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Diffstat (limited to 'Documentation/devicetree/bindings/iio/humidity')
3 files changed, 141 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/humidity/dht11.yaml b/Documentation/devicetree/bindings/iio/humidity/dht11.yaml new file mode 100644 index 000000000..2247481d0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/humidity/dht11.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/humidity/dht11.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DHT11 humidity + temperature sensor + +maintainers: + - Harald Geyer <harald@ccbib.org> + +description: | + A simple and low cost module providing a non standard single GPIO based + interface. It is believed the part is made by aosong but don't have + absolute confirmation of this, or what the aosong part number is. + +properties: + compatible: + const: dht11 + + reg: + maxItems: 1 + + gpios: + maxItems: 1 + description: + Single, interrupt capable, GPIO used to communicate with the device. + +required: + - compatible + - gpios + +additionalProperties: false + +examples: + - | + humidity_sensor { + compatible = "dht11"; + gpios = <&gpio0 6 0>; + }; +... diff --git a/Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml b/Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml new file mode 100644 index 000000000..598473df7 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/humidity/st,hts221.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HTS221 STM humidity + temperature sensor + +maintainers: + - Lorenzo Bianconi <lorenzo@kernel.org> + +description: | + Humidity and temperature sensor with I2C interface and data ready + interrupt. + +properties: + compatible: + const: st,hts221 + + reg: + maxItems: 1 + + drive-open-drain: + type: boolean + description: + The interrupt/data ready line will be configured as open drain, which + is useful if several sensors share the same interrupt line. + + vdd-supply: true + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + hts221@5f { + compatible = "st,hts221"; + reg = <0x5f>; + interrupt-parent = <&gpio0>; + interrupts = <0 IRQ_TYPE_EDGE_RISING>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml b/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml new file mode 100644 index 000000000..88384b69f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/humidity/ti,hdc2010.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HDC2010/HDC2080 humidity and temperature iio sensors + +maintainers: + - Eugene Zaikonnikov <ez@norophonic.com> + +description: | + Relative humidity and tempereature sensors on I2C bus + + Datasheets are available at: + http://www.ti.com/product/HDC2010/datasheet + http://www.ti.com/product/HDC2080/datasheet + +properties: + compatible: + enum: + - ti,hdc2010 + - ti,hdc2080 + + vdd-supply: true + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + humidity@40 { + compatible = "ti,hdc2010"; + reg = <0x40>; + }; + }; |