37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
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Hall sensor driver
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Hall sensor is a switch. It senses magnetic field change and trigger interrupts to cpu.
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Required properties:
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- compatible : Should be "hall-switch".
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- pinctrl-names : Pinctrl configuration names of this sensor driver.
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Should be "default".
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- interrupt-parent : Parent of interrupt.
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- interrupts : Hall Sensor interrupts to indicate new data ready or events.
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- vddio-supply : Analog power supply needed to power device.
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- linux,gpio-int : Irq gpio which is to provide interrupts to host.
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- linux,min-uv : Device required minimum voltage.
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- linux,max-uv : Device required max voltage.
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Optional properties:
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- linux,wakeup : Boolean to select interrupt wakeup or not, if this property is defined
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device will wakeup system.
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Example:
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&soc {
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hall {
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compatible = "hall-switch";
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pinctrl-names = "default";
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pinctrl-0 = <&hall_sensor_int_default>;
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interrupt-parent = <&msm_gpio>;
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interrupts = <36 0x2003>;
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vddio-supply = <&pm8909_l6>;
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linux,gpio-int = <&msm_gpio 36 0x1>;
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linux,wakeup;
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linux,min-uv = <1650000>;
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linux,max-uv = <3300000>;
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};
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};
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