From patchwork Tue Nov 17 07:52:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 11911661 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 95487C64E69 for ; Tue, 17 Nov 2020 07:48:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D8CC24655 for ; Tue, 17 Nov 2020 07:48:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727044AbgKQHrs (ORCPT ); Tue, 17 Nov 2020 02:47:48 -0500 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:43686 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727002AbgKQHrr (ORCPT ); Tue, 17 Nov 2020 02:47:47 -0500 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AH7e4eG003049; Tue, 17 Nov 2020 02:47:46 -0500 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com with ESMTP id 34t9ybgt16-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Nov 2020 02:47:46 -0500 Received: from SCSQMBX10.ad.analog.com (SCSQMBX10.ad.analog.com [10.77.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 0AH7liOI033647 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Tue, 17 Nov 2020 02:47:45 -0500 Received: from SCSQMBX10.ad.analog.com (10.77.17.5) 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 15.1.1779.2; Mon, 16 Nov 2020 23:47:43 -0800 Received: from zeus.spd.analog.com (10.66.68.11) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Mon, 16 Nov 2020 23:47:43 -0800 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 0AH7lbGL002920; Tue, 17 Nov 2020 02:47:40 -0500 From: Alexandru Ardelean To: , , CC: , , Alexandru Ardelean Subject: [PATCH 3/3] dt-bindings: adc: ad7887: add binding doc for AD7887 Date: Tue, 17 Nov 2020 09:52:54 +0200 Message-ID: <20201117075254.4861-3-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201117075254.4861-1-alexandru.ardelean@analog.com> References: <20201117075254.4861-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-17_02:2020-11-13,2020-11-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 spamscore=0 adultscore=0 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011170055 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org This change adds a simple device-tree binding for thhe Analog Devices AD7887 ADC. Signed-off-by: Alexandru Ardelean --- .../bindings/iio/adc/adi,ad7887.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7887.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7887.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7887.yaml new file mode 100644 index 000000000000..9b30f4569b4e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7887.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad7887.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7887 low power, 12-bit ADC + +maintainers: + - Michael Hennerich + +description: | + Analog Devices AD7887 low power, 12-bit analog-to-digital converter (ADC) + that operates from a single 2.7 V to 5.25 V power supply. + +properties: + compatible: + enum: + - adi,ad7887 + + reg: + maxItems: 1 + + spi-cpha: true + + spi-cpol: true + + avcc-supply: true + + spi-max-frequency: true + + vref-supply: + description: + ADC reference voltage supply + + adi,dual-channel-mode: + description: + Configures dual-channel mode for the ADC. In dual-channel operation, + the AIN1/VREF pin assumes its AIN1 function, providing a second analog + input channel. In this case, he reference voltage for the part is provided + via the VDD pin. As a result, the input voltage range on both the AIN0 and + AIN1 inputs is 0 to VDD. + type: boolean + +additionalProperties: false + +required: + - compatible + - reg + - spi-cpha + - spi-cpol + +examples: + - | + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "adi,ad7887"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cpol; + spi-cpha; + + avcc-supply = <&adc_supply>; + vref-supply = <&adc_vref>; + }; + }; +...