diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/iio/temperature/max31856.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/iio/temperature/max31856.txt')
-rw-r--r-- | Documentation/devicetree/bindings/iio/temperature/max31856.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/temperature/max31856.txt b/Documentation/devicetree/bindings/iio/temperature/max31856.txt new file mode 100644 index 000000000..06ab43bb4 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/max31856.txt @@ -0,0 +1,24 @@ +Maxim MAX31856 thermocouple support + +https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf + +Optional property: + - thermocouple-type: Type of thermocouple (THERMOCOUPLE_TYPE_K if + omitted). Supported types are B, E, J, K, N, R, S, T. + +Required properties: + - compatible: must be "maxim,max31856" + - reg: SPI chip select number for the device + - spi-max-frequency: As per datasheet max. supported freq is 5000000 + - spi-cpha: must be defined for max31856 to enable SPI mode 1 + + Refer to spi/spi-bus.txt for generic SPI slave bindings. + + Example: + temp-sensor@0 { + compatible = "maxim,max31856"; + reg = <0>; + spi-max-frequency = <5000000>; + spi-cpha; + thermocouple-type = <THERMOCOUPLE_TYPE_K>; + }; |