From patchwork Wed Jan 17 03:38:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Phil Reid X-Patchwork-Id: 862021 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zLt9C5v5Bz9s7f for ; Wed, 17 Jan 2018 14:38:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752020AbeAQDig (ORCPT ); Tue, 16 Jan 2018 22:38:36 -0500 Received: from anchovy1.45ru.net.au ([203.30.46.145]:42459 "EHLO anchovy.45ru.net.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751253AbeAQDig (ORCPT ); Tue, 16 Jan 2018 22:38:36 -0500 Received: (qmail 1946 invoked by uid 5089); 17 Jan 2018 03:38:34 -0000 Received: by simscan 1.2.0 ppid: 1883, pid: 1885, t: 0.0386s scanners: regex: 1.2.0 attach: 1.2.0 clamav: 0.88.3/m:40/d:1950 X-RBL: $rbltext Received: from unknown (HELO preid-centos7.electromag.com.au) (preid@electromag.com.au@203.59.230.133) by anchovy1.45ru.net.au with ESMTPA; 17 Jan 2018 03:38:33 -0000 Received: by preid-centos7.electromag.com.au (Postfix, from userid 1000) id D0AA032015221; Wed, 17 Jan 2018 11:38:29 +0800 (AWST) From: Phil Reid To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, Michael.Hennerich@analog.com, preid@electromag.com.au, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, alexandru.ardelean@analog.com Subject: [PATCH v3 1/2] dt-bindings: ad5272: Add bindings for Analog Devices digital potentiometers Date: Wed, 17 Jan 2018 11:38:27 +0800 Message-Id: <1516160308-16937-2-git-send-email-preid@electromag.com.au> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1516160308-16937-1-git-send-email-preid@electromag.com.au> References: <1516160308-16937-1-git-send-email-preid@electromag.com.au> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add binding documentation for Analog Devices AD5272 and AD5274 digital potentiometer devices. Signed-off-by: Phil Reid --- .../bindings/iio/potentiometer/ad5272.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt diff --git a/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt new file mode 100644 index 0000000..11e804c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt @@ -0,0 +1,27 @@ +* Analog Devices AD5272 digital potentiometer driver + +The node for this driver must be a child node of a I2C controller, hence +all mandatory properties for your controller must be specified. See directory: + + Documentation/devicetree/bindings/i2c + +for more details. + +Required properties: + - compatible: Must be one of the following, depending on the model: + adi,ad5272-020 + adi,ad5272-050 + adi,ad5272-100 + adi,ad5274-020 + adi,ad5274-100 + +Optional properties: + - reset-gpios: GPIO specification for the RESET input. This is an + active low signal to the PCA953x. + +Example: +ad5272: ad5272@2f { + reg = <0x2F>; + compatible = "adi,ad5272-020"; + reset-gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; +};