From patchwork Wed Feb 14 06:37:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Looijmans X-Patchwork-Id: 13556010 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2110.outbound.protection.outlook.com [40.107.20.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8C0518E0C; Wed, 14 Feb 2024 06:37:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.20.110 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707892676; cv=fail; b=T8haz4Cj5QIPT+8hP6UABxd2B+Z7ExZ9W4QID8VMGBwWSZnqjFNGhhpLYifYh4Dajyys7klZMbMkuliIk8TpPFZDZcpiQ5WFwx2hFlTjb60RxNQwYkyh2RSsceg+7UcD47/+HVDl7geppjGB6ZpuPt3ZS3/p0cPr2VKPUFJ3Kr4= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707892676; c=relaxed/simple; bh=XW7RUxS2fFBK12nq9gpHr3ocUsd2z7/lo/yKrDOa3sg=; h=From:To:CC:Subject:Date:Message-ID:Content-Type:MIME-Version: References; b=DtBko21KDuT5sjDNLfTOkpJADQA1Xxo6+2P9D1435iRf0oFqPzVWOwh7O8QHa4oqCKpemNgy2fOE9BnEFIuOcJiqJves5NkGdfGbUSy97NqZgpiPiFc39x+rPAuyOJq8irDsTByMZN/rxHlATgq9/+LiqZvTnYnhkwU/OTfbJYU= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=topic.nl; spf=pass smtp.mailfrom=topic.nl; dkim=pass (2048-bit key) header.d=topic.nl header.i=@topic.nl header.b=x+0oDbPn; arc=fail smtp.client-ip=40.107.20.110 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=topic.nl Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=topic.nl Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=topic.nl header.i=@topic.nl header.b="x+0oDbPn" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=P+7RoFKPlgrZkuon60imC1iOH2T4MR1vEafeOCeMgTG9fpkf9tesIOtSIo0ZuzzdZwvLNOSiXbHvknlCs1HB2Ow+D71sD0D2+5M2kjR4Xj0gSzEhBPrmN+P5vW8/b89Hc0YF54zQWQZcbgxXiNS37qaEKZeIFutSUfVS0/BsEjus/ue7GatMzBKOxIonHmqbFfemU6TLuN2f5XQzwGx2syT1n7y0KRRO7g65Y8F0BSzke7mo8AgM5cRv4EwoYzeW6Z4ilzh3JrSH+J9vEP8kGtK4CB4VIS9xVr88BRbgksSjJ+hZxKefMPnV3MdXDbRUPduRZu/Wis2vfuEMnpmAVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=9+3BwAXgOaFREP1ZBZj6WNbGzqnuCm0kgqS/W1k0CVs=; b=BIjUk4ssjRsZW7X3RojYrZvkaUzBfGVfOF2SzsQ6tGZHojjliw/uY+VyWvxJ7RdhMj+0F+ORfccaFb1LD/aLkin7SZsmTRZ5qX8EMwOjx8AX8SARLL7p+If1Quw0DJryPKQwXWaqHpNBNgmxrYf6LwSzq4+vo8z1BPieunkBBhTT+btseIp00k9QQEqJIRygGGGATII96FD8Q8FXN5iadqA8OGOhTMnLEACOSpROcifBhDhdW0lvYEZpzwBs9tGC2iXACURAbv6muVT7hUcDEPZFJRwXjGXckuN4hwMPZetBS2tYvV+fc6g28JOhBrgI5qo9EmB0K5hhkplUl77rEA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 20.93.157.195) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=topic.nl; dmarc=pass (p=none sp=none pct=100) action=none header.from=topic.nl; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=topic.nl; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=9+3BwAXgOaFREP1ZBZj6WNbGzqnuCm0kgqS/W1k0CVs=; b=x+0oDbPnSAKiiEOMzAe7xv9k71aZnl1ro9uU9I71mkrnnEr1AuuNY+UZ3/RwGA57GNEwcff1jXLWiGE8nhJPppVnsvCYKSo8IanzZ26XXMuToZz0Q93X8yEpxTRxQCMeKNZoVN67MZAcSxa19UIarm6vZAz5/MI52fsVr35147AhFzs6lxRp953rzrE1CvLV68b9phXGusJyvbXoe/rj+SwbS/8ot6DeDBzet2PtTW8PXj/CfuSYHDQJitLeAXRbWXmNamJrCvBN2oK6BzsQCbNtSq57orqfJ4V8eblm9ooOINFGxDAlCO1kbWbdDjitbKfsRnhZohp2KeIB9u4L6w== Received: from AS9PR06CA0722.eurprd06.prod.outlook.com (2603:10a6:20b:487::30) by VE1PR04MB7246.eurprd04.prod.outlook.com (2603:10a6:800:1ae::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.26; Wed, 14 Feb 2024 06:37:49 +0000 Received: from AMS0EPF000001A4.eurprd05.prod.outlook.com (2603:10a6:20b:487:cafe::8) by AS9PR06CA0722.outlook.office365.com (2603:10a6:20b:487::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.26 via Frontend Transport; Wed, 14 Feb 2024 06:37:49 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 20.93.157.195) smtp.mailfrom=topic.nl; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=topic.nl; Received-SPF: Pass (protection.outlook.com: domain of topic.nl designates 20.93.157.195 as permitted sender) receiver=protection.outlook.com; client-ip=20.93.157.195; helo=westeu11-emailsignatures-cloud.codetwo.com; pr=C Received: from westeu11-emailsignatures-cloud.codetwo.com (20.93.157.195) by AMS0EPF000001A4.mail.protection.outlook.com (10.167.16.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.25 via Frontend Transport; Wed, 14 Feb 2024 06:37:48 +0000 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (104.47.11.41) by westeu11-emailsignatures-cloud.codetwo.com with CodeTwo SMTP Server (TLS12) via SMTP; Wed, 14 Feb 2024 06:37:47 +0000 Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=topic.nl; Received: from AS8PR04MB8644.eurprd04.prod.outlook.com (2603:10a6:20b:42b::12) by AS8PR04MB8088.eurprd04.prod.outlook.com (2603:10a6:20b:3f7::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7270.39; Wed, 14 Feb 2024 06:37:45 +0000 Received: from AS8PR04MB8644.eurprd04.prod.outlook.com ([fe80::651a:dedd:945a:d1dd]) by AS8PR04MB8644.eurprd04.prod.outlook.com ([fe80::651a:dedd:945a:d1dd%6]) with mapi id 15.20.7292.027; Wed, 14 Feb 2024 06:37:44 +0000 From: Mike Looijmans To: devicetree@vger.kernel.org, linux-iio@vger.kernel.org CC: Mike Looijmans , Conor Dooley , Conor Dooley , Jonathan Cameron , Krzysztof Kozlowski , Lars-Peter Clausen , Rob Herring , linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] dt-bindings: iio: adc: ti-ads1298: Add bindings Date: Wed, 14 Feb 2024 07:37:35 +0100 Message-ID: <20240214063736.88283-1-mike.looijmans@topic.nl> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: AM0PR02CA0107.eurprd02.prod.outlook.com (2603:10a6:208:154::48) To AS8PR04MB8644.eurprd04.prod.outlook.com (2603:10a6:20b:42b::12) Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: AS8PR04MB8644:EE_|AS8PR04MB8088:EE_|AMS0EPF000001A4:EE_|VE1PR04MB7246:EE_ X-MS-Office365-Filtering-Correlation-Id: f4dbc749-9bf1-40a5-a834-08dc2d277601 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8PR04MB8644.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(39840400004)(396003)(376002)(136003)(346002)(366004)(230273577357003)(230922051799003)(64100799003)(451199024)(1800799012)(186009)(5660300002)(41300700001)(2906002)(6666004)(6512007)(52116002)(2616005)(6506007)(478600001)(966005)(6486002)(36756003)(38350700005)(26005)(83380400001)(38100700002)(86362001)(4326008)(8936002)(8676002)(44832011)(1076003)(66946007)(66556008)(66476007)(316002)(54906003);DIR:OUT;SFP:1102; X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8088 X-CodeTwo-MessageID: 2b00ee97-fdce-4b5d-bf7f-f04105b6ce1d.20240214063747@westeu11-emailsignatures-cloud.codetwo.com X-CodeTwoProcessed: true References: <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.b967e427-f7fa-4912-936e-caf944d735e9@emailsignatures365.codetwo.com> X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AMS0EPF000001A4.eurprd05.prod.