+int pinctrl_request(struct udevice *dev, int func, int flags)
+{
+ struct pinctrl_ops *ops = pinctrl_get_ops(dev);
+
+ if (!ops->request)
+ return -ENOSYS;
+
+ return ops->request(dev, func, flags);
+}
+
+int pinctrl_request_noflags(struct udevice *dev, int func)
+{
+ return pinctrl_request(dev, func, 0);
+}
+
+int pinctrl_get_periph_id(struct udevice *dev, struct udevice *periph)
+{
+ struct pinctrl_ops *ops = pinctrl_get_ops(dev);
+
+ if (!ops->get_periph_id)
+ return -ENOSYS;
+
+ return ops->get_periph_id(dev, periph);
+}
+
+int pinctrl_get_gpio_mux(struct udevice *dev, int banknum, int index)
+{
+ struct pinctrl_ops *ops = pinctrl_get_ops(dev);
+
+ if (!ops->get_gpio_mux)
+ return -ENOSYS;
+
+ return ops->get_gpio_mux(dev, banknum, index);
+}
+