tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1NTC Thermistor hwmon sensors
2-------------------------------
3
4Requires 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
30Optional node properties:
31- "#thermal-sensor-cells" Used to expose itself to thermal fw.
32
33Read more about iio bindings at
34 Documentation/devicetree/bindings/iio/iio-bindings.txt
35
36Example:
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 };