diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
index cbd271e..7c13e25 100644
--- a/drivers/pwm/pwm-stm32-lp.c
+++ b/drivers/pwm/pwm-stm32-lp.c
@@ -202,6 +202,8 @@ static int stm32_pwm_lp_probe(struct platform_device *pdev)
 	priv->chip.dev = &pdev->dev;
 	priv->chip.ops = &stm32_pwm_lp_ops;
 	priv->chip.npwm = 1;
+	priv->chip.of_xlate = of_pwm_xlate_with_flags;
+	priv->chip.of_pwm_n_cells = 3;
 
 	ret = pwmchip_add(&priv->chip);
 	if (ret < 0)