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