From patchwork Thu Sep 8 14:49:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tilki, Ibrahim" X-Patchwork-Id: 12970225 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 092B8C38145 for ; Thu, 8 Sep 2022 14:50:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230105AbiIHOuY (ORCPT ); Thu, 8 Sep 2022 10:50:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229966AbiIHOuX (ORCPT ); Thu, 8 Sep 2022 10:50:23 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C0C75F23F for ; Thu, 8 Sep 2022 07:50:22 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 288EKAaO030796; Thu, 8 Sep 2022 10:50:13 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3jf8ybuw9n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 Sep 2022 10:50:13 -0400 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 288EoCog049909 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 8 Sep 2022 10:50:12 -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; Thu, 8 Sep 2022 10:50:11 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) 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; Thu, 8 Sep 2022 10:50:09 -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; Thu, 8 Sep 2022 10:50:09 -0400 Received: from ibrahim-vm.ad.analog.com (IST-LT-39247.ad.analog.com [10.25.16.132]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 288EnsW3023822; Thu, 8 Sep 2022 10:50:05 -0400 From: Ibrahim Tilki To: CC: Ibrahim Tilki , , , Subject: [PATCH v4 2/3] dt-bindings: iio: adc: add adi,max11410.yaml Date: Thu, 8 Sep 2022 17:49:23 +0300 Message-ID: <20220908144924.205547-3-Ibrahim.Tilki@analog.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220908144924.205547-1-Ibrahim.Tilki@analog.com> References: <20220908144924.205547-1-Ibrahim.Tilki@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: Op1CKJZ8Kfd0jUliljo0lHPebrczYV_7 X-Proofpoint-ORIG-GUID: Op1CKJZ8Kfd0jUliljo0lHPebrczYV_7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-08_10,2022-09-08_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 mlxlogscore=999 lowpriorityscore=0 mlxscore=0 bulkscore=0 spamscore=0 suspectscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209080054 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Adding devicetree binding documentation for max11410 adc. Signed-off-by: Ibrahim Tilki --- .../bindings/iio/adc/adi,max11410.yaml | 174 ++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml b/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml new file mode 100644 index 000000000..3ffab284b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml @@ -0,0 +1,174 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2022 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,max11410.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices MAX11410 ADC device driver + +maintainers: + - Ibrahim Tilki + +description: | + Bindings for the Analog Devices MAX11410 ADC device. Datasheet can be + found here: + https://datasheets.maximintegrated.com/en/ds/MAX11410.pdf + +properties: + compatible: + enum: + - adi,max11410 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-names: + description: Name of the gpio pin of max11410 used for IRQ + maxItems: 1 + items: + enum: + - gpio0 + - gpio1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + avdd-supply: + description: Necessarry avdd supply. Used as reference when no explicit reference supplied. + + vref0p-supply: + description: vref0p supply can be used as reference for conversion. + + vref1p-supply: + description: vref1p supply can be used as reference for conversion. + + vref2p-supply: + description: vref2p supply can be used as reference for conversion. + + vref0n-supply: + description: vref0n supply can be used as reference for conversion. + + vref1n-supply: + description: vref1n supply can be used as reference for conversion. + + vref2n-supply: + description: vref2n supply can be used as reference for conversion. + + spi-max-frequency: + maximum: 8000000 + +required: + - compatible + - reg + - avdd-supply + +patternProperties: + "^channel(@[0-9a-f]+)?$": + $ref: "adc.yaml" + type: object + description: Represents the external channels which are connected to the ADC. + + properties: + reg: + description: The channel number in single-ended mode. + minimum: 0 + maximum: 9 + + adi,reference: + description: | + Select the reference source to use when converting on + the specific channel. Valid values are: + 0: VREF0P/VREF0N + 1: VREF1P/VREF1N + 2: VREF2P/VREF2N + 3: AVDD/AGND + 4: VREF0P/AGND + 5: VREF1P/AGND + 6: VREF2P/AGND + If this field is left empty, AVDD/AGND is selected. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6] + default: 3 + + adi,input-mode: + description: | + Select signal path of input channels. Valid values are: + 0: Buffered, low-power, unity-gain path (default) + 1: Bypass path + 2: PGA path + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + default: 0 + + diff-channels: true + + bipolar: true + + settling-time-us: true + + adi,buffered-vrefp: + description: Enable buffered mode for positive reference. + type: boolean + + adi,buffered-vrefn: + description: Enable buffered mode for negative reference. + type: boolean + + required: + - reg + + additionalProperties: false + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + reg = <0>; + compatible = "adi,max11410"; + spi-max-frequency = <8000000>; + + interrupt-parent = <&gpio>; + interrupts = <25 2>; + interrupt-names = "gpio1"; + + avdd-supply = <&adc_avdd>; + + vref1p-supply = <&adc_vref1p>; + vref1n-supply = <&adc_vref1n>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + }; + + channel@1 { + reg = <1>; + diff-channels = <2 3>; + adi,reference = <1>; + bipolar; + settling-time-us = <100000>; + }; + + channel@2 { + reg = <2>; + diff-channels = <7 9>; + adi,reference = <5>; + adi,input-mode = <2>; + settling-time-us = <50000>; + }; + }; + };