diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 2d5e0435af0a..bac1d040baca 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1153,7 +1153,7 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl,
 	struct resource res;
 	struct reset_control *rstc;
 	int npins = STM32_GPIO_PINS_PER_BANK;
-	int bank_nr, err;
+	int bank_nr, err, i = 0;
 
 	rstc = of_reset_control_get_exclusive(np, NULL);
 	if (!IS_ERR(rstc))
@@ -1182,9 +1182,14 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl,
 
 	of_property_read_string(np, "st,bank-name", &bank->gpio_chip.label);
 
-	if (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args)) {
+	if (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, i, &args)) {
 		bank_nr = args.args[1] / STM32_GPIO_PINS_PER_BANK;
 		bank->gpio_chip.base = args.args[1];
+
+		npins = args.args[2];
+		while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3,
+							 ++i, &args))
+			npins += args.args[2];
 	} else {
 		bank_nr = pctl->nbanks;
 		bank->gpio_chip.base = bank_nr * STM32_GPIO_PINS_PER_BANK;