From patchwork Mon Dec 4 15:31:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crt Mori X-Patchwork-Id: 10090657 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 D9CC060329 for ; Mon, 4 Dec 2017 15:32:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CA7752924A for ; Mon, 4 Dec 2017 15:32:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BF4982924C; Mon, 4 Dec 2017 15:32:05 +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 4AEB42924A for ; Mon, 4 Dec 2017 15:32:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750995AbdLDPcE (ORCPT ); Mon, 4 Dec 2017 10:32:04 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:42611 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751033AbdLDPcD (ORCPT ); Mon, 4 Dec 2017 10:32:03 -0500 Received: by mail-wm0-f67.google.com with SMTP id l141so6545975wmg.1 for ; Mon, 04 Dec 2017 07:32:03 -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=pE3yQ+WJqcYIwx+rwL6g0yyNdhk40suhvs4NbADe0eDSH81YjLYi31jcfAze63NWOx F2sDorLwTErn1VF4+HBg9TplnMUWwtfcTu1LMUTjcTHh2uvG6jXfpN9DNsTJCFt3Z68t UNakBgh8xgej869LBUEF+yOcM1wZwSRbErjk9r44a8mvll70N5w48YJxkyW3CEhdrvU+ Dtodf7jPV8Qk0O219BOOaDgCDbmnZIjRakolDmuB3vzaoJaFRntti5ii3a2yi8534OqY txz5Ci7wZTFkqVKvhYgZDaAfyayOZKaywJsf0BVQTQNnzpDyvrd18+FI/7fPq56i+XcM Y5+g== 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=G3hkInLkb7OlLnnCkhXs32cXaEGsHWEzz/jgaxexgBRLmQBPfDDoV51j1gtJuE9tf8 FbCj+SMZQPjenwqL8ykxVxSVUg9kHOOZWnVmERWRaZ59nwBAGDSNb8bwrb/QJKlF4zBz alt/I0lZIg8jQ0F4/FBiRA7JvYxk5YoaOq9R/4SdTUlYMsbKpFdoIXuvsswwo7OJlT8p EkmqYBDTDcaNSCiLlGpLfcgxkYUDDURaJZxi54eGldtlLdPWUZ8E80F+eitK3jlgeHan aU16jTHjyC+uI0wu+FDLfVrXokfa9wp7OJxFSRV3cTMTNTct2YGyCxayiSfhKB7E1jz/ vwmg== X-Gm-Message-State: AJaThX4gqIqxfCVMtuhmji29PEGV9wZa4nNG25hs8BebjuhdQFYN5Ubo RxcxHmNrxqJryBnDaIkcGD7I+g== X-Google-Smtp-Source: AGs4zMb6pdNoivsG9TXHcfhrQLF10Tky+1UtrcY6kjrukpbKhMpLOpHiLoFwRBFWSCPvnYfynpA0KA== X-Received: by 10.80.149.21 with SMTP id u21mr31314188eda.137.1512401522658; Mon, 04 Dec 2017 07:32:02 -0800 (PST) Received: from pc3729.tess.elex.be ([194.150.35.21]) by smtp.gmail.com with ESMTPSA id z102sm7971741ede.85.2017.12.04.07.32.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Dec 2017 07:32:01 -0800 (PST) From: Crt Mori To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Crt Mori Subject: [PATCH v2 2/3] dt-bindings: iio: temperature: add MLX90632 device bindings Date: Mon, 4 Dec 2017 16:31:54 +0100 Message-Id: <20171204153154.26211-1-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>; +};