diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 43e1f08..0e31a0c 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -204,6 +204,16 @@
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm63.
 
+config SENSORS_LM70
+	tristate "National Semiconductor LM70"
+	depends on HWMON && SPI_MASTER && EXPERIMENTAL
+	help
+	  If you say yes here you get support for the National Semiconductor
+	  LM70 digital temperature sensor chip.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called lm70.
+
 config SENSORS_LM75
 	tristate "National Semiconductor LM75 and compatibles"
 	depends on HWMON && I2C