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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef GPIOLIB_OF_H
- #define GPIOLIB_OF_H
- struct gpio_chip;
- enum of_gpio_flags;
- #ifdef CONFIG_OF_GPIO
- struct gpio_desc *of_find_gpio(struct device *dev,
- const char *con_id,
- unsigned int idx,
- unsigned long *lookupflags);
- int of_gpiochip_add(struct gpio_chip *gc);
- void of_gpiochip_remove(struct gpio_chip *gc);
- int of_gpio_get_count(struct device *dev, const char *con_id);
- bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
- void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
- #else
- static inline struct gpio_desc *of_find_gpio(struct device *dev,
- const char *con_id,
- unsigned int idx,
- unsigned long *lookupflags)
- {
- return ERR_PTR(-ENOENT);
- }
- static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
- static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
- static inline int of_gpio_get_count(struct device *dev, const char *con_id)
- {
- return 0;
- }
- static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
- {
- return false;
- }
- static inline void of_gpio_dev_init(struct gpio_chip *gc,
- struct gpio_device *gdev)
- {
- }
- #endif /* CONFIG_OF_GPIO */
- extern struct notifier_block gpio_of_notifier;
- #endif /* GPIOLIB_OF_H */
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