From patchwork Tue Nov 21 21:36:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcelo Schmitt X-Patchwork-Id: 13463618 Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 320BF1AC; Tue, 21 Nov 2023 13:36:32 -0800 (PST) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 3ALIY4aj027136; Tue, 21 Nov 2023 16:36:19 -0500 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3uer08e1ns-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 16:36:19 -0500 (EST) Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 3ALLaHQG057106 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 21 Nov 2023 16:36:17 -0500 Received: from ASHBCASHYB5.ad.analog.com (10.64.17.133) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Tue, 21 Nov 2023 16:36:17 -0500 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB5.ad.analog.com (10.64.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Tue, 21 Nov 2023 16:36:16 -0500 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; Tue, 21 Nov 2023 16:36:16 -0500 Received: from work.ad.analog.com (HYB-hERzalRezfV.ad.analog.com [10.65.205.129]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 3ALLa45o020012; Tue, 21 Nov 2023 16:36:07 -0500 From: To: , , , , , CC: Marcelo Schmitt , , Subject: [PATCH 5/7] dt-bindings: iio: Add binding documentation for AD7091R-8 Date: Tue, 21 Nov 2023 18:36:04 -0300 Message-ID: <566503a54feba35178c778a7929bced66ebd8870.1700595310.git.marcelo.schmitt1@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: vz-JdBsH_myxB9kCTeCk2GGfC32oeuPb X-Proofpoint-GUID: vz-JdBsH_myxB9kCTeCk2GGfC32oeuPb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-21_11,2023-11-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 adultscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 bulkscore=0 suspectscore=0 phishscore=0 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311060001 definitions=main-2311210169 From: Marcelo Schmitt Add device tree binding documentation for AD7091R-8. Signed-off-by: Marcelo Schmitt --- .../bindings/iio/adc/adi,ad7091r8.yaml | 101 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml new file mode 100644 index 000000000000..f10b6727737f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad7091r8.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7091R8 8-Channel 12-Bit ADC + +maintainers: + - Marcelo Schmitt + +description: | + Analog Devices AD7091R-8 8-Channel 12-Bit ADC + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7091R-2_7091R-4_7091R-8.pdf + +properties: + compatible: + enum: + - adi,ad7091r2 + - adi,ad7091r4 + - adi,ad7091r8 + + reg: + maxItems: 1 + + vref-supply: true + + spi-max-frequency: true + + adi,conversion-start-gpios: + description: + Device tree identifier of the CONVST pin. + This logic input is used to initiate conversions on the analog + input channels. + maxItems: 1 + + reset-gpios: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - adi,conversion-start-gpios + +patternProperties: + "^channel@[0-7]$": + $ref: "adc.yaml" + type: object + description: Represents the external channels which are connected to the ADC. + + properties: + reg: + minimum: 0 + maximum: 7 + + required: + - reg + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + + # AD7091R-2 does not have ALERT/BUSY/GPO pin + - if: + properties: + compatible: + contains: + enum: + - adi,ad7091r4 + - adi,ad7091r8 + then: + properties: + interrupts: true + else: + properties: + interrupts: false + +unevaluatedProperties: false + +examples: + - | + #include + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "adi,ad7091r8"; + reg = <0x0>; + spi-max-frequency = <45454545>; + vref-supply = <&adc_vref>; + adi,conversion-start-gpios = <&gpio 25 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; + interrupts = <22 IRQ_TYPE_EDGE_FALLING>; + interrupt-parent = <&gpio>; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 008f0e73bead..6e7c6c866396 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1132,6 +1132,7 @@ L: linux-iio@vger.kernel.org S: Supported W: http://ez.analog.com/community/linux-device-drivers F: Documentation/devicetree/bindings/iio/adc/adi,ad7091r5.yaml +F: Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml F: drivers/iio/adc/drivers/iio/adc/ad7091r-base.c F: drivers/iio/adc/drivers/iio/adc/ad7091r-base.h F: drivers/iio/adc/drivers/iio/adc/ad7091r5.c