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| author |   Navin Sankar Velliangiri <navin@linumiz.com> | 2021-08-24 10:36:50 +0530 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-09-14 12:00:33 +0100 |
| commit | c5dc9e3635019a6ca9dfe7860e6a456d1811f36b (patch) | |
| tree | 91c7564d2c67b7aee655fedd912761222dbf805d | |
| parent | iio: temperature: Add MAX31865 RTD Support (diff) | |
| download | wireguard-linux-c5dc9e3635019a6ca9dfe7860e6a456d1811f36b.tar.xz wireguard-linux-c5dc9e3635019a6ca9dfe7860e6a456d1811f36b.zip | |
dt-bindings: iio: temperature: add MAXIM max31865 support
Add DT bindings for MAXIM max31865 RTD sensor.
Signed-off-by: Navin Sankar Velliangiri <navin@linumiz.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210824050650.72619-1-navin@linumiz.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml b/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml new file mode 100644 index 000000000000..aafb33b16549 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/temperature/maxim,max31865.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX31865 Resistance Temperature Detector. + +maintainers: + - Navin Sankar Velliangiri <navin@linumiz.com> + +description: | + https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf + +properties: + compatible: + const: maxim,max31865 + + reg: + maxItems: 1 + + maxim,3-wire: + description: + Identifies the number of wires used by the RTD. Setting this property + enables 3-wire RTD connection. Else 2-wire or 4-wire RTD connection. + type: boolean + + spi-max-frequency: true + spi-cpha: true + +required: + - compatible + - reg + - spi-cpha + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + temp_sensor@0 { + compatible = "maxim,max31865"; + reg = <0>; + spi-max-frequency = <400000>; + spi-cpha; + maxim,3-wire; + }; + }; +... |