This source file includes following definitions.
- of_find_gpio
- of_gpiochip_add
- of_gpiochip_remove
- of_gpio_get_count
- of_gpio_need_valid_mask
1
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
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 }
26 static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
27 static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
28 static inline int of_gpio_get_count(struct device *dev, const char *con_id)
29 {
30 return 0;
31 }
32 static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
33 {
34 return false;
35 }
36 #endif
37
38 #endif