1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright (C) 2011 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
27 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_check_ops()
30 	if (!ops->pin_config_set && !ops->pin_config_group_set) {  in pinconf_check_ops()
31 		dev_err(pctldev->dev,  in pinconf_check_ops()
33 		return -EINVAL;  in pinconf_check_ops()
38 int pinconf_validate_map(const struct pinctrl_map *map, int i)  in pinconf_validate_map()  argument
40 	if (!map->data.configs.group_or_pin) {  in pinconf_validate_map()
41 		pr_err("failed to register map %s (%d): no group/pin given\n",  in pinconf_validate_map()
42 		       map->name, i);  in pinconf_validate_map()
43 		return -EINVAL;  in pinconf_validate_map()
46 	if (!map->data.configs.num_configs ||  in pinconf_validate_map()
47 			!map->data.configs.configs) {  in pinconf_validate_map()
48 		pr_err("failed to register map %s (%d): no configs given\n",  in pinconf_validate_map()
49 		       map->name, i);  in pinconf_validate_map()
50 		return -EINVAL;  in pinconf_validate_map()
59 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pin_config_get_for_pin()
61 	if (!ops || !ops->pin_config_get) {  in pin_config_get_for_pin()
62 		dev_dbg(pctldev->dev,  in pin_config_get_for_pin()
64 		return -ENOTSUPP;  in pin_config_get_for_pin()
67 	return ops->pin_config_get(pctldev, pin, config);  in pin_config_get_for_pin()
79 		ret = -EINVAL;  in pin_config_group_get()
83 	mutex_lock(&pctldev->mutex);  in pin_config_group_get()
85 	ops = pctldev->desc->confops;  in pin_config_group_get()
87 	if (!ops || !ops->pin_config_group_get) {  in pin_config_group_get()
88 		dev_dbg(pctldev->dev,  in pin_config_group_get()
90 		ret = -ENOTSUPP;  in pin_config_group_get()
100 	ret = ops->pin_config_group_get(pctldev, selector, config);  in pin_config_group_get()
103 	mutex_unlock(&pctldev->mutex);  in pin_config_group_get()
107 int pinconf_map_to_setting(const struct pinctrl_map *map,  in pinconf_map_to_setting()  argument
110 	struct pinctrl_dev *pctldev = setting->pctldev;  in pinconf_map_to_setting()
113 	switch (setting->type) {  in pinconf_map_to_setting()
116 					map->data.configs.group_or_pin);  in pinconf_map_to_setting()
118 			dev_err(pctldev->dev, "could not map pin config for \"%s\"",  in pinconf_map_to_setting()
119 				map->data.configs.group_or_pin);  in pinconf_map_to_setting()
122 		setting->data.configs.group_or_pin = pin;  in pinconf_map_to_setting()
126 					 map->data.configs.group_or_pin);  in pinconf_map_to_setting()
128 			dev_err(pctldev->dev, "could not map group config for \"%s\"",  in pinconf_map_to_setting()
129 				map->data.configs.group_or_pin);  in pinconf_map_to_setting()
132 		setting->data.configs.group_or_pin = pin;  in pinconf_map_to_setting()
135 		return -EINVAL;  in pinconf_map_to_setting()
138 	setting->data.configs.num_configs = map->data.configs.num_configs;  in pinconf_map_to_setting()
139 	setting->data.configs.configs = map->data.configs.configs;  in pinconf_map_to_setting()
150 	struct pinctrl_dev *pctldev = setting->pctldev;  in pinconf_apply_setting()
151 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_apply_setting()
155 		dev_err(pctldev->dev, "missing confops\n");  in pinconf_apply_setting()
156 		return -EINVAL;  in pinconf_apply_setting()
159 	switch (setting->type) {  in pinconf_apply_setting()
161 		if (!ops->pin_config_set) {  in pinconf_apply_setting()
162 			dev_err(pctldev->dev, "missing pin_config_set op\n");  in pinconf_apply_setting()
163 			return -EINVAL;  in pinconf_apply_setting()
165 		ret = ops->pin_config_set(pctldev,  in pinconf_apply_setting()
166 				setting->data.configs.group_or_pin,  in pinconf_apply_setting()
167 				setting->data.configs.configs,  in pinconf_apply_setting()
168 				setting->data.configs.num_configs);  in pinconf_apply_setting()
170 			dev_err(pctldev->dev,  in pinconf_apply_setting()
172 				setting->data.configs.group_or_pin);  in pinconf_apply_setting()
