From patchwork Wed Dec 6 09:55:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crt Mori X-Patchwork-Id: 10095141 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 8771860210 for ; Wed, 6 Dec 2017 09:55:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7841229C08 for ; Wed, 6 Dec 2017 09:55:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6CF0629C5C; Wed, 6 Dec 2017 09:55:56 +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 23AC329C08 for ; Wed, 6 Dec 2017 09:55:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754574AbdLFJzy (ORCPT ); Wed, 6 Dec 2017 04:55:54 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:37136 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752373AbdLFJzw (ORCPT ); Wed, 6 Dec 2017 04:55:52 -0500 Received: by mail-wm0-f65.google.com with SMTP id f140so5992593wmd.2 for ; Wed, 06 Dec 2017 01:55:51 -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=nNA5/N8nKxN4hEVkyWGs/u/w0NY6hO1zXWnr5JS37NCjZoWLL5sQnMJFJCorgNcwzk M7efCx9phYrzxF46pDZnPUJXNptMweIz+Sn+iOKS37myyehJ7jWHnFe0Crw9DK8Y03Hv GwEYk4J3/tQpANKzyyZb0zoMMR+U1OWuVctbYMY+4Zx3xCij2szyaqTWRrcrp6f0wN8I cADX/aNutEgIh9yLNnqcXmRKB1rw6djanv0/oz1nLutRynmEQxlPq+4wWMvb3S13sVFS /A+YUDqm+z1giQlZl948i5M1CO8U9rWQ2Cy96vtGSro6N3Q0Bfm999EL7/25qorriTtB dljw== 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=fWfsE+eyWSl4XMnXrnLL1dhxIZwGBKkvd3Nr8IBKqd07pvRd3M6zTc/KtlnFntg4wB soN38TywHqUy6VFxzLfh4qr12xo7M99x/8pEt0qp2zxVMmviRJXajDb/NSRq6P3hqeK3 OOzFmj0FL6466SL94WOMNI5NqNqV545ntlnPoC+rcviEUlRhFY9HmXDoOpayWawOEp+6 0WFSfeQw0mMUsy051JpsRuW2mEVIryKf/k0Aw8GvY7qGe6UkVt6UI0xfvFdivWXhM3fw +WMFA/UcBYgeFDjFTqdqk25H6AI4fpTJdD0VpwbPmvWjd5+mNZpuJp5fO3QitH+lGi0J LumA== X-Gm-Message-State: AJaThX6Se9pkcDiNZS9rZ02FRV/1FEK+5I68D2Ge/8BZUD2YbrmcLbkt ks9L8a32zfFxD1z4PIoHrFUqzA== X-Google-Smtp-Source: AGs4zMbW1lPoiYHx2o901aIoHwfnexe1rlBF23cCc23+PyATYMDJa9oP7V0tOrFH+dm8hkI7FswATg== X-Received: by 10.80.182.217 with SMTP id f25mr40896197ede.104.1512554150787; Wed, 06 Dec 2017 01:55:50 -0800 (PST) Received: from pc3729.tess.elex.be ([194.150.35.21]) by smtp.gmail.com with ESMTPSA id j30sm964181edc.24.2017.12.06.01.55.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Dec 2017 01:55:49 -0800 (PST) From: Crt Mori To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Crt Mori Subject: [PATCH v3 2/3] dt-bindings: iio: temperature: add MLX90632 device bindings Date: Wed, 6 Dec 2017 10:55:43 +0100 Message-Id: <20171206095543.8223-1-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>; +};