From patchwork Wed Oct 10 19:01:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Weber X-Patchwork-Id: 10635115 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D80DD112B for ; Wed, 10 Oct 2018 19:10:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4A28C2A922 for ; Wed, 10 Oct 2018 19:10:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 486312AA47; Wed, 10 Oct 2018 19:10:37 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI 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 6D2D22A92B for ; Wed, 10 Oct 2018 19:10:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727033AbeJKCeG (ORCPT ); Wed, 10 Oct 2018 22:34:06 -0400 Received: from da1vs04.rockwellcollins.com ([205.175.227.52]:26786 "EHLO da1vs04.rockwellcollins.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726911AbeJKCeF (ORCPT ); Wed, 10 Oct 2018 22:34:05 -0400 X-Greylist: delayed 573 seconds by postgrey-1.27 at vger.kernel.org; Wed, 10 Oct 2018 22:34:05 EDT Received: from ofwda1n02.rockwellcollins.com (HELO ciulimr02.rockwellcollins.com) ([205.175.227.14]) by da1vs04.rockwellcollins.com with ESMTP; 10 Oct 2018 14:01:04 -0500 X-Received: from largo.rockwellcollins.com (unknown [192.168.140.76]) by ciulimr02.rockwellcollins.com (Postfix) with ESMTP id 097792007C; Wed, 10 Oct 2018 14:01:04 -0500 (CDT) From: Matt Weber To: linux-iio@vger.kernel.org Cc: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, Paresh Chaudhary , Matt Weber Subject: [PATCH 2/2] iio:temperature:max31856:Add device tree bind info Date: Wed, 10 Oct 2018 14:01:03 -0500 Message-Id: <1539198063-29825-2-git-send-email-matthew.weber@rockwellcollins.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1539198063-29825-1-git-send-email-matthew.weber@rockwellcollins.com> References: <1539198063-29825-1-git-send-email-matthew.weber@rockwellcollins.com> 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 From: Paresh Chaudhary This patch added device tree binding info for MAX31856 driver. Signed-off-by: Paresh Chaudhary Signed-off-by: Matt Weber --- .../bindings/iio/temperature/max31856.txt | 36 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/temperature/max31856.txt diff --git a/Documentation/devicetree/bindings/iio/temperature/max31856.txt b/Documentation/devicetree/bindings/iio/temperature/max31856.txt new file mode 100644 index 0000000..fb1dfca --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/max31856.txt @@ -0,0 +1,36 @@ +Maxim MAX31856 thermocouple support + +https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf + +Required properties: + - compatible: must be "max31856" + - reg: SPI chip select number for the device + - spi-max-frequency: As per datasheet max. supported freq is 5000000 + - spi-cpha: must be defined for max31856 to enable SPI mode 1 + - type: Type of thermocouple (By default is K-Type) + /* + TYPE_B = 0x00 + TYPE_E = 0x01 + TYPE_J = 0x02 + TYPE_K = 0x03 + TYPE_N = 0x04 + TYPE_R = 0x05 + TYPE_S = 0x06 + TYPE_T = 0x07 + VMODE_G8 = 0x08 + VMODE_G32 = 0x12 + */ + + Refer to spi/spi-bus.txt for generic SPI slave bindings. + +Optional properties: + - one-shot: Enable one-shot Conversion mode (By default mode is auto) + + Example: + max31856@0 { + compatible = "max31856"; + reg = <0>; + spi-max-frequency = <5000000>; + spi-cpha; + type = <0x03>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index dd9a83d..6482ae8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7161,6 +7161,7 @@ MAX31856 IIO DRIVER M: Matthew Weber S: Maintained F: drivers/iio/temperature/max31856.c +F: Documentation/devicetree/bindings/iio/temperature/max31856.txt IIO UNIT CONVERTER M: Peter Rosin