From patchwork Thu Dec 22 20:36:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugo Villeneuve X-Patchwork-Id: 636804 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6D01C3DA7A for ; Thu, 22 Dec 2022 20:37:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235394AbiLVUhG (ORCPT ); Thu, 22 Dec 2022 15:37:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229704AbiLVUhC (ORCPT ); Thu, 22 Dec 2022 15:37:02 -0500 Received: from mail.hugovil.com (mail.hugovil.com [162.243.120.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C65621894; Thu, 22 Dec 2022 12:37:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hugovil.com ; s=x; h=Subject:Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=ej6LVKbQpk0o5LdJOZQe5gi65ihCvncWUljJQhBVUHc=; b=bqiqldOE74teJr5S0e9HAb6m0q 7lRBBHvwsgJbkXm2ingFWa8ga4xyj2BBQMLWcmgZI/VggoGiuYSi2SLNoNbJufRsYjdkODyXFHkae o23rNqG6yGjImSXo3C6wIX/FYPcMW/CotJM+5s6BvYjYalEb1oVfcfujb0q192rekKnw=; Received: from modemcable168.174-80-70.mc.videotron.ca ([70.80.174.168]:48920 helo=pettiford.lan) by mail.hugovil.com with esmtpa (Exim 4.92) (envelope-from ) id 1p8SJC-000070-Cz; Thu, 22 Dec 2022 15:36:54 -0500 From: Hugo Villeneuve To: hvilleneuve@dimonoff.com, jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, hugo@hugovil.com Date: Thu, 22 Dec 2022 15:36:10 -0500 Message-Id: <20221222203610.2571287-4-hugo@hugovil.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221222203610.2571287-1-hugo@hugovil.com> References: <20221222203610.2571287-1-hugo@hugovil.com> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 70.80.174.168 X-SA-Exim-Mail-From: hugo@hugovil.com Subject: [PATCH v1 3/3] dt-bindings: iio: adc: add ADS7924 X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.hugovil.com) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Hugo Villeneuve Add device tree bindings document for the Texas Instruments ADS7924 ADC. Signed-off-by: Hugo Villeneuve --- .../bindings/iio/adc/ti,ads7924.yaml | 103 ++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml new file mode 100644 index 000000000000..5408ec95e417 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,ads7924.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI ADS7924 4 channels 12 bits I2C analog to digital converter + +maintainers: + - Hugo Villeneuve + +description: | + Texas Instruments ADS7924 4 channels 12 bits I2C analog to digital converter + + Specifications: + https://www.ti.com/lit/gpn/ads7924 + +properties: + compatible: + const: ti,ads7924 + + vref-supply: + description: + The regulator supply for the ADC reference voltage (AVDD) + + reg: + maxItems: 1 + + reset-gpios: + description: + GPIO used for controlling the reset pin + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - vref-supply + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +patternProperties: + "^channel@[0-3]+$": + type: object + description: + Child nodes needed for each channel that the platform uses. + + properties: + reg: + description: | + 0: Voltage over AIN0 and GND. + 1: Voltage over AIN1 and GND. + 2: Voltage over AIN2 and GND. + 3: Voltage over AIN3 and GND. + items: + - minimum: 0 + maximum: 3 + + required: + - reg + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@48 { + compatible = "ti,ads7924"; + reg = <0x48>; + vref-supply = <&ads7924_reg>; + reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>; + #address-cells = <1>; + #size-cells = <0>; + channel@0 { + reg = <0>; + label = "CH0"; + }; + channel@1 { + reg = <1>; + label = "CH1"; + }; + channel@2 { + reg = <2>; + label = "CH2"; + }; + channel@3 { + reg = <3>; + label = "CH3"; + }; + }; + }; +...