1f626d6dfSLinus Walleij /* SPDX-License-Identifier: GPL-2.0 */ 2f626d6dfSLinus Walleij 3f626d6dfSLinus Walleij #ifndef GPIOLIB_OF_H 4f626d6dfSLinus Walleij #define GPIOLIB_OF_H 5f626d6dfSLinus Walleij 6*08a149c4SAndy Shevchenko #include <linux/err.h> 7*08a149c4SAndy Shevchenko #include <linux/errno.h> 8*08a149c4SAndy Shevchenko #include <linux/types.h> 9*08a149c4SAndy Shevchenko 10*08a149c4SAndy Shevchenko #include <linux/notifier.h> 11*08a149c4SAndy Shevchenko 12*08a149c4SAndy Shevchenko struct device; 13*08a149c4SAndy Shevchenko 14f626d6dfSLinus Walleij struct gpio_chip; 15*08a149c4SAndy Shevchenko struct gpio_desc; 16*08a149c4SAndy Shevchenko struct gpio_device; 17f626d6dfSLinus Walleij 18f626d6dfSLinus Walleij #ifdef CONFIG_OF_GPIO 19f626d6dfSLinus Walleij struct gpio_desc *of_find_gpio(struct device *dev, 20f626d6dfSLinus Walleij const char *con_id, 21f626d6dfSLinus Walleij unsigned int idx, 22f626d6dfSLinus Walleij unsigned long *lookupflags); 23f626d6dfSLinus Walleij int of_gpiochip_add(struct gpio_chip *gc); 24f626d6dfSLinus Walleij void of_gpiochip_remove(struct gpio_chip *gc); 25f626d6dfSLinus Walleij int of_gpio_get_count(struct device *dev, const char *con_id); 2649281a22SStephen Boyd bool of_gpio_need_valid_mask(const struct gpio_chip *gc); 274731210cSSaravana Kannan void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev); 28f626d6dfSLinus Walleij #else 29f626d6dfSLinus Walleij static inline struct gpio_desc *of_find_gpio(struct device *dev, 30f626d6dfSLinus Walleij const char *con_id, 31f626d6dfSLinus Walleij unsigned int idx, 32f626d6dfSLinus Walleij unsigned long *lookupflags) 33f626d6dfSLinus Walleij { 34f626d6dfSLinus Walleij return ERR_PTR(-ENOENT); 35f626d6dfSLinus Walleij } 36f626d6dfSLinus Walleij static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; } 37f626d6dfSLinus Walleij static inline void of_gpiochip_remove(struct gpio_chip *gc) { } 38f626d6dfSLinus Walleij static inline int of_gpio_get_count(struct device *dev, const char *con_id) 39f626d6dfSLinus Walleij { 40f626d6dfSLinus Walleij return 0; 41f626d6dfSLinus Walleij } 4249281a22SStephen Boyd static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc) 43f626d6dfSLinus Walleij { 44f626d6dfSLinus Walleij return false; 45f626d6dfSLinus Walleij } 464731210cSSaravana Kannan static inline void of_gpio_dev_init(struct gpio_chip *gc, 474731210cSSaravana Kannan struct gpio_device *gdev) 484731210cSSaravana Kannan { 494731210cSSaravana Kannan } 50f626d6dfSLinus Walleij #endif /* CONFIG_OF_GPIO */ 51f626d6dfSLinus Walleij 5263636d95SGeert Uytterhoeven extern struct notifier_block gpio_of_notifier; 5363636d95SGeert Uytterhoeven 54f626d6dfSLinus Walleij #endif /* GPIOLIB_OF_H */ 55