diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c
index e63e8e47d908..74ef3f6d576c 100644
--- a/drivers/mfd/max77620.c
+++ b/drivers/mfd/max77620.c
@@ -172,7 +172,7 @@ static const struct regmap_config max77620_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = MAX77620_REG_DVSSD4 + 1,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.rd_table = &max77620_readable_table,
 	.wr_table = &max77620_writable_table,
 	.volatile_table = &max77620_volatile_table,
@@ -184,7 +184,7 @@ static const struct regmap_config max20024_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = MAX20024_REG_MAX_ADD + 1,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.rd_table = &max20024_readable_table,
 	.wr_table = &max77620_writable_table,
 	.volatile_table = &max77620_volatile_table,
@@ -213,7 +213,7 @@ static const struct regmap_config max77663_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = MAX77620_REG_CID5 + 1,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.rd_table = &max77663_readable_table,
 	.wr_table = &max77663_writable_table,
 	.volatile_table = &max77620_volatile_table,