From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B16EB309DDB; Fri, 17 Jul 2026 12:39:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784291990; cv=none; b=KaB2/aZeFgvYStvjMdr53RQN+oW09rtKPuEiIJEca7PbSMSHINKtqjAx+6KsZ65lu8lSX0/dS/4fqegRYHORDYkHdZOUsMHbK4qFqwm4cUBRSxVO6/aprGEbHxqKI2mnKkdEYaUuskHEcuDK3QKCjivyvUQ6BSKUc/THET5Of24= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784291990; c=relaxed/simple; bh=lv+zKXn6nF/jFwWO1szVvShR7WcEuNTjhuTAo7RN65E=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=o+vKw8SYGwIqm2cYi1ZMDHsQKpcpLszCH1oExP+W16VliRGb3qN4zdqPmEget1zX1l1Lf51qTAjSi20dkUxI6zbhsSLZjcjZ9rXO6rnFYbbTJmW5sn0IfcpAMunwIKEmk282Umjl38FeToJtEsuRyGPvLXdtEqfrOaRkJUGOfIw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=analog.com; spf=pass smtp.mailfrom=analog.com; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b=jg9iTrzd; arc=none smtp.client-ip=148.163.135.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=analog.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=analog.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b="jg9iTrzd" Received: from pps.filterd (m0516787.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66HCOIYM2293944; Fri, 17 Jul 2026 08:39:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=DKIM; bh=LKiKW mv/HHx8B+Ia6O/yNpX0QdvMgEodIJOldKl67EU=; b=jg9iTrzdnxbL/4oYDbXrM 5hX9sB5kCzB1EOWFTPvyWT/hZn0bvPuLyFd7+j3mbyJ91y6buZ7kN2O/U5GmI6oD YiJ8PZOddZOpjPGWHtiamjD0YwBX+eGjtrL+vFIsGHffXEvZyB1yMTig/bmNR4YC zP79zFE1D3w84lPYMsq8Fs32/GYFbfhXzhOzqQWuijr+Cvk2xjbvk+PXic8lt6+O Qk0D8QvNQk9h6e5y8w8/pyOE1K55robYvL1zRsJpR3M1R0oQCRp6FopT+ZkfcCxU WuR5YKnyYxrZtIPsGo427xqbRGCEUldkFqLHX8FQXj6Cs3VcLrWkDd8O/3Mldam/ A== Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 4fe85x23aw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Jul 2026 08:39:23 -0400 (EDT) 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 66HCdMtt041796 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 17 Jul 2026 08:39:22 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.37; Fri, 17 Jul 2026 08:39:22 -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 15.2.1748.37 via Frontend Transport; Fri, 17 Jul 2026 08:39:22 -0400 Received: from HYB-JRXo5UEs61B.ad.analog.com ([10.66.6.191]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 66HCd3wA014702; Fri, 17 Jul 2026 08:39:17 -0400 From: Stefan Popa To: CC: , , , , Stefan Popa Subject: [PATCH v4 1/2] dt-bindings: iio: adc: add maxim,max40080 Date: Fri, 17 Jul 2026 15:38:48 +0300 Message-ID: <20260717123852.1140893-2-stefan.popa@analog.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260717123852.1140893-1-stefan.popa@analog.com> References: <20260717123852.1140893-1-stefan.popa@analog.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRuleOP-NewSCL: Rule Triggered X-Authority-Analysis: v=2.4 cv=aLnAb79m c=1 sm=1 tr=0 ts=6a5a227b cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=OmVn7CZJonkx5R5zMQLL:22 a=gEfo2CItAAAA:8 a=gAnH3GRIAAAA:8 a=VwQbUJbxAAAA:8 a=P-IC7800AAAA:8 a=Svqhk2N__qMwEp2CcvoA:9 a=sptkURWiP4Gy88Gu7hUp:22 a=d3PnA9EDa4IxuAV0gXij:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDEyOCBTYWx0ZWRfX4kA0ksafiJrO cXTIaHrsFJVQcGxpzYKTcv06oEQFk4/pgODhYHzOFRjkCYHetOIx3Up8TmskEIhxWutli6PWSRh