From patchwork Tue Dec 19 15:59:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crt Mori X-Patchwork-Id: 10123577 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 EA56A6019C for ; Tue, 19 Dec 2017 15:59:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DA2BD29405 for ; Tue, 19 Dec 2017 15:59:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CDCBD29431; Tue, 19 Dec 2017 15:59:46 +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 5B46029405 for ; Tue, 19 Dec 2017 15:59:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750881AbdLSP7o (ORCPT ); Tue, 19 Dec 2017 10:59:44 -0500 Received: from mail-wr0-f195.google.com ([209.85.128.195]:34999 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751210AbdLSP7k (ORCPT ); Tue, 19 Dec 2017 10:59:40 -0500 Received: by mail-wr0-f195.google.com with SMTP id l19so7387063wrc.2 for ; Tue, 19 Dec 2017 07:59:39 -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=oiPwYvdgg1AK5vJGbedJczWxpI0CBFux4ok7hPVlR3eRZX57XZ85d2QaLjz1zurw8G X3sNNF+sP0wmK3IpiZRCfkSf5Ee239H6UK0LMfiPO7IDK8AJdYR1iq2YGNQvLFzkMN1+ qgEeHjaxbHfTAbh5pUyJsVggRUNOeNboCLHlEyWNbl5twUG6IaCduR/Z7x9UkmrGVyFZ oTEXB6ti8G8wsjqJXe4bE4zWNybGzHxGY0WZitqieXRkFBHzEE77Qrved7i0ewAhE7Mx c0rtB8mPlBiu/Gknrlh9cgOLFPRiuGFtR8L1cT8whpZq5D3SH1SwS+NbmvAD9iin+pUZ SqBA== 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=m5ySc35Qws4B9IIm0L0Rtdxqp31WOjTAxolNG4QjPy7ih5z6FVIz9n2VhLuxaw0Yjh ZOCPr5x6VRgE1TJGAj92VfJJrCbBUSXXIPA/w9QU9zNu4UvYCnUfIXAml9HztB8aDIk+ 5W0K3ediXu8wlVTpYuYAQ9cWDM5bQZyPLAiPDDK/+VdUxUlmL8FMLFKd70RqLIJa5T4u WXEuhm5lgY7ozMi4oTlJ4UN/r8fUJ1LvhYsJDAtpUBej/7hOnYajcnCtboScpKSwVpd2 XZzP+b0cK2o348cS//tIcqBsbJuhpUcXAHGBhW1RkRSQ6R+CUKhippEby9mtIQoml2M8 LiLQ== X-Gm-Message-State: AKGB3mLocCQj/FMpayswHa+LQPwt2rYfFlkAmXw1eKUxkMPzdx6VLzN1 C0G7HBgOU6azFxgM19y6ttdvJg== X-Google-Smtp-Source: ACJfBovV58tap+q/fIqXUqbnkzbqzg0cx1Q03rh44JbUeLSKngx2Su9UD4lUa0d4m3Nl5jsLczBuXw== X-Received: by 10.223.153.151 with SMTP id y23mr5649059wrb.130.1513699178890; Tue, 19 Dec 2017 07:59:38 -0800 (PST) Received: from pc3729.tess.elex.be ([194.150.35.21]) by smtp.gmail.com with ESMTPSA id b48sm26961734wrb.1.2017.12.19.07.59.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Dec 2017 07:59:37 -0800 (PST) From: Crt Mori To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Crt Mori Subject: [PATCH v7 2/3] dt-bindings: iio: temperature: add MLX90632 device bindings Date: Tue, 19 Dec 2017 16:59:32 +0100 Message-Id: <20171219155932.29592-1-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>; +};