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Diffstat (limited to 'Documentation/devicetree/bindings/iio/accel/adxl345.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/accel/adxl345.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt new file mode 100644 index 000000000000..e7111b02c02c --- /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>; + }; |