diff --git a/drivers/gpio/gpio_stm32.c b/drivers/gpio/gpio_stm32.c
index 2718c175e811c..2986b6fc59b8e 100644
--- a/drivers/gpio/gpio_stm32.c
+++ b/drivers/gpio/gpio_stm32.c
@@ -50,6 +50,10 @@ const int gpio_stm32_flags_to_conf(int flags, int *pincfg)
 
 	if (direction == GPIO_DIR_OUT) {
 		*pincfg = STM32_PINCFG_MODE_OUTPUT;
+		if (flags & GPIO_DS_DISCONNECT_HIGH) {
+			/* open drain */
+			*pincfg |= STM32_PINCFG_TYPE_OPEN_DRAIN;
+		}
 	} else {
 		/* pull-{up,down} maybe? */
 		*pincfg = STM32_PINCFG_MODE_INPUT;
diff --git a/drivers/gpio/gpio_stm32.h b/drivers/gpio/gpio_stm32.h
index 2968d3664f4b3..9ee2cc51a754f 100644
--- a/drivers/gpio/gpio_stm32.h
+++ b/drivers/gpio/gpio_stm32.h
@@ -167,6 +167,7 @@
 					STM32_PUPD_NO_PULL)
 #else
 #define STM32_PINCFG_MODE_OUTPUT        STM32_MODER_OUTPUT_MODE
+#define STM32_PINCFG_TYPE_OPEN_DRAIN    STM32_OTYPER_OPEN_DRAIN
 #define STM32_PINCFG_MODE_INPUT         STM32_MODER_INPUT_MODE
 #define STM32_PINCFG_PULL_UP            STM32_PUPDR_PULL_UP
 #define STM32_PINCFG_PULL_DOWN          STM32_PUPDR_PULL_DOWN