From patchwork Thu Feb 4 11:35:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Tachici X-Patchwork-Id: 12067139 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A1C8CC433E6 for ; Thu, 4 Feb 2021 11:36:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6491164DC4 for ; Thu, 4 Feb 2021 11:36:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235887AbhBDLfq (ORCPT ); Thu, 4 Feb 2021 06:35:46 -0500 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:36800 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235751AbhBDLd6 (ORCPT ); Thu, 4 Feb 2021 06:33:58 -0500 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 114BTVe4001624; Thu, 4 Feb 2021 06:33:15 -0500 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 36d26aen7x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 04 Feb 2021 06:33:14 -0500 Received: from SCSQMBX10.ad.analog.com (SCSQMBX10.ad.analog.com [10.77.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 114BXCNx054309 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 4 Feb 2021 06:33:13 -0500 Received: from SCSQMBX11.ad.analog.com (10.77.17.10) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.721.2; Thu, 4 Feb 2021 03:33:11 -0800 Received: from zeus.spd.analog.com (10.66.68.11) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Thu, 4 Feb 2021 03:33:11 -0800 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 114BX7Yp009001; Thu, 4 Feb 2021 06:33:10 -0500 From: To: , , CC: , Subject: [PATCH v2 2/2] dt-bindings: iio: adc: ad7124: add config nodes Date: Thu, 4 Feb 2021 13:35:51 +0200 Message-ID: <20210204113551.68744-3-alexandru.tachici@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210204113551.68744-1-alexandru.tachici@analog.com> References: <20210204113551.68744-1-alexandru.tachici@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.737 definitions=2021-02-04_06:2021-02-04,2021-02-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 adultscore=0 mlxscore=0 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102040072 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Alexandru Tachici Document use of configurations in device-tree bindings. Signed-off-by: Alexandru Tachici --- .../bindings/iio/adc/adi,ad7124.yaml | 72 +++++++++++++++---- 1 file changed, 57 insertions(+), 15 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml index fb3d0dae9bae..330064461d0a 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml @@ -62,20 +62,19 @@ required: - interrupts patternProperties: - "^channel@([0-9]|1[0-5])$": - $ref: "adc.yaml" + "^config@(2[0-7])$": type: object description: | - Represents the external channels which are connected to the ADC. + Represents a channel configuration. + See Documentation/devicetree/bindings/iio/adc/adc.txt. properties: reg: description: | - The channel number. It can have up to 8 channels on ad7124-4 - and 16 channels on ad7124-8, numbered from 0 to 15. + The config number. It can have up to 8 configuration. items: - minimum: 0 - maximum: 15 + minimum: 20 + maximum: 27 adi,reference-select: description: | @@ -88,8 +87,6 @@ patternProperties: $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1, 3] - diff-channels: true - bipolar: true adi,buffered-positive: @@ -100,6 +97,35 @@ patternProperties: description: Enable buffered mode for negative input. type: boolean + additionalProperties: false + + "^channel@([0-9]|1[0-5])$": + type: object + description: | + Represents the external channels which are connected to the ADC. + See Documentation/devicetree/bindings/iio/adc/adc.txt. + + properties: + reg: + description: | + The channel number. It can have up to 8 channels on ad7124-4 + and 16 channels on ad7124-8, numbered from 0 to 15. + items: + minimum: 0 + maximum: 15 + + diff-channels: true + + adi,configuration: + description: | + The devices has 8 configuration and ad7124-8 support up to 16 unipolar channels. + Each channel can be assigned one configuration. Some channels will be sharing the + same configuration. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 20 + maximum: 27 + required: - reg - diff-channels @@ -127,30 +153,46 @@ examples: #address-cells = <1>; #size-cells = <0>; - channel@0 { - reg = <0>; - diff-channels = <0 1>; + config@20 { + reg = <20>; adi,reference-select = <0>; adi,buffered-positive; }; - channel@1 { - reg = <1>; + config@21 { + reg = <21>; bipolar; - diff-channels = <2 3>; adi,reference-select = <0>; adi,buffered-positive; adi,buffered-negative; }; + config@22 { + reg = <22>; + }; + + channel@0 { + reg = <0>; + diff-channels = <0 1>; + adi,configuration = <20>; + }; + + channel@1 { + reg = <1>; + diff-channels = <2 3>; + adi,configuration = <21>; + }; + channel@2 { reg = <2>; diff-channels = <4 5>; + adi,configuration = <22>; }; channel@3 { reg = <3>; diff-channels = <6 7>; + adi,configuration = <22>; }; }; };