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