zvGsFPdDn8BQMKFX7ro5qeu2qzkWj3nIfxR+yvz7wkLThkVoAt4YUIwtZoVtFCMMGo9ON7PtGOV w1QlG0+dw2lwM6Ec9O2pfZEJJ0b7dGV2u8I2NazeCxbQgUYwYYS/zm29lwQig+m9KwGDL5WllSL nIFyi7vdURTITwE+PkI+shgMaN9I2fCK+E7t1JM9uHf09KA7Be+CX4LrlaEYW2uUxT/I+pUnrt2 Ni7ZQ3in79wTxEGWPv2kdG+U7ojiEYFeTydfE2INNkwL8/Yi4+yv7WV9oP69b0Dr7Ukr+kyr/K0 eNbP8eu72MU4m1vPWqgRtmOwPU1FudYcYe/JDsRvBtBjLKg1Q5L3WJrG8jNe2MNojZ2o1ravp54 uI4LkcrTNVRCdwGJIyw== X-Proofpoint-GUID: bO-vlsSzEMwWfo0-yI-xCk87rM3tH3-x X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDEyOCBTYWx0ZWRfX8PoM37M9ywI0 wZB1CjCBvrk8RNT5/YRdAvp1Gs1IuirqOBtDRp1RnyyYAjxRE0qxYn92dSkX/Jpie3cN2xUXcKJ uOriK9z81urb7vZfB7DYLquGbVIzkVdrtAgXyzAbyK3jvxDBbZkh X-Proofpoint-ORIG-GUID: bO-vlsSzEMwWfo0-yI-xCk87rM3tH3-x X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-17_03,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 spamscore=0 impostorscore=0 bulkscore=0 adultscore=0 priorityscore=1501 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170128 Add device tree bindings for the Maxim MAX40080 bidirectional current-sense amplifier with a 12-bit ADC and an I2C/SMBus interface. Signed-off-by: Stefan Popa --- .../bindings/iio/adc/maxim,max40080.yaml | 64 +++++++++++++++++++ MAINTAINERS | 8 +++ 2 files changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml b/Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml new file mode 100644 index 0000000000000..3b367071b5d3f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/maxim,max40080.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX40080 bidirectional current-sense amplifier + +maintainers: + - Ciprian Hegbeli + - Stefan Popa + +description: | + The MAX40080 is a high-precision, bidirectional current-sense amplifier with + an integrated 12-bit ADC and an I2C/SMBus interface. It measures the voltage + across an external shunt resistor and the input bus voltage, and stores the + results in an internal FIFO. + + Datasheet: + https://www.analog.com/media/en/technical-documentation/data-sheets/MAX40080.pdf + +properties: + compatible: + const: maxim,max40080 + + reg: + maxItems: 1 + + vdd-supply: + description: Power supply for the device. + + interrupts: + maxItems: 1 + description: ALERT output for overcurrent/undervoltage threshold events. + + "#io-channel-cells": + const: 1 + + shunt-resistor-micro-ohms: + description: + Value of the current-sense shunt resistor connected between the IN+ and + IN- inputs. Used to scale the reported current. + +required: + - compatible + - reg + - vdd-supply + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@20 { + compatible = "maxim,max40080"; + reg = <0x20>; + vdd-supply = <&vdd_3v3>; + #io-channel-cells = <1>; + shunt-resistor-micro-ohms = <100000>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index e087673237636..9aa1bc9a65ac5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15513,6 +15513,14 @@ L: linux-iio@vger.kernel.org S: Supported F: drivers/iio/temperature/max30208.c +MAXIM MAX40080 CURRENT SENSE AMPLIFIER DRIVER +M: Ciprian Hegbeli +M: Stefan Popa +L: linux-iio@vger.kernel.org +S: Supported +W: https://ez.analog.com/linux-software-drivers +F: Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml + MAXIM MAX7360 KEYPAD LED MFD DRIVER M: Mathieu Dubois-Briand S: Maintained -- 2.53.0