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