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authorJonghwa Lee <jonghwa3.lee@samsung.com>2014-09-17 09:54:37 +0400
committerGuenter Roeck <linux@roeck-us.net>2014-09-22 22:14:52 +0400
commitc08860ffe5c0e986e208e8217dae8191c0b40b24 (patch)
treed70f8173ba1e25887539527015acce344bbc0085 /Documentation/devicetree/bindings/hwmon
parent9b993e36611bd8029b81637ad53a262fa7882af1 (diff)
downloadlinux-c08860ffe5c0e986e208e8217dae8191c0b40b24.tar.xz
hwmon: (ntc_thermistor) Add ntc thermistor to thermal subsystem as a sensor.
To get more comprehensive and integrated thermal management, it adds ntc thermistor to thermal framework as a thermal sensor. It's governed thermal susbsystem only if it is described in DT node. Otherwise, it just notifies temperature to userspace via sysfs as it used to be. Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
-rw-r--r--Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
index 2391e5c41999..fcca8e744f41 100644
--- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
+++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
@@ -25,6 +25,9 @@ Requires node properties:
- "io-channels" Channel node of ADC to be used for
conversion.
+Optional node properties:
+- "#thermal-sensor-cells" Used to expose itself to thermal fw.
+
Read more about iio bindings at
Documentation/devicetree/bindings/iio/iio-bindings.txt