Merge tag 'tegra-for-4.8-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra...
[cascardo/linux.git] / Documentation / devicetree / bindings / hwmon / ntc_thermistor.txt
1 NTC Thermistor hwmon sensors
2 -------------------------------
3
4 Requires node properties:
5 - "compatible" value : one of
6         "epcos,b57330v2103"
7         "murata,ncp15wb473"
8         "murata,ncp18wb473"
9         "murata,ncp21wb473"
10         "murata,ncp03wb473"
11         "murata,ncp15wl333"
12         "murata,ncp03wf104"
13         "murata,ncp15xh103"
14
15 /* Usage of vendor name "ntc" is deprecated */
16 <DEPRECATED>    "ntc,ncp15wb473"
17 <DEPRECATED>    "ntc,ncp18wb473"
18 <DEPRECATED>    "ntc,ncp21wb473"
19 <DEPRECATED>    "ntc,ncp03wb473"
20 <DEPRECATED>    "ntc,ncp15wl333"
21
22 - "pullup-uv"   Pull up voltage in micro volts
23 - "pullup-ohm"  Pull up resistor value in ohms
24 - "pulldown-ohm" Pull down resistor value in ohms
25 - "connected-positive" Always ON, If not specified.
26                 Status change is possible.
27 - "io-channels" Channel node of ADC to be used for
28                 conversion.
29
30 Optional node properties:
31 - "#thermal-sensor-cells" Used to expose itself to thermal fw.
32
33 Read more about iio bindings at
34         Documentation/devicetree/bindings/iio/iio-bindings.txt
35
36 Example:
37         ncp15wb473@0 {
38                 compatible = "murata,ncp15wb473";
39                 pullup-uv = <1800000>;
40                 pullup-ohm = <47000>;
41                 pulldown-ohm = <0>;
42                 io-channels = <&adc 3>;
43         };