232 struct gpio_chip {  struct
238 	int			(*request)(struct gpio_chip *chip,  argument
240 	void			(*free)(struct gpio_chip *chip,  argument
242 	int			(*get_direction)(struct gpio_chip *chip,  argument
244 	int			(*direction_input)(struct gpio_chip *chip,  argument
246 	int			(*direction_output)(struct gpio_chip *chip,  argument
248 	int			(*get)(struct gpio_chip *chip,  argument
250 	int			(*get_multiple)(struct gpio_chip *chip,  argument
253 	void			(*set)(struct gpio_chip *chip,  argument
255 	void			(*set_multiple)(struct gpio_chip *chip,  argument
258 	int			(*set_config)(struct gpio_chip *chip,  argument
261 	int			(*to_irq)(struct gpio_chip *chip,  argument
265 						struct gpio_chip *chip);  argument
342 	int (*of_xlate)(struct gpio_chip *gc,  argument
347 extern const char *gpiochip_is_requested(struct gpio_chip *chip,
351 extern int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data,
389 static inline int gpiochip_add(struct gpio_chip *chip)  in gpiochip_add()
393 extern void gpiochip_remove(struct gpio_chip *chip);
394 extern int devm_gpiochip_add_data(struct device *dev, struct gpio_chip *chip,
396 extern void devm_gpiochip_remove(struct device *dev, struct gpio_chip *chip);
398 extern struct gpio_chip *gpiochip_find(void *data,
399 			      int (*match)(struct gpio_chip *chip, void *data));
402 int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset);
403 void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset);
404 bool gpiochip_line_is_irq(struct gpio_chip *chip, unsigned int offset);
407 bool gpiochip_line_is_open_drain(struct gpio_chip *chip, unsigned int offset);
408 bool gpiochip_line_is_open_source(struct gpio_chip *chip, unsigned int offset);
411 bool gpiochip_line_is_persistent(struct gpio_chip *chip, unsigned int offset);
412 bool gpiochip_line_is_valid(const struct gpio_chip *chip, unsigned int offset);
415 void *gpiochip_get_data(struct gpio_chip *chip);
417 struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);
427 int bgpio_init(struct gpio_chip *gc, struct device *dev,
447 void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,
452 void gpiochip_set_nested_irqchip(struct gpio_chip *gpiochip,
456 int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip,
465 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
476 static inline int gpiochip_irqchip_add(struct gpio_chip *gpiochip,  in gpiochip_irqchip_add()
490 static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gpiochip,  in gpiochip_irqchip_add_nested()
505 static inline int gpiochip_irqchip_add(struct gpio_chip *gpiochip,  in gpiochip_irqchip_add()
515 static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gpiochip,  in gpiochip_irqchip_add_nested()
528 int gpiochip_generic_request(struct gpio_chip *chip, unsigned offset);
529 void gpiochip_generic_free(struct gpio_chip *chip, unsigned offset);
530 int gpiochip_generic_config(struct gpio_chip *chip, unsigned offset,
547 int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
550 int gpiochip_add_pingroup_range(struct gpio_chip *chip,
553 void gpiochip_remove_pin_ranges(struct gpio_chip *chip);
558 gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,  in gpiochip_add_pin_range()
565 gpiochip_add_pingroup_range(struct gpio_chip *chip,  in gpiochip_add_pingroup_range()
573 gpiochip_remove_pin_ranges(struct gpio_chip *chip)  in gpiochip_remove_pin_ranges()
579 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *chip, u16 hwnum,
585 static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)  in gpiod_to_chip()