From patchwork Tue Dec 19 16:06:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crt Mori X-Patchwork-Id: 10123679 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 6DA01603B5 for ; Tue, 19 Dec 2017 16:06:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5A70328CFB for ; Tue, 19 Dec 2017 16:06:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4F0C528ECC; Tue, 19 Dec 2017 16:06:21 +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 CC1AC28CFB for ; Tue, 19 Dec 2017 16:06:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753122AbdLSQGT (ORCPT ); Tue, 19 Dec 2017 11:06:19 -0500 Received: from mail-wr0-f194.google.com ([209.85.128.194]:44232 "EHLO mail-wr0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752306AbdLSQGQ (ORCPT ); Tue, 19 Dec 2017 11:06:16 -0500 Received: by mail-wr0-f194.google.com with SMTP id l41so7568384wre.11 for ; Tue, 19 Dec 2017 08:06:15 -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=N5r53je6OyM569cvDMxAssG9Njo/2sZ6m64Nkv/ucQHCGClWe8BxHQKhVm8VEvmohR nv6JRIKgvTEWvRqJ6L+9wmMC6AfPPyZDKguX8bmPq2zH/tqqqnt+aDLUUxSLqRkZJ+mK wWsiokAOqDkGK9+UDCBwL8fLuMTl48v/g3xW3X86fkmXtqMsm/cR9FtyDV5HOpv/h2BE LSBWAIDV8iRuz7X9w+qvccoLw0m72efw2UCVOUvKafhXyaslf53iybWXf/j++NdDsOhH xagDRuTrdnShBb3PpvVVrGh/AHiyuvJl0CGE56KpQ2y7OVZ7TpXZN5oHf50lkO5ACS7g gskQ== 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=DBKw7HTy79Q1Cqs5U+pKO1Tfn87yQO2IaxsqCVHblYByZMREaO9cDuRLHmasE0EiX7 lEAd9AY3614SX6Z6CD3owqt37poDr5QFB/p0ByuFL0+uu5pOO+rnFpME7HG7vdeMv9HD ohc4LIs6TL8D98IIopCCpfbte4mmLkv/cBRLwB9T85XSlDweCnEMTZH4RM0Qz7D0aFXB D6myvb0DiNN/hmqRmK39PlmvZ/kMlQm/08MqvWzvV5JP3byUP3J/XdehDoZnOREGH4gQ cHvnZtynK2fc6Udt50GoP+K1SRyEqUSn+UiAX+MHzq0NG+Covel6KOkcKaYng6yA68jW w/Hg== X-Gm-Message-State: AKGB3mIUCpySY93ru0uTOYh7kadygK7JQc9VMkT0FyDTMonesWbUlsYv I8wSXau2aI6J/F3xPWxJ8Vj9aA== X-Google-Smtp-Source: ACJfBoshK0Of8q+05p3NwlbFewu2fQCiwe78cCvGoXU74J4N0fWZGF6BPCDZINviU86NqDHbwqpbbg== X-Received: by 10.223.159.15 with SMTP id l15mr5998213wrf.155.1513699575046; Tue, 19 Dec 2017 08:06:15 -0800 (PST) Received: from pc3729.tess.elex.be ([194.150.35.21]) by smtp.gmail.com with ESMTPSA id p132sm13023214wmb.0.2017.12.19.08.06.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Dec 2017 08:06:14 -0800 (PST) From: Crt Mori To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Crt Mori Subject: [PATCH v8 2/3] dt-bindings: iio: temperature: add MLX90632 device bindings Date: Tue, 19 Dec 2017 17:06:08 +0100 Message-Id: <20171219160608.30795-1-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>; +};