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Commit bcdf177d authored by Linus Walleij's avatar Linus Walleij Committed by Jonathan Cameron
Browse files

iio: magn: DT bindings for AK8974 



This adds device tree bindings for the AK8974 magnetometer, similar
to those for the AK8975.

Cc: devicetree@vger.kernel.org
Cc: Samu Onkalo <samu.onkalo@intel.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 3b8df5fd

Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt

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* Asahi Kasei AK8974 magnetometer sensor



Required properties:



- compatible : should be "asahi-kasei,ak8974"

- reg : the I2C address of the magnetometer



Optional properties:



- avdd-supply: regulator supply for the analog voltage

  (see regulator/regulator.txt)

- dvdd-supply: regulator supply for the digital voltage

  (see regulator/regulator.txt)

- interrupts: data ready (DRDY) and interrupt (INT1) lines

  from the chip, the DRDY interrupt must be placed first.

  The interrupts can be triggered on rising or falling

  edges alike.

- mount-matrix: an optional 3x3 mounting rotation matrix



Example:



ak8974@0f {

	compatible = "asahi-kasei,ak8974";

	reg = <0x0f>;

	avdd-supply = <&foo_reg>;

	dvdd-supply = <&bar_reg>;

	interrupts = <0 IRQ_TYPE_EDGE_RISING>,

		     <1 IRQ_TYPE_EDGE_RISING>;

};