From patchwork Tue Jan 9 15:19:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crt Mori X-Patchwork-Id: 10152523 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 4E549601A1 for ; Tue, 9 Jan 2018 15:19:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2777A204BA for ; Tue, 9 Jan 2018 15:19:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1C4D0284E7; Tue, 9 Jan 2018 15:19:20 +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 975CD28477 for ; Tue, 9 Jan 2018 15:19:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758760AbeAIPTS (ORCPT ); Tue, 9 Jan 2018 10:19:18 -0500 Received: from mail-wr0-f195.google.com ([209.85.128.195]:41490 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758653AbeAIPTQ (ORCPT ); Tue, 9 Jan 2018 10:19:16 -0500 Received: by mail-wr0-f195.google.com with SMTP id o7so11699336wro.8 for ; Tue, 09 Jan 2018 07:19:16 -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=BLE4trRZIlRhA3VXNsyv9NY1u3JHQUK81X0iEENjScOofWzJT8jLxgWJcOA8Qh+rGP /us2xZT5jt3zk+HZD/a/gI9h3bdBUwNCwSeMxGtKm0aNZRNK93j3tp9N4MOVpfB1HMTa ityw+TJFBfydeg5yFZUYH61klmnjNp8g61+fggoCwqst9ohQH3wj966jnujpGtjDX5cA y+Z0t8zr/u2hPfqQ92IpZueT+NF5vvxaXcR94pGicDi5rPSy63jgoHSSCL+F4UrAuAbd RpEdhYLdKuHSWcv8PCpTHDTmN6L1MX/MTeRJtdeb/wbsnjQO6F/eGk6rQrTXaKE89nex 7ITA== 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=LDU0QXf7d7oCTqHtwyr7UvEnUj8/B/SqpJ7WnkK2amVkLo9Qv42p1q5MzroxAoF2rv TdXavCOBest8diLHKTMPj/KwGUiovG8Pk69KJLIjh1R2b7RmTiO2r8JV+Y/D3yJjTo58 KS0AiQzkKKV7xMBvdr/Nuow7gbHgFrlIkczm4jr4jnxEeQ63Z0QD03tcAcvB+O8jX5Er Z+hh247Gvubc/IzmoS3dRqNNsNwoEKK6LBt09VfIqKvVjw0Vv6oM4mnjz24PE6f9tYsc IjkEGS+/vlCOPZkewpiw7jSf3/b3y0oixmQ++13sH6GQ198v4+zBvpJlAoSe/dvg31nf z5pg== X-Gm-Message-State: AKwxytfJm4gLBTip0cOCt1R/JqcyCX+hG0Oh5NFY2fm2bM10SD6rnai8 ccpQ95xIRH2m+/S0wUoZTQD3Iw== X-Google-Smtp-Source: ACJfBou/teTSiPXISe4lER/5qbyQjcQIlrwi9xftO8v/VACiOzKxBzKgWQyqzWrUj/PZJhO2YudxqQ== X-Received: by 10.223.153.151 with SMTP id y23mr739676wrb.45.1515511155526; Tue, 09 Jan 2018 07:19:15 -0800 (PST) Received: from pc3729.tess.elex.be ([194.150.35.21]) by smtp.gmail.com with ESMTPSA id 67sm17900581wmq.38.2018.01.09.07.19.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Jan 2018 07:19:14 -0800 (PST) From: Crt Mori To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Crt Mori Subject: [PATCH v12 2/3] dt-bindings: iio: temperature: add MLX90632 device bindings Date: Tue, 9 Jan 2018 16:19:08 +0100 Message-Id: <20180109151908.30328-1-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>; +};