hwmon: (max6621) Add support for Maxim MAX6621 temperature sensor

MAX6621 is a PECI-to-I2C translator provides an efficient, low-cost
solution for PECI-to-SMBus/I2C protocol conversion. It allows reading the
temperature from the PECI-compliant host directly from up to four
PECI-enabled CPUs.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/Kconfig

@@ -862,6 +862,20 @@ tristate "MAX31722 temperature sensor"
 	  This driver can also be built as a module. If so, the module
 	  will be called max31722.
 
+config SENSORS_MAX6621
+	tristate "Maxim MAX6621 sensor chip"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  If you say yes here you get support for MAX6621 sensor chip.
+	  MAX6621 is a PECI-to-I2C translator provides an efficient,
+	  low-cost solution for PECI-to-SMBus/I2C protocol conversion.
+	  It allows reading the temperature from the PECI-compliant
+	  host directly from up to four PECI-enabled CPUs.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called max6621.
+
 config SENSORS_MAX6639
 	tristate "Maxim MAX6639 sensor chip"
 	depends on I2C

drivers/hwmon/Makefile

@@ -117,6 +117,7 @@ obj-$(CONFIG_SENSORS_MAX1619)	+= max1619.o
 obj-$(CONFIG_SENSORS_MAX1668)	+= max1668.o
 obj-$(CONFIG_SENSORS_MAX197)	+= max197.o
 obj-$(CONFIG_SENSORS_MAX31722)	+= max31722.o
+obj-$(CONFIG_SENSORS_MAX6621)	+= max6621.o
 obj-$(CONFIG_SENSORS_MAX6639)	+= max6639.o
 obj-$(CONFIG_SENSORS_MAX6642)	+= max6642.o
 obj-$(CONFIG_SENSORS_MAX6650)	+= max6650.o