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Maxim thermocouple support
Required properties:
- compatible: must be "maxim,max6675" or one of the following:
"maxim,max31855k", "maxim,max31855j", "maxim,max31855n",
"maxim,max31855s", "maxim,max31855t", "maxim,max31855e",
"maxim,max31855r"; the generic "max,max31855" is deprecated.
- reg: SPI chip select number for the device
- spi-max-frequency: must be 4300000
- spi-cpha: must be defined for max6675 to enable SPI mode 1
Refer to spi/spi-bus.txt for generic SPI slave bindings.
max31855@0 {
compatible = "maxim,max31855k";
reg = <0>;
spi-max-frequency = <4300000>;