From patchwork Fri Apr 14 10:28:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kim Seer Paller X-Patchwork-Id: 13211220 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 17663C77B70 for ; Fri, 14 Apr 2023 10:29:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230146AbjDNK3r (ORCPT ); Fri, 14 Apr 2023 06:29:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230135AbjDNK3q (ORCPT ); Fri, 14 Apr 2023 06:29:46 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78577E57; Fri, 14 Apr 2023 03:29:45 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33E7YLmn004374; Fri, 14 Apr 2023 06:29:31 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3px96s9dmc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 14 Apr 2023 06:29:30 -0400 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 33EATTXp060505 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 14 Apr 2023 06:29:29 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) 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 15.2.986.14; Fri, 14 Apr 2023 06:29:28 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 14 Apr 2023 06:29:28 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 14 Apr 2023 06:29:28 -0400 Received: from kimedia-VirtualBox.analog.com (KPALLER2-L02.ad.analog.com [10.116.185.143]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 33EATCbZ003623; Fri, 14 Apr 2023 06:29:17 -0400 From: Kim Seer Paller To: , , , , , CC: Subject: [PATCH 1/2] dt-bindings:iio:adc: add max14001 bindings Date: Fri, 14 Apr 2023 18:28:44 +0800 Message-ID: <20230414102844.21579-1-kimseer.paller@analog.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: b0FwTUOJrS_KqYt9ce2My3XCS1Lm3tK2 X-Proofpoint-ORIG-GUID: b0FwTUOJrS_KqYt9ce2My3XCS1Lm3tK2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-14_04,2023-04-14_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 suspectscore=0 priorityscore=1501 malwarescore=0 adultscore=0 spamscore=0 clxscore=1011 bulkscore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304140095 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add bindings for MAX14001. The MAX14001 is configurable, isolated 10-bit ADCs for multi-range binary inputs. Signed-off-by: Kim Seer Paller --- .../bindings/iio/adc/adi,max14001.yaml | 83 +++++++++++++++++++ MAINTAINERS | 7 ++ 2 files changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml b/Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml new file mode 100644 index 000000000..4546bf595 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,max14001.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,max14001.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX14001 ADC device driver + +maintainers: + - Kim Seer Paller + +description: | + Single channel 10 bit ADC with SPI interface. Datasheet + can be found here: + https://www.analog.com/media/en/technical-documentation/data-sheets/MAX14001-MAX14002.pdf + +properties: + compatible: + enum: + - adi,max14001 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 5000000 + + vref-supply: + description: Voltage reference to establish input scaling. + + adi,use-fadc: + $ref: /schemas/types.yaml#/definitions/flag + type: boolean + description: If set, the filtered ADC data (FADC register) will be read, + otherwise the unfiltered ADC data (ADC register) will be read. + + adi,inrush-mode: + $ref: /schemas/types.yaml#/definitions/flag + type: boolean + description: If set, the device will use FAST inrush mode, + otherwise the device will use ADC controlled inrush mode. + + adi,filter: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1, 2, 3 ] + description: | + 0: Filtering off + 1: Average 2 readings + 2: Average 4 readings + 3: Average 8 readings + + adi,current-source: + $ref: /schemas/types.yaml#/definitions/flag + type: boolean + description: If set, the 70uA current source will be connected to the REFIN pin, + otherwise the current source will be turned off. + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + adc@0 { + compatible = "adi,max14001"; + reg = <0>; + spi-max-frequency = <5000000>; + vref-supply = <&vref_reg>; + adi,use-fadc; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 0e64787aa..766847ad2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12573,6 +12573,13 @@ S: Maintained F: Documentation/devicetree/bindings/sound/max9860.txt F: sound/soc/codecs/max9860.* +MAX14001 IIO ADC DRIVER +M: Kim Seer Paller +L: linux-iio@vger.kernel.org +S: Supported +W: https://ez.analog.com/linux-software-drivers +F: Documentation/devicetree/bindings/iio/dac/adi,max14001.yaml + MAXBOTIX ULTRASONIC RANGER IIO DRIVER M: Andreas Klinger L: linux-iio@vger.kernel.org