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hwmon: Driver for NTC Thermistors

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Add support for NTC Thermistor series. In this release, the
following thermistors are supported: NCP15WB473, NCP18WB473, NCP03WB473,
and NCP15WL333. This driver is based on the datasheet of MURATA.

The driver in the patch does conversion from the raw ADC value
(either voltage or resistence) to temperature. In order to use
voltage values as input, the circuit schematics should be provided
with the platform data. A compensation table for each type of thermistor
is provided for the conversion.

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: KyungMin Park <kyungmin.park@samsung.com>
Reviewed-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
This commit is contained in:
Donggeun Kim
2011-06-20 16:48:19 +09:00
committed by Guenter Roeck
parent dabaa0d2b4
commit f22aaaa70d
5 changed files with 614 additions and 0 deletions
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14
drivers/hwmon/Kconfig
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@@ -777,6 +777,20 @@ config SENSORS_MAX6650
This driver can also be built as a module. If so, the module
will be called max6650.
config SENSORS_NTC_THERMISTOR
tristate "NTC thermistor support"
depends on EXPERIMENTAL
help
This driver supports NTC thermistors sensor reading and its
interpretation. The driver can also monitor the temperature and
send notifications about the temperature.
Currently, this driver supports
NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333.
This driver can also be built as a module. If so, the module
will be called ntc-thermistor.
config SENSORS_PC87360
tristate "National Semiconductor PC87360 family"
select HWMON_VID