diff --git a/drivers/pwm/pwm_stm32.c b/drivers/pwm/pwm_stm32.c
index b05208673ff..8275bd5685e 100644
--- a/drivers/pwm/pwm_stm32.c
+++ b/drivers/pwm/pwm_stm32.c
@@ -340,6 +340,13 @@ static int pwm_stm32_init(const struct device *dev)
 		.enr = DT_CLOCKS_CELL(DT_PARENT(DT_DRV_INST(index)), bits)     \
 	}
 
+/* Print warning if any pwm node has 'st,prescaler' property */
+#define PRESCALER_PWM(index) DT_INST_NODE_HAS_PROP(index, st_prescaler) ||
+#if (DT_INST_FOREACH_STATUS_OKAY(PRESCALER_PWM) 0)
+#warning "DT property 'st,prescaler' in pwm node is deprecated and should be \
+replaced by 'st,prescaler' property in parent node, aka timers"
+#endif
+
 #define PWM_DEVICE_INIT(index)                                                 \
 	static struct pwm_stm32_data pwm_stm32_data_##index;                   \
 									       \
@@ -349,7 +356,11 @@ static int pwm_stm32_init(const struct device *dev)
 	static const struct pwm_stm32_config pwm_stm32_config_##index = {      \
 		.timer = (TIM_TypeDef *)DT_REG_ADDR(                           \
 			DT_PARENT(DT_DRV_INST(index))),                        \
-		.prescaler = DT_INST_PROP(index, st_prescaler),                \
+		/* For compatibility reason, use pwm st_prescaler property  */ \
+		/* if exist, otherwise use parent (timers) property         */ \
+		.prescaler = DT_PROP_OR(DT_DRV_INST(index), st_prescaler,      \
+			(DT_PROP(DT_PARENT(DT_DRV_INST(index)),                \
+				 st_prescaler))),                              \
 		.pclken = DT_INST_CLK(index, timer),                           \
 		.pinctrl = pwm_pins_##index,                                   \
 		.pinctrl_len = ARRAY_SIZE(pwm_pins_##index),                   \