regulator: mcp16502: Add supplier for regulators

Based on the datasheet [1] (Block Diagram) PVIN[1-4] and LVIN
represent the input voltage supply for each BUCKs respective LDOs.
Update the driver to align with the datasheet [1].

[1]: https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP16502-Data-Sheet-DS20006275.pdfCo-developed-by: Mihai Sain <mihai.sain@microchip.com>
Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
Signed-off-by: Andrei Simion <andrei.simion@microchip.com>
Link: https://patch.msgid.link/20240812135231.43744-2-andrei.simion@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/mcp16502.c

@@ -107,9 +107,10 @@ static unsigned int mcp16502_of_map_mode(unsigned int mode)
 	return REGULATOR_MODE_INVALID;
 }
 
-#define MCP16502_REGULATOR(_name, _id, _ranges, _ops, _ramp_table)	\
+#define MCP16502_REGULATOR(_name, _id, _sn, _ranges, _ops, _ramp_table)	\
 	[_id] = {							\
 		.name			= _name,			\
+		.supply_name		= #_sn,				\
 		.regulators_node	= "regulators",			\
 		.id			= _id,				\
 		.ops			= &(_ops),			\
@@ -467,18 +468,18 @@ static const struct linear_range b234_ranges[] = {
 };
 
 static const struct regulator_desc mcp16502_desc[] = {
-	/* MCP16502_REGULATOR(_name, _id, ranges, regulator_ops, ramp_table) */
-	MCP16502_REGULATOR("VDD_IO", BUCK1, b1l12_ranges, mcp16502_buck_ops,
+	/* MCP16502_REGULATOR(_name, _id, _sn, _ranges, _ops, _ramp_table) */
+	MCP16502_REGULATOR("VDD_IO", BUCK1, pvin1, b1l12_ranges, mcp16502_buck_ops,
 			   mcp16502_ramp_b1l12),
-	MCP16502_REGULATOR("VDD_DDR", BUCK2, b234_ranges, mcp16502_buck_ops,
+	MCP16502_REGULATOR("VDD_DDR", BUCK2, pvin2, b234_ranges, mcp16502_buck_ops,
 			   mcp16502_ramp_b234),
-	MCP16502_REGULATOR("VDD_CORE", BUCK3, b234_ranges, mcp16502_buck_ops,
+	MCP16502_REGULATOR("VDD_CORE", BUCK3, pvin3, b234_ranges, mcp16502_buck_ops,
 			   mcp16502_ramp_b234),
-	MCP16502_REGULATOR("VDD_OTHER", BUCK4, b234_ranges, mcp16502_buck_ops,
+	MCP16502_REGULATOR("VDD_OTHER", BUCK4, pvin4, b234_ranges, mcp16502_buck_ops,
 			   mcp16502_ramp_b234),
-	MCP16502_REGULATOR("LDO1", LDO1, b1l12_ranges, mcp16502_ldo_ops,
+	MCP16502_REGULATOR("LDO1", LDO1, lvin, b1l12_ranges, mcp16502_ldo_ops,
 			   mcp16502_ramp_b1l12),
-	MCP16502_REGULATOR("LDO2", LDO2, b1l12_ranges, mcp16502_ldo_ops,
+	MCP16502_REGULATOR("LDO2", LDO2, lvin, b1l12_ranges, mcp16502_ldo_ops,
 			   mcp16502_ramp_b1l12)
 };