projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| f626d6df LW |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | ||
| 3 | #ifndef GPIOLIB_OF_H | |
| 4 | #define GPIOLIB_OF_H | |
| 5 | ||
| 08a149c4 | 6 | #include <linux/err.h> |
| 08a149c4 AS |
7 | #include <linux/types.h> |
| 8 | ||
| 9 | #include <linux/notifier.h> | |
| 10 | ||
| 11 | struct device; | |
| 12 | ||
| f626d6df | 13 | struct gpio_chip; |
| 08a149c4 AS |
14 | struct gpio_desc; |
| 15 | struct gpio_device; | |
| f626d6df LW |
16 | |
| 17 | #ifdef CONFIG_OF_GPIO | |
| 07445ae1 | 18 | struct gpio_desc *of_find_gpio(struct device_node *np, |
| f626d6df LW |
19 | const char *con_id, |
| 20 | unsigned int idx, | |
| 21 | unsigned long *lookupflags); | |
| f626d6df LW |
22 | int of_gpiochip_add(struct gpio_chip *gc); |
| 23 | void of_gpiochip_remove(struct gpio_chip *gc); | |
| 24 | int of_gpio_get_count(struct device *dev, const char *con_id); | |
| f626d6df | 25 | #else |
| 07445ae1 | 26 | static inline struct gpio_desc *of_find_gpio(struct device_node *np, |
| f626d6df LW |
27 | const char *con_id, |
| 28 | unsigned int idx, | |
| 29 | unsigned long *lookupflags) | |
| 30 | { | |
| 31 | return ERR_PTR(-ENOENT); | |
| 32 | } | |
| f626d6df LW |
33 | static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; } |
| 34 | static inline void of_gpiochip_remove(struct gpio_chip *gc) { } | |
| 35 | static inline int of_gpio_get_count(struct device *dev, const char *con_id) | |
| 36 | { | |
| 37 | return 0; | |
| 38 | } | |
| f626d6df LW |
39 | #endif /* CONFIG_OF_GPIO */ |
| 40 | ||
| 63636d95 GU |
41 | extern struct notifier_block gpio_of_notifier; |
| 42 | ||
| f626d6df | 43 | #endif /* GPIOLIB_OF_H */ |