + The channel number. LTC2991 can monitor 4 currents/temperatures. + items: + minimum: 0 + maximum: 3 + + shunt-resistor-micro-ohms: + description: + The value of curent sense resistor in miliohms. Enables differential + input pair. + + adi,temperature-enable: + description: + Enables temperature readings for a input pair. + type: boolean + +required: + - compatible + - reg + - vcc-supply + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + hwmon@48 { + compatible = "adi,ltc2991"; + reg = <0x48>; + vcc-supply = <&vcc>; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + hwmon@48 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "adi,ltc2991"; + reg = <0x48>; + vcc-supply = <&vcc>; + + channel@0 { + reg = <0x0>; + shunt-resistor-micro-ohms = <100000>; + }; + + channel@1 { + reg = <0x1>; + shunt-resistor-micro-ohms = <100000>; + }; + + channel@2 { + reg = <0x2>; + temperature-enable; + }; + + channel@3 { + reg = <0x3>; + temperature-enable; + }; + }; + }; +... -- 2.42.0