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linux
dt-bindings:iio:humidity:st,hts221 yaml conversion.
Straight forward conversion of this temperature and pressure sensor binding.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20201031134110.724233-4-jic23@kernel.org
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Documentation/devicetree/bindings/iio/humidity/hts221.txt
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Documentation/devicetree/bindings/iio/humidity/hts221.txt
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* HTS221 STM humidity + temperature sensor
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Required properties:
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- compatible: should be "st,hts221"
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- reg: i2c address of the sensor / spi cs line
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-
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Optional properties:
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- drive-open-drain: the interrupt/data ready line will be configured
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as open drain, which is useful if several sensors share the same
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interrupt line. This is a boolean property.
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If the requested interrupt is configured as IRQ_TYPE_LEVEL_HIGH or
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IRQ_TYPE_EDGE_RISING a pull-down resistor is needed to drive the line
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when it is not active, whereas a pull-up one is needed when interrupt
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line is configured as IRQ_TYPE_LEVEL_LOW or IRQ_TYPE_EDGE_FALLING.
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Refer to pinctrl/pinctrl-bindings.txt for the property description.
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- interrupts: interrupt mapping for IRQ. It should be configured with
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flags IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_LOW or
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IRQ_TYPE_EDGE_FALLING.
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Refer to interrupt-controller/interrupts.txt for generic interrupt
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client node bindings.
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Example:
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hts221@5f {
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compatible = "st,hts221";
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reg = <0x5f>;
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interrupt-parent = <&gpio0>;
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interrupts = <0 IRQ_TYPE_EDGE_RISING>;
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};
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Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml
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Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml
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# 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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$id: http://devicetree.org/schemas/iio/humidity/st,hts221.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: HTS221 STM humidity + temperature sensor
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maintainers:
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- Lorenzo Bianconi <lorenzo@kernel.org>
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description: |
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Humidity and temperature sensor with I2C interface and data ready
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interrupt.
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properties:
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compatible:
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const: st,hts221
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reg:
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maxItems: 1
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drive-open-drain:
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type: boolean
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description:
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The interrupt/data ready line will be configured as open drain, which
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is useful if several sensors share the same interrupt line.
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interrupts:
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maxItems: 1
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required:
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- compatible
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- reg
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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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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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hts221@5f {
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compatible = "st,hts221";
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reg = <0x5f>;
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interrupt-parent = <&gpio0>;
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interrupts = <0 IRQ_TYPE_EDGE_RISING>;
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};
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};
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...