From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eva Rachel Retuya Subject: [PATCH v4 1/4] Documentation: dt-bindings: Document ADXL345 accelerometer binding Date: Sun, 26 Feb 2017 21:45:04 +0800 Message-ID: <08bd2344767d06cb6e7ad7f419f50777e238e5d4.1488115521.git.eraretuya@gmail.com> References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org 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, Eva Rachel Retuya List-Id: devicetree@vger.kernel.org Add the device tree binding documentation for the ADXL345 3-axis digital accelerometer. Signed-off-by: Eva Rachel Retuya --- .../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..e623f4a --- /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: + + adxl345@2a { + compatible = "adi,adxl345"; + reg = <0x53>; + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + }; + +Example for a SPI device node: + + adxl345@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