diff --git a/drivers/regulator/mp8865-regulator.c b/drivers/regulator/mp8865-regulator.c
index ec8b63baef73..416333221d13 100644
--- a/drivers/regulator/mp8865-regulator.c
+++ b/drivers/regulator/mp8865-regulator.c
@@ -93,6 +93,7 @@ static struct regulator_ops mp8865_dcdc_ops = {
 	.map_voltage = regulator_map_voltage_linear_range,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = mp8865_set_voltage,
+	.set_voltage_time_sel = regulator_set_voltage_time_sel,
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
 	.is_enabled = regulator_is_enabled_regmap,