177 		if (!ops->pin_config_group_set) {  in pinconf_apply_setting()
178 			dev_err(pctldev->dev,  in pinconf_apply_setting()
180 			return -EINVAL;  in pinconf_apply_setting()
182 		ret = ops->pin_config_group_set(pctldev,  in pinconf_apply_setting()
183 				setting->data.configs.group_or_pin,  in pinconf_apply_setting()
184 				setting->data.configs.configs,  in pinconf_apply_setting()
185 				setting->data.configs.num_configs);  in pinconf_apply_setting()
187 			dev_err(pctldev->dev,  in pinconf_apply_setting()
189 				setting->data.configs.group_or_pin);  in pinconf_apply_setting()
194 		return -EINVAL;  in pinconf_apply_setting()
205 	ops = pctldev->desc->confops;  in pinconf_set_config()
206 	if (!ops || !ops->pin_config_set)  in pinconf_set_config()
207 		return -ENOTSUPP;  in pinconf_set_config()
209 	return ops->pin_config_set(pctldev, pin, configs, nconfigs);  in pinconf_set_config()
221 		confops = pctldev->desc->confops;  in pinconf_show_config()
227 		if (confops && confops->pin_config_config_dbg_show)  in pinconf_show_config()
228 			confops->pin_config_config_dbg_show(pctldev, s,  in pinconf_show_config()
236 void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map)  in pinconf_show_map()  argument
240 	pctldev = get_pinctrl_dev_from_devname(map->ctrl_dev_name);  in pinconf_show_map()
242 	switch (map->type) {  in pinconf_show_map()
253 	seq_printf(s, "%s\n", map->data.configs.group_or_pin);  in pinconf_show_map()
255 	pinconf_show_config(s, pctldev, map->data.configs.configs,  in pinconf_show_map()
256 			    map->data.configs.num_configs);  in pinconf_show_map()
262 	struct pinctrl_dev *pctldev = setting->pctldev;  in pinconf_show_setting()
263 	const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;  in pinconf_show_setting()
266 	switch (setting->type) {  in pinconf_show_setting()
268 		desc = pin_desc_get(setting->pctldev,  in pinconf_show_setting()
269 				    setting->data.configs.group_or_pin);  in pinconf_show_setting()
270 		seq_printf(s, "pin %s (%d)", desc->name,  in pinconf_show_setting()
271 			   setting->data.configs.group_or_pin);  in pinconf_show_setting()
275 			   pctlops->get_group_name(pctldev,  in pinconf_show_setting()
276 					setting->data.configs.group_or_pin),  in pinconf_show_setting()
277 			   setting->data.configs.group_or_pin);  in pinconf_show_setting()
287 	pinconf_show_config(s, pctldev, setting->data.configs.configs,  in pinconf_show_setting()
288 			    setting->data.configs.num_configs);  in pinconf_show_setting()
294 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_dump_pin()
296 	/* no-op when not using generic pin config */  in pinconf_dump_pin()
298 	if (ops && ops->pin_config_dbg_show)  in pinconf_dump_pin()
299 		ops->pin_config_dbg_show(pctldev, s, pin);  in pinconf_dump_pin()
304 	struct pinctrl_dev *pctldev = s->private;  in pinconf_pins_show()
310 	mutex_lock(&pctldev->mutex);  in pinconf_pins_show()
313 	for (i = 0; i < pctldev->desc->npins; i++) {  in pinconf_pins_show()
316 		pin = pctldev->desc->pins[i].number;  in pinconf_pins_show()
322 		seq_printf(s, "pin %d (%s): ", pin, desc->name);  in pinconf_pins_show()
328 	mutex_unlock(&pctldev->mutex);  in pinconf_pins_show()
337 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_dump_group()
339 	/* no-op when not using generic pin config */  in pinconf_dump_group()
341 	if (ops && ops->pin_config_group_dbg_show)  in pinconf_dump_group()
342 		ops->pin_config_group_dbg_show(pctldev, s, selector);  in pinconf_dump_group()
347 	struct pinctrl_dev *pctldev = s->private;  in pinconf_groups_show()
348 	const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;  in pinconf_groups_show()
349 	unsigned ngroups = pctlops->get_groups_count(pctldev);  in pinconf_groups_show()
356 		const char *gname = pctlops->get_group_name(pctldev, selector);  in pinconf_groups_show()
373 	debugfs_create_file("pinconf-pins", 0444,  in pinconf_init_device_debugfs()
375 	debugfs_create_file("pinconf-groups", 0444,  in pinconf_init_device_debugfs()