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Diffstat (limited to 'Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt new file mode 100644 index 000000000..fcca8e744 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt @@ -0,0 +1,41 @@ +NTC Thermistor hwmon sensors +------------------------------- + +Requires node properties: +- "compatible" value : one of + "epcos,b57330v2103" + "murata,ncp15wb473" + "murata,ncp18wb473" + "murata,ncp21wb473" + "murata,ncp03wb473" + "murata,ncp15wl333" + +/* Usage of vendor name "ntc" is deprecated */ +<DEPRECATED> "ntc,ncp15wb473" +<DEPRECATED> "ntc,ncp18wb473" +<DEPRECATED> "ntc,ncp21wb473" +<DEPRECATED> "ntc,ncp03wb473" +<DEPRECATED> "ntc,ncp15wl333" + +- "pullup-uv" Pull up voltage in micro volts +- "pullup-ohm" Pull up resistor value in ohms +- "pulldown-ohm" Pull down resistor value in ohms +- "connected-positive" Always ON, If not specified. + Status change is possible. +- "io-channels" Channel node of ADC to be used for + conversion. + +Optional node properties: +- "#thermal-sensor-cells" Used to expose itself to thermal fw. + +Read more about iio bindings at + Documentation/devicetree/bindings/iio/iio-bindings.txt + +Example: + ncp15wb473@0 { + compatible = "murata,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 3>; + }; |