mfd: ahc1ec0-hwmon: Add sub-device hwmon for Advantech embedded contr…

…oller

This is one of sub-device driver for Advantech embedded controller
AHC1EC0. This driver provides sysfs ABI for Advantech related
applications to monitor the system status.

Signed-off-by: Shihlun Lin <shihlun.lin@advantech.com.tw>

drivers/mfd/Kconfig

@@ -2127,5 +2127,13 @@ config MFD_AHC1EC0
           provides expose functions for sub-devices to read/write the value
           to embedded controller.
 
+config MFD_AHC1EC0_HWMON
+	tristate "Advantech EC Hareware Monitor Function"
+	depends on MFD_AHC1EC0
+	help
+	  This is sub-device for Advantech embedded controller AHC1EC0. This
+	  driver provides the sysfs attribues for applications to monitor
+	  the system status.
+
 endmenu
 endif

drivers/mfd/Makefile

@@ -266,3 +266,4 @@ obj-$(CONFIG_MFD_KHADAS_MCU) 	+= khadas-mcu.o
 obj-$(CONFIG_SGI_MFD_IOC3)	+= ioc3.o
 
 obj-$(CONFIG_MFD_AHC1EC0) 	+= ahc1ec0.o
+obj-$(CONFIG_MFD_AHC1EC0_HWMON)	+= ahc1ec0-hwmon.o