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iio: gyro: add DT bindings to fxas21002c

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Add device tree bindings for the FXAS21002C gyroscope.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Rui Miguel Silva 2019-04-12 17:48:56 +01:00 committed by Jonathan Cameron
parent 21cf20a84a
commit 955e007729
1 changed files with 31 additions and 0 deletions
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Documentation/devicetree/bindings/iio/gyroscope/nxp,fxas21002c.txt Normal file
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* NXP FXAS21002C Gyroscope device tree bindings
http://www.nxp.com/products/sensors/gyroscopes/3-axis-digital-gyroscope:FXAS21002C
Required properties:
- compatible : should be "nxp,fxas21002c"
- reg : the I2C address of the sensor or SPI chip select number for the
device.
- vdd-supply: phandle to the regulator that provides power to the sensor.
- vddio-supply: phandle to the regulator that provides power to the bus.
Optional properties:
- reset-gpios : gpio used to reset the device, see gpio/gpio.txt
- interrupts : device support 2 interrupts, INT1 and INT2,
the interrupts can be triggered on rising or falling edges.
See interrupt-controller/interrupts.txt
- interrupt-names: should contain "INT1" or "INT2", the gyroscope interrupt
line in use.
- drive-open-drain: the interrupt/data ready line will be configured
as open drain, which is useful if several sensors share
the same interrupt line. This is a boolean property.
(This binding is taken from pinctrl/pinctrl-bindings.txt)
Example:
gyroscope@20 {
compatible = "nxp,fxas21002c";
reg = <0x20>;
vdd-supply = <&reg_peri_3p15v>;
vddio-supply = <&reg_peri_3p15v>;
};