From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-by2nam03on0043.outbound.protection.outlook.com ([104.47.42.43]:35616 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727802AbeKJBWl (ORCPT ); Fri, 9 Nov 2018 20:22:41 -0500 From: Stefan Popa To: , CC: , , , , , , , , , Subject: [PATCH v4 2/4] dt-bindings: iio: adc: Add common ADCs properties to a separate file Date: Fri, 9 Nov 2018 17:40:55 +0200 Message-ID: <1541778055-7629-1-git-send-email-stefan.popa@analog.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org There are several ADC drivers that depend on the same device tree bindings. 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 --- Changes in v2, v3: - N/A. Changes in v4: - Added this commit. Documentation/devicetree/bindings/iio/adc/adc.txt | 25 +++++++++++++++++++++++ 1 file changed, 25 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..1e3cc21 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adc.txt @@ -0,0 +1,25 @@ +Common ADCs properties + +This binding is a work-in-progress + +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>; + ... + }; + }; -- 2.7.4