1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright (C) 2011 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
29 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_check_ops()
32 	if (!ops->pin_config_set && !ops->pin_config_group_set) {  in pinconf_check_ops()
33 		dev_err(pctldev->dev,  in pinconf_check_ops()
35 		return -EINVAL;  in pinconf_check_ops()
40 int pinconf_validate_map(const struct pinctrl_map *map, int i)  in pinconf_validate_map()  argument
42 	if (!map->data.configs.group_or_pin) {  in pinconf_validate_map()
43 		pr_err("failed to register map %s (%d): no group/pin given\n",  in pinconf_validate_map()
44 		       map->name, i);  in pinconf_validate_map()
45 		return -EINVAL;  in pinconf_validate_map()
48 	if (!map->data.configs.num_configs ||  in pinconf_validate_map()
49 			!map->data.configs.configs) {  in pinconf_validate_map()
50 		pr_err("failed to register map %s (%d): no configs given\n",  in pinconf_validate_map()
51 		       map->name, i);  in pinconf_validate_map()
52 		return -EINVAL;  in pinconf_validate_map()
61 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pin_config_get_for_pin()
63 	if (!ops || !ops->pin_config_get) {  in pin_config_get_for_pin()
64 		dev_dbg(pctldev->dev,  in pin_config_get_for_pin()
66 		return -ENOTSUPP;  in pin_config_get_for_pin()
69 	return ops->pin_config_get(pctldev, pin, config);  in pin_config_get_for_pin()
81 		ret = -EINVAL;  in pin_config_group_get()
85 	mutex_lock(&pctldev->mutex);  in pin_config_group_get()
87 	ops = pctldev->desc->confops;  in pin_config_group_get()
89 	if (!ops || !ops->pin_config_group_get) {  in pin_config_group_get()
90 		dev_dbg(pctldev->dev,  in pin_config_group_get()
92 		ret = -ENOTSUPP;  in pin_config_group_get()
102 	ret = ops->pin_config_group_get(pctldev, selector, config);  in pin_config_group_get()
105 	mutex_unlock(&pctldev->mutex);  in pin_config_group_get()
109 int pinconf_map_to_setting(const struct pinctrl_map *map,  in pinconf_map_to_setting()  argument
112 	struct pinctrl_dev *pctldev = setting->pctldev;  in pinconf_map_to_setting()
115 	switch (setting->type) {  in pinconf_map_to_setting()
118 					map->data.configs.group_or_pin);  in pinconf_map_to_setting()
120 			dev_err(pctldev->dev, "could not map pin config for \"%s\"",  in pinconf_map_to_setting()
121 				map->data.configs.group_or_pin);  in pinconf_map_to_setting()
124 		setting->data.configs.group_or_pin = pin;  in pinconf_map_to_setting()
128 					 map->data.configs.group_or_pin);  in pinconf_map_to_setting()
130 			dev_err(pctldev->dev, "could not map group config for \"%s\"",  in pinconf_map_to_setting()
131 				map->data.configs.group_or_pin);  in pinconf_map_to_setting()
134 		setting->data.configs.group_or_pin = pin;  in pinconf_map_to_setting()
137 		return -EINVAL;  in pinconf_map_to_setting()
140 	setting->data.configs.num_configs = map->data.configs.num_configs;  in pinconf_map_to_setting()
141 	setting->data.configs.configs = map->data.configs.configs;  in pinconf_map_to_setting()
152 	struct pinctrl_dev *pctldev = setting->pctldev;  in pinconf_apply_setting()
153 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_apply_setting()
157 		dev_err(pctldev->dev, "missing confops\n");  in pinconf_apply_setting()
158 		return -EINVAL;  in pinconf_apply_setting()
161 	switch (setting->type) {  in pinconf_apply_setting()
163 		if (!ops->pin_config_set) {  in pinconf_apply_setting()
164 			dev_err(pctldev->dev, "missing pin_config_set op\n");  in pinconf_apply_setting()
165 			return -EINVAL;  in pinconf_apply_setting()
167 		ret = ops->pin_config_set(pctldev,  in pinconf_apply_setting()
168 				setting->data.configs.group_or_pin,  in pinconf_apply_setting()
169 				setting->data.configs.configs,  in pinconf_apply_setting()
170 				setting->data.configs.num_configs);  in pinconf_apply_setting()
172 			dev_err(pctldev->dev,  in pinconf_apply_setting()
174 				setting->data.configs.group_or_pin);  in pinconf_apply_setting()
