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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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3b2eaffd2b
Voltafield AF8133J is a simple magnetometer sensor produced by Voltafield Technology Corp, with dual power supplies (one for core and one for I/O) and active-low reset pin. The sensor has configurable range 1.2 - 2.2 mT and a software controlled standby mode. Add a device tree binding for it. Signed-off-by: Icenowy Zheng <icenowy@aosc.io> Signed-off-by: Ondřej Jirman <megi@xff.cz> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240222011341.3232645-3-megi@xff.cz Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
61 lines
1.4 KiB
YAML
61 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/magnetometer/voltafield,af8133j.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Voltafield AF8133J magnetometer sensor
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maintainers:
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- Ondřej Jirman <megi@xff.cz>
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properties:
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compatible:
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const: voltafield,af8133j
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reg:
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maxItems: 1
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reset-gpios:
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description:
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A signal for active low reset input of the sensor. (optional; if not
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used, software reset over I2C will be used instead)
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avdd-supply:
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description:
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A regulator that provides AVDD power (Working power, usually 3.3V) to
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the sensor.
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dvdd-supply:
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description:
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A regulator that provides DVDD power (Digital IO power, 1.8V - AVDD)
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to the sensor.
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mount-matrix:
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description: An optional 3x3 mounting rotation matrix.
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required:
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- compatible
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- reg
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- avdd-supply
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- dvdd-supply
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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magnetometer@1c {
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compatible = "voltafield,af8133j";
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reg = <0x1c>;
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avdd-supply = <®_dldo1>;
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dvdd-supply = <®_dldo1>;
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reset-gpios = <&pio 1 1 GPIO_ACTIVE_LOW>;
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};
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};
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