24 struct gpio_chip;
91 	int (*child_to_parent_hwirq)(struct gpio_chip *gc,
106 	void *(*populate_parent_alloc_arg)(struct gpio_chip *gc,
118 	unsigned int (*child_offset_to_irq)(struct gpio_chip *gc,
213 	int (*init_hw)(struct gpio_chip *gc);
224 	void (*init_valid_mask)(struct gpio_chip *gc,
369 struct gpio_chip {  struct
375 	int			(*request)(struct gpio_chip *gc,  argument
377 	void			(*free)(struct gpio_chip *gc,  argument
379 	int			(*get_direction)(struct gpio_chip *gc,  argument
381 	int			(*direction_input)(struct gpio_chip *gc,  argument
383 	int			(*direction_output)(struct gpio_chip *gc,  argument
385 	int			(*get)(struct gpio_chip *gc,  argument
387 	int			(*get_multiple)(struct gpio_chip *gc,  argument
390 	void			(*set)(struct gpio_chip *gc,  argument
392 	void			(*set_multiple)(struct gpio_chip *gc,  argument
395 	int			(*set_config)(struct gpio_chip *gc,  argument
398 	int			(*to_irq)(struct gpio_chip *gc,  argument
402 						struct gpio_chip *gc);  argument
404 	int			(*init_valid_mask)(struct gpio_chip *gc,  argument
408 	int			(*add_pin_ranges)(struct gpio_chip *gc);  argument
480 	int (*of_xlate)(struct gpio_chip *gc,  argument
488 extern const char *gpiochip_is_requested(struct gpio_chip *gc,
508 extern int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
554 static inline int gpiochip_add(struct gpio_chip *gc)  in gpiochip_add()
558 extern void gpiochip_remove(struct gpio_chip *gc);
559 extern int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc, void *data,
563 extern struct gpio_chip *gpiochip_find(void *data,
564 			      int (*match)(struct gpio_chip *gc, void *data));
566 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset);
567 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset);
568 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset);
569 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset);
570 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset);
573 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset);
574 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset);
577 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset);
578 bool gpiochip_line_is_valid(const struct gpio_chip *gc, unsigned int offset);
581 void *gpiochip_get_data(struct gpio_chip *gc);
591 void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc,
594 void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc,
600 static inline void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc,  in gpiochip_populate_parent_fwspec_twocell()
607 static inline void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc,  in gpiochip_populate_parent_fwspec_fourcell()
616 int bgpio_init(struct gpio_chip *gc, struct device *dev,
638 void gpiochip_set_nested_irqchip(struct gpio_chip *gc,
642 int gpiochip_irqchip_add_key(struct gpio_chip *gc,
651 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc,
655 int gpiochip_irqchip_add_domain(struct gpio_chip *gc,
658 static inline int gpiochip_irqchip_add_domain(struct gpio_chip *gc,  in gpiochip_irqchip_add_domain()
674 static inline int gpiochip_irqchip_add(struct gpio_chip *gc,  in gpiochip_irqchip_add()
688 static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gc,  in gpiochip_irqchip_add_nested()
703 static inline int gpiochip_irqchip_add(struct gpio_chip *gc,  in gpiochip_irqchip_add()
713 static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gc,  in gpiochip_irqchip_add_nested()
724 int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset);
725 void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset);
726 int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset,
743 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name,
746 int gpiochip_add_pingroup_range(struct gpio_chip *gc,
749 void gpiochip_remove_pin_ranges(struct gpio_chip *gc);
754 gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name,  in gpiochip_add_pin_range()
761 gpiochip_add_pingroup_range(struct gpio_chip *gc,  in gpiochip_add_pingroup_range()
769 gpiochip_remove_pin_ranges(struct gpio_chip *gc)  in gpiochip_remove_pin_ranges()
775 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
785 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset);
786 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset);
789 struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);
793 static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)  in gpiod_to_chip()
800 static inline int gpiochip_lock_as_irq(struct gpio_chip *gc,  in gpiochip_lock_as_irq()
807 static inline void gpiochip_unlock_as_irq(struct gpio_chip *gc,  in gpiochip_unlock_as_irq()