26 struct gpio_chip;
100 	int (*child_to_parent_hwirq)(struct gpio_chip *gc,
115 	int (*populate_parent_alloc_arg)(struct gpio_chip *gc,
128 	unsigned int (*child_offset_to_irq)(struct gpio_chip *gc,
253 	int (*init_hw)(struct gpio_chip *gc);
264 	void (*init_valid_mask)(struct gpio_chip *gc,
407 struct gpio_chip {  struct
414 	int			(*request)(struct gpio_chip *gc,  argument
416 	void			(*free)(struct gpio_chip *gc,  argument
418 	int			(*get_direction)(struct gpio_chip *gc,  argument
420 	int			(*direction_input)(struct gpio_chip *gc,  argument
422 	int			(*direction_output)(struct gpio_chip *gc,  argument
424 	int			(*get)(struct gpio_chip *gc,  argument
426 	int			(*get_multiple)(struct gpio_chip *gc,  argument
429 	void			(*set)(struct gpio_chip *gc,  argument
431 	void			(*set_multiple)(struct gpio_chip *gc,  argument
434 	int			(*set_config)(struct gpio_chip *gc,  argument
437 	int			(*to_irq)(struct gpio_chip *gc,  argument
441 						struct gpio_chip *gc);  argument
443 	int			(*init_valid_mask)(struct gpio_chip *gc,  argument
447 	int			(*add_pin_ranges)(struct gpio_chip *gc);  argument
449 	int			(*en_hw_timestamp)(struct gpio_chip *gc,  argument
452 	int			(*dis_hw_timestamp)(struct gpio_chip *gc,  argument
526 	int (*of_xlate)(struct gpio_chip *gc,  argument
537 	int (*of_gpio_ranges_fallback)(struct gpio_chip *gc,  argument
543 extern const char *gpiochip_is_requested(struct gpio_chip *gc,
563 extern int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
609 static inline int gpiochip_add(struct gpio_chip *gc)  in gpiochip_add()
613 extern void gpiochip_remove(struct gpio_chip *gc);
614 extern int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc, void *data,
618 extern struct gpio_chip *gpiochip_find(void *data,
619 			      int (*match)(struct gpio_chip *gc, void *data));
621 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset);
622 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset);
623 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset);
624 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset);
625 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset);
644 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset);
645 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset);
648 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset);
649 bool gpiochip_line_is_valid(const struct gpio_chip *gc, unsigned int offset);
652 void *gpiochip_get_data(struct gpio_chip *gc);
662 int gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc,
666 int gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc,
673 int bgpio_init(struct gpio_chip *gc, struct device *dev,
695 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc,
699 int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
702 static inline int gpiochip_irqchip_add_domain(struct gpio_chip *gc,  in gpiochip_irqchip_add_domain()
710 int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset);
711 void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset);
712 int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset,
729 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name,
732 int gpiochip_add_pingroup_range(struct gpio_chip *gc,
735 void gpiochip_remove_pin_ranges(struct gpio_chip *gc);
740 gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name,  in gpiochip_add_pin_range()
747 gpiochip_add_pingroup_range(struct gpio_chip *gc,  in gpiochip_add_pingroup_range()
755 gpiochip_remove_pin_ranges(struct gpio_chip *gc)  in gpiochip_remove_pin_ranges()
761 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
771 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset);
772 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset);
775 struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);
779 static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)  in gpiod_to_chip()
786 static inline int gpiochip_lock_as_irq(struct gpio_chip *gc,  in gpiochip_lock_as_irq()
793 static inline void gpiochip_unlock_as_irq(struct gpio_chip *gc,  in gpiochip_unlock_as_irq()