1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3#ifndef GPIOLIB_OF_H
 4#define GPIOLIB_OF_H
 5
 6struct gpio_chip;
 7enum of_gpio_flags;
 8
 9#ifdef CONFIG_OF_GPIO
10struct gpio_desc *of_find_gpio(struct device *dev,
11			       const char *con_id,
12			       unsigned int idx,
13			       unsigned long *lookupflags);
14int of_gpiochip_add(struct gpio_chip *gc);
15void of_gpiochip_remove(struct gpio_chip *gc);
16int of_gpio_get_count(struct device *dev, const char *con_id);
17bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
18void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
19#else
20static inline struct gpio_desc *of_find_gpio(struct device *dev,
21					     const char *con_id,
22					     unsigned int idx,
23					     unsigned long *lookupflags)
24{
25	return ERR_PTR(-ENOENT);
26}
27static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
28static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
29static inline int of_gpio_get_count(struct device *dev, const char *con_id)
30{
31	return 0;
32}
33static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
34{
35	return false;
36}
37static inline void of_gpio_dev_init(struct gpio_chip *gc,
38				    struct gpio_device *gdev)
39{
40}
41#endif /* CONFIG_OF_GPIO */
42
43extern struct notifier_block gpio_of_notifier;
44
45#endif /* GPIOLIB_OF_H */