29 static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc)  in gpio_to_device()  argument
41 			desc->dev = dev;  in gpio_to_device()
42 			desc->offset = gpio - uc_priv->gpio_base;  in gpio_to_device()
43 			desc->flags = 0;  in gpio_to_device()
52 int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc)  in dm_gpio_lookup_name()  argument
85 	desc->dev = dev;  in dm_gpio_lookup_name()
86 	desc->offset = offset;  in dm_gpio_lookup_name()
94 	struct gpio_desc desc;  in gpio_lookup_name()  local
99 	ret = dm_gpio_lookup_name(name, &desc);  in gpio_lookup_name()
104 		*devp = desc.dev;  in gpio_lookup_name()
106 		*offsetp = desc.offset;  in gpio_lookup_name()
108 		struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(desc.dev);  in gpio_lookup_name()
110 		*gpiop = uc_priv->gpio_base + desc.offset;  in gpio_lookup_name()
116 int gpio_xlate_offs_flags(struct udevice *dev, struct gpio_desc *desc,  in gpio_xlate_offs_flags()  argument
122 	desc->offset = args->args[0];  in gpio_xlate_offs_flags()
128 		desc->flags = GPIOD_ACTIVE_LOW;  in gpio_xlate_offs_flags()
133 static int gpio_find_and_xlate(struct gpio_desc *desc,  in gpio_find_and_xlate()  argument
136 	struct dm_gpio_ops *ops = gpio_get_ops(desc->dev);  in gpio_find_and_xlate()
139 		return ops->xlate(desc->dev, desc, args);  in gpio_find_and_xlate()
141 		return gpio_xlate_offs_flags(desc->dev, desc, args);  in gpio_find_and_xlate()
144 int dm_gpio_request(struct gpio_desc *desc, const char *label)  in dm_gpio_request()  argument
146 	struct udevice *dev = desc->dev;  in dm_gpio_request()
152 	if (uc_priv->name[desc->offset])  in dm_gpio_request()
158 		ret = gpio_get_ops(dev)->request(dev, desc->offset, label);  in dm_gpio_request()
164 	uc_priv->name[desc->offset] = str;  in dm_gpio_request()
169 static int dm_gpio_requestf(struct gpio_desc *desc, const char *fmt, ...)  in dm_gpio_requestf()  argument
178 	return dm_gpio_request(desc, buf);  in dm_gpio_requestf()
180 	return dm_gpio_request(desc, fmt);  in dm_gpio_requestf()
198 	struct gpio_desc desc;  in gpio_request()  local
201 	ret = gpio_to_device(gpio, &desc);  in gpio_request()
205 	return dm_gpio_request(&desc, label);  in gpio_request()
263 	struct gpio_desc desc;  in gpio_free()  local
266 	ret = gpio_to_device(gpio, &desc);  in gpio_free()
270 	return _dm_gpio_free(desc.dev, desc.offset);  in gpio_free()
273 static int check_reserved(const struct gpio_desc *desc, const char *func)  in check_reserved()  argument
277 	if (!dm_gpio_is_valid(desc))  in check_reserved()
280 	uc_priv = dev_get_uclass_priv(desc->dev);  in check_reserved()
281 	if (!uc_priv->name[desc->offset]) {  in check_reserved()
283 		       desc->dev->name, func,  in check_reserved()
285 		       desc->offset);  in check_reserved()
302 	struct gpio_desc desc;  in gpio_direction_input()  local
305 	ret = gpio_to_device(gpio, &desc);  in gpio_direction_input()
308 	ret = check_reserved(&desc, "dir_input");  in gpio_direction_input()
312 	return gpio_get_ops(desc.dev)->direction_input(desc.dev, desc.offset);  in gpio_direction_input()
326 	struct gpio_desc desc;  in gpio_direction_output()  local
329 	ret = gpio_to_device(gpio, &desc);  in gpio_direction_output()
332 	ret = check_reserved(&desc, "dir_output");  in gpio_direction_output()
336 	return gpio_get_ops(desc.dev)->direction_output(desc.dev,  in gpio_direction_output()
337 							desc.offset, value);  in gpio_direction_output()
340 int dm_gpio_get_value(const struct gpio_desc *desc)  in dm_gpio_get_value()  argument
345 	ret = check_reserved(desc, "get_value");  in dm_gpio_get_value()
349 	value = gpio_get_ops(desc->dev)->get_value(desc->dev, desc->offset);  in dm_gpio_get_value()
351 	return desc->flags & GPIOD_ACTIVE_LOW ? !value : value;  in dm_gpio_get_value()
354 int dm_gpio_set_value(const struct gpio_desc *desc, int value)  in dm_gpio_set_value()  argument
358 	ret = check_reserved(desc, "set_value");  in dm_gpio_set_value()
362 	if (desc->flags & GPIOD_ACTIVE_LOW)  in dm_gpio_set_value()
