From patchwork Wed Dec 13 14:00:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crt Mori X-Patchwork-Id: 10109989 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3A7DD60352 for ; Wed, 13 Dec 2017 14:01:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3164C28731 for ; Wed, 13 Dec 2017 14:01:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 26515288BF; Wed, 13 Dec 2017 14:01:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCDE328731 for ; Wed, 13 Dec 2017 14:01:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753136AbdLMOBQ (ORCPT ); Wed, 13 Dec 2017 09:01:16 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:34955 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753285AbdLMOBO (ORCPT ); Wed, 13 Dec 2017 09:01:14 -0500 Received: by mail-wm0-f65.google.com with SMTP id f9so5370656wmh.0 for ; Wed, 13 Dec 2017 06:01:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=melexis.com; s=google; h=from:to:cc:subject:date:message-id; bh=wnuYuUQGMWrzUNKXNUBORVu0sQ9uVYnpYkAIQzEZg2Y=; b=eUPMC5+WzMLxweOaoTUgJyctJA+iZZzFDyXoqFlPphixEIlP9YerhEDSbU8RTr2OXN V1Qv9I6L8AJpc5o03XuaNgVF3ZFXaF9kHrO58p4T2FAI5isMAfr3zUguriDSL1BfU7kb ap9J0uudxbEz/0Z97M2Ao0mGD70cfiQPRI15rXaX34Exj/ug3O2cTw9Lh9Eq6NekaqYH 8fONCQf4z1cFI/OjMBb7NaS308vkOIIKXqSVMF7PgvdyOa/dS4o1w7cjWLO+SmszscuZ E8zPArMqu5hZnm5OCJaWkSUqgpdEtaE9jd31qg2qPCitymlxsnMDkLQ002d0XLLJDsS3 GRrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=wnuYuUQGMWrzUNKXNUBORVu0sQ9uVYnpYkAIQzEZg2Y=; b=nvZDIUM1RlfJH3G3jULsO2VsyCjMeFNVaBU/jMks8Z4Xb0tGZJnvhcW+XHQST9GPER BrmwSGN/gz3uL/QtQpXYh9mKtPP1E0oCxu/eL6jwqc4QjaylW65jveikiZYHLzwH59EP IjJZ/y61+333KTLQsjFYaeJfKhOhNTJEsw2GIzIKwKSxUXSlq20tNwzWoirC00+UHtky G2QjJHZ9KE5+TfXi5X2jRWWFCdjB+6y+xQJ4F3EjyelQTgcYIOjKucwXOWB9X8awgtjx wpvZSkyllh5Mk7GJELxQs39tQ2hLu3NxlFKxIzWsAcO40iTXcvhU156U/cIVLiOYDPI6 HZQA== X-Gm-Message-State: AKGB3mJDEZW4BGMaB95mFiUPAas2BAhTCddqpdPp+u74JaOQFA52u1LX CoutzVH379PxvdO1EN0JW5nz1Q== X-Google-Smtp-Source: ACJfBotEBpM7BgEROGEFPDdNDhJp5nne2W1u64r8FsmJcYc1T/LkWRak2KL43joMgPZ8NW7xN6AYLA== X-Received: by 10.80.134.51 with SMTP id o48mr7881545edo.276.1513173673349; Wed, 13 Dec 2017 06:01:13 -0800 (PST) Received: from pc3729.tess.elex.be ([194.150.35.21]) by smtp.gmail.com with ESMTPSA id g45sm1474539eda.88.2017.12.13.06.01.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Dec 2017 06:01:11 -0800 (PST) From: Crt Mori To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Crt Mori Subject: [PATCH v5 2/3] dt-bindings: iio: temperature: add MLX90632 device bindings Date: Wed, 13 Dec 2017 15:00:57 +0100 Message-Id: <20171213140057.18550-1-cmo@melexis.com> X-Mailer: git-send-email 2.15.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add device tree bindings for MLX90632 IR temperature sensor. Signed-off-by: Crt Mori Reviewed-by: Rob Herring --- .../bindings/iio/temperature/mlx90632.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/temperature/mlx90632.txt diff --git a/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt new file mode 100644 index 000000000000..0b05812001f8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt @@ -0,0 +1,28 @@ +* Melexis MLX90632 contactless Infra Red temperature sensor + +Link to datasheet: https://www.melexis.com/en/documents/documentation/datasheets/datasheet-mlx90632 + +There are various applications for the Infra Red contactless temperature sensor +and MLX90632 is most suitable for consumer applications where measured object +temperature is in range between -20 to 200 degrees Celsius with relative error +of measurement below 1 degree Celsius in object temperature range for +industrial applications. Since it can operate and measure ambient temperature +in range of -20 to 85 degrees Celsius it is suitable also for outdoor use. + +Be aware that electronics surrounding the sensor can increase ambient +temperature. MLX90632 can be calibrated to reduce the housing effect via +already existing EEPROM parameters. + +Since measured object emissivity effects Infra Red energy emitted, emissivity +should be set before requesting the object temperature. + +Required properties: + - compatible: should be "melexis,mlx90632" + - reg: the I2C address of the sensor (default 0x3a) + +Example: + +mlx90632@3a { + compatible = "melexis,mlx90632"; + reg = <0x3a>; +};