hwmon: Add EC Chip driver for Lenovo ThinkStation motherboards

This addition adds in the ability for the system to scan the EC chip in the Lenovo ThinkStation systems to get the current fan RPM speeds the Maximum speed value for each fan also provides the CPU, DIMM other thermal statuses Signed-off-by: David Ober <[email protected]> Link: https://lore.kernel.org/r/[email protected] [groeck: Dropped pointless case statements] [Colin King: Fixed spelling error accesssible -> accessible] Signed-off-by: Guenter Roeck <[email protected]>
torvalds · Apr 30, 2024 · 70118f8 · 70118f8
1 parent 9163009
commit 70118f8
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diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
@@ -917,6 +917,16 @@ config SENSORS_LAN966X
 	  This driver can also be built as a module. If so, the module
 	  will be called lan966x-hwmon.
 
+config SENSORS_LENOVO_EC
+        tristate "Sensor reader for Lenovo ThinkStations"
+        depends on X86
+        help
+          If you say yes here you get support for LENOVO
+          EC Sensor data on newer ThinkStation systems
+
+          This driver can also be built as a module. If so, the module
+          will be called lenovo_ec_sensors.
+
 config SENSORS_LINEAGE
 	tristate "Lineage Compact Power Line Power Entry Module"
 	depends on I2C

diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
@@ -108,6 +108,7 @@ obj-$(CONFIG_SENSORS_JC42)	+= jc42.o
 obj-$(CONFIG_SENSORS_K8TEMP)	+= k8temp.o
 obj-$(CONFIG_SENSORS_K10TEMP)	+= k10temp.o
 obj-$(CONFIG_SENSORS_LAN966X)	+= lan966x-hwmon.o
+obj-$(CONFIG_SENSORS_LENOVO_EC)	+= lenovo-ec-sensors.o
 obj-$(CONFIG_SENSORS_LINEAGE)	+= lineage-pem.o
 obj-$(CONFIG_SENSORS_LOCHNAGAR)	+= lochnagar-hwmon.o
 obj-$(CONFIG_SENSORS_LM63)	+= lm63.o