hwmon: (pmbus/max15301) Add support for MAX15303

The MAX15303 is a full-featured, flexible, efficient, 6A digital
point-of-load (PoL) controller with integrated switching MOSFETs. It
contains advanced power management and telemetry features.

Tested-by: Robin Getz <rgetz503@gmail.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20250108-dev-max15303-v1-1-9154eb2c9d9e@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/hwmon/max15301.rst

@@ -13,6 +13,14 @@ Supported chips:
 
     Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX15301.pdf
 
+  * Maxim MAX15303
+
+    Prefix: 'max15303'
+
+    Addresses scanned: -
+
+    Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/max15303.pdf
+
 Author: Erik Rosen <erik.rosen@metormote.com>
 
 

drivers/hwmon/pmbus/Kconfig

@@ -260,7 +260,7 @@ config SENSORS_MAX15301
 	tristate "Maxim MAX15301"
 	help
 	  If you say yes here you get hardware monitoring support for Maxim
-	  MAX15301, as well as for Flex BMR461.
+	  MAX15301, MAX15303, as well as for Flex BMR461.
 
 	  This driver can also be built as a module. If so, the module will
 	  be called max15301.

drivers/hwmon/pmbus/max15301.c

@@ -25,6 +25,7 @@
 static const struct i2c_device_id max15301_id[] = {
 	{ "bmr461" },
 	{ "max15301" },
+	{ "max15303" },
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, max15301_id);