| Naveen Krishna Chatradhi | 9e8269d | 2013-03-13 09:38:20 +0530 | [diff] [blame] | 1 | NTC Thermistor hwmon sensors |
| 2 | ------------------------------- |
| 3 | |
| 4 | Requires node properties: |
| 5 | - "compatible" value : one of |
| Johannes Pointner | ed67f08 | 2014-07-01 08:05:52 +0200 | [diff] [blame] | 6 | "epcos,b57330v2103" |
| Naveen Krishna Chatradhi | 8b6f5e0 | 2014-06-25 11:59:31 +0530 | [diff] [blame] | 7 | "murata,ncp15wb473" |
| 8 | "murata,ncp18wb473" |
| 9 | "murata,ncp21wb473" |
| 10 | "murata,ncp03wb473" |
| 11 | "murata,ncp15wl333" |
| Beomho Seo | 887ee43 | 2015-04-30 13:07:43 +0900 | [diff] [blame] | 12 | "murata,ncp03wf104" |
| Joseph McNally | 54ce3a0 | 2016-02-28 22:31:23 +0000 | [diff] [blame] | 13 | "murata,ncp15xh103" |
| Naveen Krishna Chatradhi | 8b6f5e0 | 2014-06-25 11:59:31 +0530 | [diff] [blame] | 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 | |
| Naveen Krishna Chatradhi | 9e8269d | 2013-03-13 09:38:20 +0530 | [diff] [blame] | 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 | |
| Jonghwa Lee | c08860f | 2014-09-17 14:54:37 +0900 | [diff] [blame] | 30 | Optional node properties: |
| 31 | - "#thermal-sensor-cells" Used to expose itself to thermal fw. |
| 32 | |
| Naveen Krishna Chatradhi | 9e8269d | 2013-03-13 09:38:20 +0530 | [diff] [blame] | 33 | Read more about iio bindings at |
| 34 | Documentation/devicetree/bindings/iio/iio-bindings.txt |
| 35 | |
| 36 | Example: |
| 37 | ncp15wb473@0 { |
| Naveen Krishna Chatradhi | 8b6f5e0 | 2014-06-25 11:59:31 +0530 | [diff] [blame] | 38 | compatible = "murata,ncp15wb473"; |
| Naveen Krishna Chatradhi | 9e8269d | 2013-03-13 09:38:20 +0530 | [diff] [blame] | 39 | pullup-uv = <1800000>; |
| 40 | pullup-ohm = <47000>; |
| 41 | pulldown-ohm = <0>; |
| 42 | io-channels = <&adc 3>; |
| 43 | }; |