Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / hwmon / ntc_thermistor.txt
diff --git a/kernel/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/kernel/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
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+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>;
+       };