diff options
author | Navin Sankar Velliangiri <navin@linumiz.com> | 2021-08-24 08:06:50 +0300 |
---|---|---|
committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-09-14 14:00:33 +0300 |
commit | c5dc9e3635019a6ca9dfe7860e6a456d1811f36b (patch) | |
tree | 91c7564d2c67b7aee655fedd912761222dbf805d /Documentation/devicetree/bindings/iio | |
parent | e112dc4e18eafc5ee9d5700e3c059ac9897ae2a1 (diff) | |
download | linux-c5dc9e3635019a6ca9dfe7860e6a456d1811f36b.tar.xz |
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>
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
-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; + }; + }; +... |