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 8d817d6f-1f4a-41d8-ef5f-08dc2d2773a1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:20.93.157.195;CTRY:NL;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:westeu11-emailsignatures-cloud.codetwo.com;PTR:westeu11-emailsignatures-cloud.codetwo.com;CAT:NONE;SFS:(13230031)(4636009)(376002)(346002)(396003)(136003)(39830400003)(230273577357003)(230922051799003)(1800799012)(186009)(451199024)(64100799003)(82310400011)(46966006)(36840700001)(5660300002)(44832011)(2906002)(336012)(478600001)(966005)(6512007)(6506007)(6486002)(54906003)(2616005)(26005)(1076003)(41300700001)(70586007)(70206006)(4326008)(8936002)(8676002)(6666004)(316002)(83380400001)(86362001)(15974865002)(356005)(7596003)(7636003)(36756003);DIR:OUT;SFP:1102; X-OriginatorOrg: topic.nl X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Feb 2024 06:37:48.6093 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f4dbc749-9bf1-40a5-a834-08dc2d277601 X-MS-Exchange-CrossTenant-Id: 449607a5-3517-482d-8d16-41dd868cbda3 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=449607a5-3517-482d-8d16-41dd868cbda3;Ip=[20.93.157.195];Helo=[westeu11-emailsignatures-cloud.codetwo.com] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF000001A4.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7246 Bindings for the TI ADS1298 medical ADC. This device is typically used for ECG and similar measurements. Supports data acquisition at configurable scale and sampling frequency. The device has so many options for connecting stuff, at this point the bindings aren't nearly complete but partial bindings are better than no bindings at all. Signed-off-by: Mike Looijmans Reviewed-by: Conor Dooley --- (no changes since v2) Changes in v2: Remove "clk" name Add datasheet and "incomplete" note .../bindings/iio/adc/ti,ads1298.yaml | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml new file mode 100644 index 000000000000..bf5a43a81d59 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,ads1298.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments' ads1298 medical ADC chips + +description: | + Datasheet at: https://www.ti.com/product/ADS1298 + Bindings for this chip aren't complete. + +maintainers: + - Mike Looijmans + +properties: + compatible: + enum: + - ti,ads1298 + + reg: + maxItems: 1 + + spi-cpha: true + + reset-gpios: + maxItems: 1 + + avdd-supply: + description: + Analog power supply, voltage between AVDD and AVSS. When providing a + symmetric +/- 2.5V, the regulator should report 5V. + + vref-supply: + description: + Optional reference voltage. If omitted, internal reference is used, + which is 2.4V when analog supply is below 4.4V, 4V otherwise. + + clocks: + description: Optional 2.048 MHz external source clock on CLK pin + maxItems: 1 + + interrupts: + description: Interrupt on DRDY pin, triggers on falling edge + maxItems: 1 + + label: true + +required: + - compatible + - reg + - avdd-supply + - interrupts + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@1 { + reg = <1>; + compatible = "ti,ads1298"; + label = "ads1298-1-ecg"; + avdd-supply = <®_iso_5v_a>; + clocks = <&clk_ads1298>; + interrupt-parent = <&gpio0>; + interrupts = <78 IRQ_TYPE_EDGE_FALLING>; + spi-max-frequency = <20000000>; + spi-cpha; + }; + }; +...