179 		if (!ops->pin_config_group_set) {  in pinconf_apply_setting()
180 			dev_err(pctldev->dev,  in pinconf_apply_setting()
182 			return -EINVAL;  in pinconf_apply_setting()
184 		ret = ops->pin_config_group_set(pctldev,  in pinconf_apply_setting()
185 				setting->data.configs.group_or_pin,  in pinconf_apply_setting()
186 				setting->data.configs.configs,  in pinconf_apply_setting()
187 				setting->data.configs.num_configs);  in pinconf_apply_setting()
189 			dev_err(pctldev->dev,  in pinconf_apply_setting()
191 				setting->data.configs.group_or_pin);  in pinconf_apply_setting()
196 		return -EINVAL;  in pinconf_apply_setting()
207 	ops = pctldev->desc->confops;  in pinconf_set_config()
208 	if (!ops || !ops->pin_config_set)  in pinconf_set_config()
209 		return -ENOTSUPP;  in pinconf_set_config()
211 	return ops->pin_config_set(pctldev, pin, configs, nconfigs);  in pinconf_set_config()
223 		confops = pctldev->desc->confops;  in pinconf_show_config()
229 		if (confops && confops->pin_config_config_dbg_show)  in pinconf_show_config()
230 			confops->pin_config_config_dbg_show(pctldev, s,  in pinconf_show_config()
238 void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map)  in pinconf_show_map()  argument
242 	pctldev = get_pinctrl_dev_from_devname(map->ctrl_dev_name);  in pinconf_show_map()
244 	switch (map->type) {  in pinconf_show_map()
255 	seq_printf(s, "%s\n", map->data.configs.group_or_pin);  in pinconf_show_map()
257 	pinconf_show_config(s, pctldev, map->data.configs.configs,  in pinconf_show_map()
258 			    map->data.configs.num_configs);  in pinconf_show_map()
264 	struct pinctrl_dev *pctldev = setting->pctldev;  in pinconf_show_setting()
265 	const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;  in pinconf_show_setting()
268 	switch (setting->type) {  in pinconf_show_setting()
270 		desc = pin_desc_get(setting->pctldev,  in pinconf_show_setting()
271 				    setting->data.configs.group_or_pin);  in pinconf_show_setting()
272 		seq_printf(s, "pin %s (%d)", desc->name,  in pinconf_show_setting()
273 			   setting->data.configs.group_or_pin);  in pinconf_show_setting()
277 			   pctlops->get_group_name(pctldev,  in pinconf_show_setting()
278 					setting->data.configs.group_or_pin),  in pinconf_show_setting()
279 			   setting->data.configs.group_or_pin);  in pinconf_show_setting()
289 	pinconf_show_config(s, pctldev, setting->data.configs.configs,  in pinconf_show_setting()
290 			    setting->data.configs.num_configs);  in pinconf_show_setting()
296 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_dump_pin()
298 	/* no-op when not using generic pin config */  in pinconf_dump_pin()
300 	if (ops && ops->pin_config_dbg_show)  in pinconf_dump_pin()
301 		ops->pin_config_dbg_show(pctldev, s, pin);  in pinconf_dump_pin()
306 	struct pinctrl_dev *pctldev = s->private;  in pinconf_pins_show()
312 	mutex_lock(&pctldev->mutex);  in pinconf_pins_show()
315 	for (i = 0; i < pctldev->desc->npins; i++) {  in pinconf_pins_show()
318 		pin = pctldev->desc->pins[i].number;  in pinconf_pins_show()
324 		seq_printf(s, "pin %d (%s): ", pin, desc->name);  in pinconf_pins_show()
330 	mutex_unlock(&pctldev->mutex);  in pinconf_pins_show()
339 	const struct pinconf_ops *ops = pctldev->desc->confops;  in pinconf_dump_group()
341 	/* no-op when not using generic pin config */  in pinconf_dump_group()
343 	if (ops && ops->pin_config_group_dbg_show)  in pinconf_dump_group()
344 		ops->pin_config_group_dbg_show(pctldev, s, selector);  in pinconf_dump_group()
349 	struct pinctrl_dev *pctldev = s->private;  in pinconf_groups_show()
350 	const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;  in pinconf_groups_show()
351 	unsigned int ngroups = pctlops->get_groups_count(pctldev);  in pinconf_groups_show()
358 		const char *gname = pctlops->get_group_name(pctldev, selector);  in pinconf_groups_show()
375 	debugfs_create_file("pinconf-pins", 0444,  in pinconf_init_device_debugfs()
377 	debugfs_create_file("pinconf-groups", 0444,  in pinconf_init_device_debugfs()