Add device tree bindings for MLX90635 Infra Red contactless temperature sensor. Signed-off-by: Crt Mori <cmo@xxxxxxxxxxx> --- .../iio/temperature/melexis,mlx90635.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml diff --git a/Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml b/Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml new file mode 100644 index 000000000000..96463121a806 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/temperature/melexis,mlx90635.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Melexis MLX90635 contactless Infra Red temperature sensor + +maintainers: + - Crt Mori <cmo@xxxxxxxxxxx> + +description: | + https://www.melexis.com/en/documents/documentation/datasheets/datasheet-mlx90635 + + There are various applications for the Infra Red contactless temperature + sensor and MLX90635 is most suitable for consumer applications where + measured object temperature is in range between -20 to 100 degrees + Celsius with relative error of measurement 2 degree Celsius in + object temperature range for industrial applications, while just 0.2 + degree Celsius for human body measurement applications. Since it can + operate and measure ambient temperature in range of -20 to 85 degrees + Celsius it is suitable also for outdoor use. + + Be aware that electronics surrounding the sensor can increase ambient + temperature. MLX90635 can be calibrated to reduce the housing effect via + already existing EEPROM parameters. + + Since measured object emissivity effects Infra Red energy emitted, + emissivity should be set before requesting the object temperature. + +properties: + compatible: + const: melexis,mlx90635 + + reg: + maxItems: 1 + description: Default is 0x3a, but can be reprogrammed. + + vdd-supply: + description: provide VDD power to the sensor (check datasheet for voltage). + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + temp-sensor@3a { + compatible = "melexis,mlx90635"; + reg = <0x3a>; + vdd-supply = <&ldo4_reg>; + }; + }; +... -- 2.40.1
