On Sun, Feb 26, 2017 at 09:45:04PM +0800, Eva Rachel Retuya wrote: > Add the device tree binding documentation for the ADXL345 3-axis digital > accelerometer.
Use "dt-bindings: iio: accel: ..." for the subject prefix. > > Signed-off-by: Eva Rachel Retuya <eraret...@gmail.com> > --- > .../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 { accelerometer@2a > + compatible = "adi,adxl345"; > + reg = <0x53>; > + interrupt-parent = <&gpio1>; > + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; > + }; > + > +Example for a SPI device node: > + > + adxl345@0 { Same here. > + 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 >
