diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
index 89b806be399f..2f7ee212cb8c 100644
--- a/drivers/regulator/pca9450-regulator.c
+++ b/drivers/regulator/pca9450-regulator.c
@@ -797,6 +797,14 @@ static int pca9450_i2c_probe(struct i2c_client *i2c,
 		return ret;
 	}
 
+	/* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */
+	ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS,
+				BUCK123_PRESET_EN);
+	if (ret) {
+		dev_err(&i2c->dev, "Failed to clear PRESET_EN bit: %d\n", ret);
+		return ret;
+	}
+
 	/* Set reset behavior on assertion of WDOG_B signal */
 	ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL,
 				WDOG_B_CFG_MASK, WDOG_B_CFG_COLD_LDO12);
diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h
index ccdb5320a240..71902f41c919 100644
--- a/include/linux/regulator/pca9450.h
+++ b/include/linux/regulator/pca9450.h
@@ -147,6 +147,9 @@ enum {
 #define BUCK6_FPWM			0x04
 #define BUCK6_ENMODE_MASK		0x03
 
+/* PCA9450_REG_BUCK123_PRESET_EN bit */
+#define BUCK123_PRESET_EN		0x80
+
 /* PCA9450_BUCK1OUT_DVS0 bits */
 #define BUCK1OUT_DVS0_MASK		0x7F
 #define BUCK1OUT_DVS0_DEFAULT		0x14