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Commit | Line | Data |
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9e8269de NKC |
1 | NTC Thermistor hwmon sensors |
2 | ------------------------------- | |
3 | ||
4 | Requires node properties: | |
5 | - "compatible" value : one of | |
ed67f087 | 6 | "epcos,b57330v2103" |
8b6f5e0f NKC |
7 | "murata,ncp15wb473" |
8 | "murata,ncp18wb473" | |
9 | "murata,ncp21wb473" | |
10 | "murata,ncp03wb473" | |
11 | "murata,ncp15wl333" | |
12 | ||
13 | /* Usage of vendor name "ntc" is deprecated */ | |
14 | <DEPRECATED> "ntc,ncp15wb473" | |
15 | <DEPRECATED> "ntc,ncp18wb473" | |
16 | <DEPRECATED> "ntc,ncp21wb473" | |
17 | <DEPRECATED> "ntc,ncp03wb473" | |
18 | <DEPRECATED> "ntc,ncp15wl333" | |
19 | ||
9e8269de NKC |
20 | - "pullup-uv" Pull up voltage in micro volts |
21 | - "pullup-ohm" Pull up resistor value in ohms | |
22 | - "pulldown-ohm" Pull down resistor value in ohms | |
23 | - "connected-positive" Always ON, If not specified. | |
24 | Status change is possible. | |
25 | - "io-channels" Channel node of ADC to be used for | |
26 | conversion. | |
27 | ||
28 | Read more about iio bindings at | |
29 | Documentation/devicetree/bindings/iio/iio-bindings.txt | |
30 | ||
31 | Example: | |
32 | ncp15wb473@0 { | |
8b6f5e0f | 33 | compatible = "murata,ncp15wb473"; |
9e8269de NKC |
34 | pullup-uv = <1800000>; |
35 | pullup-ohm = <47000>; | |
36 | pulldown-ohm = <0>; | |
37 | io-channels = <&adc 3>; | |
38 | }; |