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Mon, 24 Jun 2019 01:09:28 -0700 Received: from mircea-Latitude-E6540.ad.analog.com (10.48.65.115) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Mon, 24 Jun 2019 04:09:27 -0400 From: Mircea Caprioru To: CC: , , , , , , , , Mircea Caprioru Subject: [PATCH V3 4/5] dt-bindings: iio: adc: Convert ad7124 documentation to YAML Date: Mon, 24 Jun 2019 11:08:44 +0300 Message-ID: <20190624080845.18537-4-mircea.caprioru@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190624080845.18537-1-mircea.caprioru@analog.com> References: <20190624080845.18537-1-mircea.caprioru@analog.com> MIME-Version: 1.0 Content-Type: text/plain; charset="y" Content-Transfer-Encoding: 8bit X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.55;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(376002)(39860400002)(346002)(136003)(396003)(2980300002)(54534003)(199004)(189003)(106002)(4326008)(2870700001)(36756003)(50466002)(316002)(6306002)(50226002)(8936002)(966005)(478600001)(1076003)(76176011)(5660300002)(54906003)(47776003)(7696005)(6916009)(7636002)(305945005)(2351001)(26005)(72206003)(86362001)(186003)(44832011)(70586007)(70206006)(246002)(2906002)(486006)(126002)(8676002)(446003)(426003)(77096007)(336012)(476003)(11346002)(53376002)(6666004)(356004)(107886003)(2616005);DIR:OUT;SFP:1101;SCL:1;SRVR:BY2PR03MB556;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;A:1;MX:1; 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Signed-off-by: Mircea Caprioru --- Changelog v2: - modified SPDX license to GPL-2.0 OR BSD-2-Clause - added regex for a range from 0 to 15 - added minimum and maximum constraints for reg property - set type and range of values for adi,reference-select property - used items for diff-channels property - set bipolar, adi,buffered-positive and negative to type: boolean Changelog v3: - moved adi,buffered-positive and negative properties to own commit .../bindings/iio/adc/adi,ad7124.yaml | 144 ++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml new file mode 100644 index 000000000000..1b3d84d08609 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml @@ -0,0 +1,144 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/iio/adc/adi,ad7124.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7124 ADC device driver + +maintainers: + - Stefan Popa + +description: | + Bindings for the Analog Devices AD7124 ADC device. Datasheet can be + found here: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf + +properties: + compatible: + enum: + - adi,ad7124-4 + - adi,ad7124-8 + + reg: + description: SPI chip select number for the device + maxItems: 1 + + clocks: + maxItems: 1 + description: phandle to the master clock (mclk) + + clock-names: + items: + - const: mclk + + interrupts: + description: IRQ line for the ADC + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + refin1-supply: + description: refin1 supply can be used as reference for conversion. + maxItems: 1 + + refin2-supply: + description: refin2 supply can be used as reference for conversion. + maxItems: 1 + + avdd-supply: + description: avdd supply can be used as reference for conversion. + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +patternProperties: + "^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 + + adi,reference-select: + description: | + Select the reference source to use when converting on + the specific channel. Valid values are: + 0: REFIN1(+)/REFIN1(−). + 1: REFIN2(+)/REFIN2(−). + 3: AVDD + If this field is left empty, internal reference is selected. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1, 3] + + diff-channels: + description: see Documentation/devicetree/bindings/iio/adc/adc.txt + items: + minimum: 0 + maximum: 15 + + bipolar: + description: see Documentation/devicetree/bindings/iio/adc/adc.txt + type: boolean + + required: + - reg + - diff-channels + +examples: + - | + adc@0 { + compatible = "adi,ad7124-4"; + reg = <0>; + spi-max-frequency = <5000000>; + interrupts = <25 2>; + interrupt-parent = <&gpio>; + refin1-supply = <&adc_vref>; + clocks = <&ad7124_mclk>; + clock-names = "mclk"; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + diff-channels = <0 1>; + adi,reference-select = <0>; + }; + + channel@1 { + reg = <1>; + bipolar; + diff-channels = <2 3>; + adi,reference-select = <0>; + }; + + channel@2 { + reg = <2>; + diff-channels = <4 5>; + }; + + channel@3 { + reg = <3>; + diff-channels = <6 7>; + }; + }; -- 2.17.1