xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunNTC Thermistor hwmon sensors
2*4882a593Smuzhiyun-------------------------------
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequires node properties:
5*4882a593Smuzhiyun- "compatible" value : one of
6*4882a593Smuzhiyun	"epcos,b57330v2103"
7*4882a593Smuzhiyun	"epcos,b57891s0103"
8*4882a593Smuzhiyun	"murata,ncp15wb473"
9*4882a593Smuzhiyun	"murata,ncp18wb473"
10*4882a593Smuzhiyun	"murata,ncp21wb473"
11*4882a593Smuzhiyun	"murata,ncp03wb473"
12*4882a593Smuzhiyun	"murata,ncp15wl333"
13*4882a593Smuzhiyun	"murata,ncp03wf104"
14*4882a593Smuzhiyun	"murata,ncp15xh103"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun/* Usage of vendor name "ntc" is deprecated */
17*4882a593Smuzhiyun<DEPRECATED>	"ntc,ncp15wb473"
18*4882a593Smuzhiyun<DEPRECATED>	"ntc,ncp18wb473"
19*4882a593Smuzhiyun<DEPRECATED>	"ntc,ncp21wb473"
20*4882a593Smuzhiyun<DEPRECATED>	"ntc,ncp03wb473"
21*4882a593Smuzhiyun<DEPRECATED>	"ntc,ncp15wl333"
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun- "pullup-uv"	Pull up voltage in micro volts
24*4882a593Smuzhiyun- "pullup-ohm"	Pull up resistor value in ohms
25*4882a593Smuzhiyun- "pulldown-ohm" Pull down resistor value in ohms
26*4882a593Smuzhiyun- "connected-positive" Always ON, If not specified.
27*4882a593Smuzhiyun		Status change is possible.
28*4882a593Smuzhiyun- "io-channels"	Channel node of ADC to be used for
29*4882a593Smuzhiyun		conversion.
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunOptional node properties:
32*4882a593Smuzhiyun- "#thermal-sensor-cells" Used to expose itself to thermal fw.
33*4882a593Smuzhiyun
34*4882a593SmuzhiyunRead more about iio bindings at
35*4882a593Smuzhiyun	Documentation/devicetree/bindings/iio/iio-bindings.txt
36*4882a593Smuzhiyun
37*4882a593SmuzhiyunExample:
38*4882a593Smuzhiyun	ncp15wb473@0 {
39*4882a593Smuzhiyun		compatible = "murata,ncp15wb473";
40*4882a593Smuzhiyun		pullup-uv = <1800000>;
41*4882a593Smuzhiyun		pullup-ohm = <47000>;
42*4882a593Smuzhiyun		pulldown-ohm = <0>;
43*4882a593Smuzhiyun		io-channels = <&adc 3>;
44*4882a593Smuzhiyun	};
45