1Maxim thermocouple support 2 3* https://datasheets.maximintegrated.com/en/ds/MAX6675.pdf 4* https://datasheets.maximintegrated.com/en/ds/MAX31855.pdf 5 6Required properties: 7 8 - compatible: must be "maxim,max6675" or one of the following: 9 "maxim,max31855k", "maxim,max31855j", "maxim,max31855n", 10 "maxim,max31855s", "maxim,max31855t", "maxim,max31855e", 11 "maxim,max31855r"; the generic "max,max31855" is deprecated. 12 - reg: SPI chip select number for the device 13 - spi-max-frequency: must be 4300000 14 - spi-cpha: must be defined for max6675 to enable SPI mode 1 15 16 Refer to spi/spi-bus.txt for generic SPI slave bindings. 17 18Example: 19 20 max31855@0 { 21 compatible = "maxim,max31855k"; 22 reg = <0>; 23 spi-max-frequency = <4300000>; 24 }; 25