Commit 8fede567 authored by Paresh Chaudhary's avatar Paresh Chaudhary Committed by Jonathan Cameron

iio:temperature:max31856:Add device tree bind info

This patch added device tree binding info for MAX31856 driver.
Signed-off-by: default avatarParesh Chaudhary <paresh.chaudhary@rockwellcollins.com>
Signed-off-by: default avatarMatt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: default avatarPatrick Havelange <patrick.havelange@essensium.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 023e4163
No related merge requests found
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>;
};
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