gpio: stm32f7_gpio: handle node ngpios

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>

diff --git a/drivers/gpio/stm32f7_gpio.c b/drivers/gpio/stm32f7_gpio.c
index 11bc66d..376e86c 100644 (file)
--- a/drivers/gpio/stm32f7_gpio.c
+++ b/drivers/gpio/stm32f7_gpio.c
@@ -90,7 +90,8 @@ static int gpio_stm32_probe(struct udevice *dev)
        if (!name)
                return -EINVAL;
        uc_priv->bank_name = name;
-       uc_priv->gpio_count = STM32_GPIOS_PER_BANK;
+       uc_priv->gpio_count = dev_read_u32_default(dev, "ngpios",
+                                                  STM32_GPIOS_PER_BANK);
        debug("%s, addr = 0x%p, bank_name = %s\n", __func__, (u32 *)priv->regs,
              uc_priv->bank_name);