Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752042AbdCDIiG (ORCPT ); Sat, 4 Mar 2017 03:38:06 -0500 Received: from mail-pf0-f193.google.com ([209.85.192.193]:34267 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750721AbdCDIiE (ORCPT ); Sat, 4 Mar 2017 03:38:04 -0500 From: Eva Rachel Retuya To: jic23@kernel.org, linux-iio@vger.kernel.org Cc: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, dmitry.torokhov@gmail.com, michael.hennerich@analog.com, daniel.baluta@gmail.com, amsfield22@gmail.com, florian.vaussard@heig-vd.ch, linux-kernel@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, andy.shevchenko@gmail.com, Eva Rachel Retuya Subject: [PATCH v6 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding Date: Sat, 4 Mar 2017 16:31:23 +0800 Message-Id: <8bdf46e166cc98c75f9ef73b5c6911ae97165da3.1488615230.git.eraretuya@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1892 Lines: 59 Add the device tree binding documentation for the ADXL345 3-axis digital accelerometer. Signed-off-by: Eva Rachel Retuya Acked-by: Rob Herring --- Change from v5: * Add Rob's Acked-by tag .../devicetree/bindings/iio/accel/adxl345.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/accel/adxl345.txt diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt new file mode 100644 index 0000000..e7111b0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/accel/adxl345.txt @@ -0,0 +1,38 @@ +Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer + +http://www.analog.com/en/products/mems/accelerometers/adxl345.html + +Required properties: + - compatible : should be "adi,adxl345" + - reg : the I2C address or SPI chip select number of the sensor + +Required properties for SPI bus usage: + - spi-max-frequency : set maximum clock frequency, must be 5000000 + - spi-cpol and spi-cpha : must be defined for adxl345 to enable SPI mode 3 + +Optional properties: + - interrupt-parent : phandle to the parent interrupt controller as documented + in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + - interrupts: interrupt mapping for IRQ as documented in + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + +Example for a I2C device node: + + accelerometer@2a { + compatible = "adi,adxl345"; + reg = <0x53>; + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + }; + +Example for a SPI device node: + + accelerometer@0 { + compatible = "adi,adxl345"; + reg = <0>; + spi-max-frequency = <5000000>; + spi-cpol; + spi-cpha; + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + }; -- 2.7.4