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Tue, 13 Nov 2018 03:21:09 -0800 Received: from linux.ad.analog.com (10.50.1.118) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.301.0; Tue, 13 Nov 2018 06:21:09 -0500 From: Stefan Popa To: , CC: , , , , , , , , , Subject: [PATCH v5 2/4] dt-bindings: iio: adc: Add common ADCs properties to a separate file Date: Tue, 13 Nov 2018 13:21:01 +0200 Message-ID: <1542108061-3471-1-git-send-email-stefan.popa@analog.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 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)(979002)(39860400002)(396003)(376002)(346002)(136003)(2980300002)(438002)(199004)(189003)(48376002)(50226002)(305945005)(6666004)(356004)(7636002)(4326008)(486006)(54906003)(47776003)(246002)(50466002)(36756003)(44832011)(8936002)(476003)(126002)(107886003)(7416002)(106002)(2616005)(426003)(106466001)(26005)(5660300001)(110136005)(2906002)(316002)(51416003)(77096007)(7696005)(72206003)(336012)(508600001)(16586007)(186003)(8676002)(969003)(989001)(999001)(1009001)(1019001);DIR:OUT;SFP:1101;SCL:1;SRVR:SN2PR03MB2271;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;A:1;MX:1; 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Rather than continue to duplicate the properties, this patch adds a common adc binding document that can be referenced. For beginning, only two properties are documented. Signed-off-by: Stefan Popa Reviewed-by: Rob Herring --- Changes in v2, v3: - N/A. Changes in v4: - Added this commit. Changes in v5: - Nothing changed. Documentation/devicetree/bindings/iio/adc/adc.txt | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/adc.txt b/Documentation/devicetree/bindings/iio/adc/adc.txt new file mode 100644 index 0000000..5bbaa33 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adc.txt @@ -0,0 +1,23 @@ +Common ADCs properties + +Optional properties for child nodes: +- bipolar : Boolean, if set the channel is used in bipolar mode. +- diff-channels : Differential channels muxed for this ADC. The first value + specifies the positive input pin, the second value the negative + input pin. + +Example: + adc@0 { + compatible = "some,adc"; + ... + channel@0 { + bipolar; + diff-channels = <0 1>; + ... + }; + + channel@1 { + diff-channels = <2 3>; + ... + }; + };