hwmon: AD7314 driver (ported from IIO)

Driver for AD7314, ADT7301, and ADT7302, ported from IIO.

Currently dropped power down mode support.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
[guenter.roeck@ericsson.com: Added MODULE_DEVICE_TABLE]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index c6fb761..378ed8a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -68,6 +68,16 @@
 	  This driver can also be built as a module.  If so, the module
 	  will be called abituguru3.
 
+config SENSORS_AD7314
+	tristate "Analog Devices AD7314 and compatibles"
+	depends on SPI && EXPERIMENTAL
+	help
+	  If you say yes here you get support for the Analog Devices
+	  AD7314, ADT7301 and ADT7302 temperature sensors.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called ad7314.
+
 config SENSORS_AD7414
 	tristate "Analog Devices AD7414"
 	depends on I2C && EXPERIMENTAL