1*c66ec88fSEmmanuel VadotMaxim thermocouple support 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel Vadot* https://datasheets.maximintegrated.com/en/ds/MAX6675.pdf 4*c66ec88fSEmmanuel Vadot* https://datasheets.maximintegrated.com/en/ds/MAX31855.pdf 5*c66ec88fSEmmanuel Vadot 6*c66ec88fSEmmanuel VadotRequired properties: 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel Vadot - compatible: must be "maxim,max6675" or one of the following: 9*c66ec88fSEmmanuel Vadot "maxim,max31855k", "maxim,max31855j", "maxim,max31855n", 10*c66ec88fSEmmanuel Vadot "maxim,max31855s", "maxim,max31855t", "maxim,max31855e", 11*c66ec88fSEmmanuel Vadot "maxim,max31855r"; the generic "max,max31855" is deprecated. 12*c66ec88fSEmmanuel Vadot - reg: SPI chip select number for the device 13*c66ec88fSEmmanuel Vadot - spi-max-frequency: must be 4300000 14*c66ec88fSEmmanuel Vadot - spi-cpha: must be defined for max6675 to enable SPI mode 1 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel Vadot Refer to spi/spi-bus.txt for generic SPI slave bindings. 17*c66ec88fSEmmanuel Vadot 18*c66ec88fSEmmanuel VadotExample: 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel Vadot max31855@0 { 21*c66ec88fSEmmanuel Vadot compatible = "maxim,max31855k"; 22*c66ec88fSEmmanuel Vadot reg = <0>; 23*c66ec88fSEmmanuel Vadot spi-max-frequency = <4300000>; 24*c66ec88fSEmmanuel Vadot }; 25