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1 Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer 2 3 http://www.analog.com/en/products/mems/accelerometers/adxl345.html 4 5 Required properties: 6 - compatible : should be "adi,adxl345" 7 - reg : the I2C address or SPI chip select number of the sensor 8 9 Required properties for SPI bus usage: 10 - spi-max-frequency : set maximum clock frequency, must be 5000000 11 - spi-cpol and spi-cpha : must be defined for adxl345 to enable SPI mode 3 12 13 Optional properties: 14 - interrupt-parent : phandle to the parent interrupt controller as documented 15 in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt 16 - interrupts: interrupt mapping for IRQ as documented in 17 Documentation/devicetree/bindings/interrupt-controller/interrupts.txt 18 19 Example for a I2C device node: 20 21 accelerometer@2a { 22 compatible = "adi,adxl345"; 23 reg = <0x53>; 24 interrupt-parent = <&gpio1>; 25 interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; 26 }; 27 28 Example for a SPI device node: 29 30 accelerometer@0 { 31 compatible = "adi,adxl345"; 32 reg = <0>; 33 spi-max-frequency = <5000000>; 34 spi-cpol; 35 spi-cpha; 36 interrupt-parent = <&gpio1>; 37 interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; 38 };