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);
18#else
19static 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}
26static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
27static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
28static inline int of_gpio_get_count(struct device *dev, const char *con_id)
29{
30	return 0;
31}
32static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
 
33{
34	return false;
35}
36#endif /* CONFIG_OF_GPIO */
37
38extern struct notifier_block gpio_of_notifier;
39
40#endif /* GPIOLIB_OF_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3#ifndef GPIOLIB_OF_H
 4#define GPIOLIB_OF_H
 5
 6#include <linux/err.h>
 7#include <linux/errno.h>
 8#include <linux/types.h>
 9
10#include <linux/notifier.h>
11
12struct device;
13
14struct gpio_chip;
15struct gpio_desc;
16struct gpio_device;
17
18#ifdef CONFIG_OF_GPIO
19struct gpio_desc *of_find_gpio(struct device_node *np,
20			       const char *con_id,
21			       unsigned int idx,
22			       unsigned long *lookupflags);
23int of_gpiochip_add(struct gpio_chip *gc);
24void of_gpiochip_remove(struct gpio_chip *gc);
25int of_gpio_get_count(struct device *dev, const char *con_id);
26void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
27#else
28static inline struct gpio_desc *of_find_gpio(struct device_node *np,
29					     const char *con_id,
30					     unsigned int idx,
31					     unsigned long *lookupflags)
32{
33	return ERR_PTR(-ENOENT);
34}
35static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
36static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
37static inline int of_gpio_get_count(struct device *dev, const char *con_id)
38{
39	return 0;
40}
41static inline void of_gpio_dev_init(struct gpio_chip *gc,
42				    struct gpio_device *gdev)
43{
 
44}
45#endif /* CONFIG_OF_GPIO */
46
47extern struct notifier_block gpio_of_notifier;
48
49#endif /* GPIOLIB_OF_H */