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ntc_thermistor.txt

ntc_thermistor.txt 961 B
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  1. NTC Thermistor hwmon sensors
    2. 

  2. -------------------------------
    3. 

  3. 

  4. Requires node properties:
    5. 

  5. - "compatible" value : one of
    6. 

  6. 	"murata,ncp15wb473"
    7. 

  7. 	"murata,ncp18wb473"
    8. 

  8. 	"murata,ncp21wb473"
    9. 

  9. 	"murata,ncp03wb473"
    10. 

  10. 	"murata,ncp15wl333"
    11. 

  11. 

  12. /* Usage of vendor name "ntc" is deprecated */
    13. 

  13. <DEPRECATED>	"ntc,ncp15wb473"
    14. 

  14. <DEPRECATED>	"ntc,ncp18wb473"
    15. 

  15. <DEPRECATED>	"ntc,ncp21wb473"
    16. 

  16. <DEPRECATED>	"ntc,ncp03wb473"
    17. 

  17. <DEPRECATED>	"ntc,ncp15wl333"
    18. 

  18. 

  19. - "pullup-uv"	Pull up voltage in micro volts
    20. 

  20. - "pullup-ohm"	Pull up resistor value in ohms
    21. 

  21. - "pulldown-ohm" Pull down resistor value in ohms
    22. 

  22. - "connected-positive" Always ON, If not specified.
    23. 

  23. 		Status change is possible.
    24. 

  24. - "io-channels"	Channel node of ADC to be used for
    25. 

  25. 		conversion.
    26. 

  26. 

  27. Read more about iio bindings at
    28. 

  28. 	Documentation/devicetree/bindings/iio/iio-bindings.txt
    29. 

  29. 

  30. Example:
    31. 

  31. 	ncp15wb473@0 {
    32. 

  32. 		compatible = "murata,ncp15wb473";
    33. 

  33. 		pullup-uv = <1800000>;
    34. 

  34. 		pullup-ohm = <47000>;
    35. 

  35. 		pulldown-ohm = <0>;
    36. 

  36. 		io-channels = <&adc 3>;
    37. 

  37. 	};
    38.