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 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 /* CONFIG_OF_GPIO */ 37 38 extern struct notifier_block gpio_of_notifier; 39 40 #endif /* GPIOLIB_OF_H */ 41