364 	gpio_get_ops(desc->dev)->set_value(desc->dev, desc->offset, value);  in dm_gpio_set_value()
368 int dm_gpio_get_open_drain(struct gpio_desc *desc)  in dm_gpio_get_open_drain()  argument
370 	struct dm_gpio_ops *ops = gpio_get_ops(desc->dev);  in dm_gpio_get_open_drain()
373 	ret = check_reserved(desc, "get_open_drain");  in dm_gpio_get_open_drain()
378 		return ops->get_open_drain(desc->dev, desc->offset);  in dm_gpio_get_open_drain()
383 int dm_gpio_set_open_drain(struct gpio_desc *desc, int value)  in dm_gpio_set_open_drain()  argument
385 	struct dm_gpio_ops *ops = gpio_get_ops(desc->dev);  in dm_gpio_set_open_drain()
388 	ret = check_reserved(desc, "set_open_drain");  in dm_gpio_set_open_drain()
393 		ret = ops->set_open_drain(desc->dev, desc->offset, value);  in dm_gpio_set_open_drain()
400 int dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags)  in dm_gpio_set_dir_flags()  argument
402 	struct udevice *dev = desc->dev;  in dm_gpio_set_dir_flags()
406 	ret = check_reserved(desc, "set_dir");  in dm_gpio_set_dir_flags()
415 		ret = ops->direction_output(dev, desc->offset, value);  in dm_gpio_set_dir_flags()
417 		ret = ops->direction_input(dev, desc->offset);  in dm_gpio_set_dir_flags()
425 	desc->flags = flags;  in dm_gpio_set_dir_flags()
430 int dm_gpio_set_dir(struct gpio_desc *desc)  in dm_gpio_set_dir()  argument
432 	return dm_gpio_set_dir_flags(desc, desc->flags);  in dm_gpio_set_dir()
448 	struct gpio_desc desc;  in gpio_get_value()  local
450 	ret = gpio_to_device(gpio, &desc);  in gpio_get_value()
453 	return dm_gpio_get_value(&desc);  in gpio_get_value()
467 	struct gpio_desc desc;  in gpio_set_value()  local
470 	ret = gpio_to_device(gpio, &desc);  in gpio_set_value()
473 	return dm_gpio_set_value(&desc, value);  in gpio_set_value()
646 			     struct gpio_desc *desc, int flags, bool add_index)  in gpio_request_tail()  argument
648 	desc->dev = NULL;  in gpio_request_tail()
649 	desc->offset = 0;  in gpio_request_tail()
650 	desc->flags = 0;  in gpio_request_tail()
655 					  &desc->dev);  in gpio_request_tail()
660 	ret = gpio_find_and_xlate(desc, args);  in gpio_request_tail()
665 	ret = dm_gpio_requestf(desc, add_index ? "%s.%s%d" : "%s.%s",  in gpio_request_tail()
672 	ret = dm_gpio_set_dir_flags(desc, flags | desc->flags);  in gpio_request_tail()
686 				       int index, struct gpio_desc *desc,  in _gpio_request_by_name_nodev()  argument
695 	return gpio_request_tail(ret, node, &args, list_name, index, desc,  in _gpio_request_by_name_nodev()
700 			       struct gpio_desc *desc, int flags)  in gpio_request_by_name_nodev()  argument
702 	return _gpio_request_by_name_nodev(node, list_name, index, desc, flags,  in gpio_request_by_name_nodev()
707 			 struct gpio_desc *desc, int flags)  in gpio_request_by_name()  argument
716 				 index, desc, flags, index > 0);  in gpio_request_by_name()
720 				    struct gpio_desc *desc, int max_count,  in gpio_request_list_by_name_nodev()  argument
728 						  &desc[count], flags, true);  in gpio_request_list_by_name_nodev()
739 	gpio_free_list_nodev(desc, count - 1);  in gpio_request_list_by_name_nodev()
745 			      struct gpio_desc *desc, int max_count,  in gpio_request_list_by_name()  argument
753 	return gpio_request_list_by_name_nodev(dev_ofnode(dev), list_name, desc,  in gpio_request_list_by_name()
772 int dm_gpio_free(struct udevice *dev, struct gpio_desc *desc)  in dm_gpio_free()  argument
775 	return _dm_gpio_free(desc->dev, desc->offset);  in dm_gpio_free()
778 int gpio_free_list(struct udevice *dev, struct gpio_desc *desc, int count)  in gpio_free_list()  argument
784 		dm_gpio_free(dev, &desc[i]);  in gpio_free_list()
789 int gpio_free_list_nodev(struct gpio_desc *desc, int count)  in gpio_free_list_nodev()  argument
791 	return gpio_free_list(NULL, desc, count);  in gpio_free_list_nodev()
820 int gpio_get_number(const struct gpio_desc *desc)  in gpio_get_number()  argument
822 	struct udevice *dev = desc->dev;  in gpio_get_number()
829 	return uc_priv->gpio_base + desc->offset;  in gpio_get_number()