linux/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
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   1NTC Thermistor hwmon sensors
   2-------------------------------
   3
   4Requires node properties:
   5- "compatible" value : one of
   6        "ntc,ncp15wb473"
   7        "ntc,ncp18wb473"
   8        "ntc,ncp21wb473"
   9        "ntc,ncp03wb473"
  10        "ntc,ncp15wl333"
  11- "pullup-uv"   Pull up voltage in micro volts
  12- "pullup-ohm"  Pull up resistor value in ohms
  13- "pulldown-ohm" Pull down resistor value in ohms
  14- "connected-positive" Always ON, If not specified.
  15                Status change is possible.
  16- "io-channels" Channel node of ADC to be used for
  17                conversion.
  18
  19Read more about iio bindings at
  20        Documentation/devicetree/bindings/iio/iio-bindings.txt
  21
  22Example:
  23        ncp15wb473@0 {
  24                compatible = "ntc,ncp15wb473";
  25                pullup-uv = <1800000>;
  26                pullup-ohm = <47000>;
  27                pulldown-ohm = <0>;
  28                io-channels = <&adc 3>;
  29        };
  30