diff --git a/drivers/pwm/pwm-adp5585.c b/drivers/pwm/pwm-adp5585.c
index ed7e8c6bcf32..40472ac5db64 100644
--- a/drivers/pwm/pwm-adp5585.c
+++ b/drivers/pwm/pwm-adp5585.c
@@ -100,6 +100,10 @@ static int pwm_adp5585_apply(struct pwm_chip *chip,
 	if (ret)
 		return ret;
 
+	ret = regmap_set_bits(regmap, ADP5585_GENERAL_CFG, ADP5585_OSC_EN);
+	if (ret)
+		return ret;
+
 	return regmap_set_bits(regmap, ADP5585_PWM_CFG, ADP5585_PWM_EN);
 }