| /* SPDX-License-Identifier: GPL-2.0 */ |
| |
| #ifndef GPIOLIB_OF_H |
| #define GPIOLIB_OF_H |
| |
| #include <linux/err.h> |
| #include <linux/errno.h> |
| #include <linux/types.h> |
| |
| #include <linux/notifier.h> |
| |
| struct device; |
| |
| struct gpio_chip; |
| struct gpio_desc; |
| struct gpio_device; |
| |
| #ifdef CONFIG_OF_GPIO |
| struct gpio_desc *of_find_gpio(struct device_node *np, |
| 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); |
| #else |
| static inline struct gpio_desc *of_find_gpio(struct device_node *np, |
| 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; |
| } |
| #endif /* CONFIG_OF_GPIO */ |
| |
| extern struct notifier_block gpio_of_notifier; |
| |
| #endif /* GPIOLIB_OF_H */ |
