Lines Matching +full:program +full:- +full:gpios
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011-2012 ST-Ericsson SA
6 * Written on behalf of Linaro for ST-Ericsson
62 * pinctrl_provide_dummies() - indicate if pinctrl provides dummy state support
77 return pctldev->desc->name; in pinctrl_dev_get_name()
83 return dev_name(pctldev->dev); in pinctrl_dev_get_devname()
89 return pctldev->driver_data; in pinctrl_dev_get_drvdata()
94 * get_pinctrl_dev_from_devname() - look up pin controller device
110 if (!strcmp(dev_name(pctldev->dev), devname)) { in get_pinctrl_dev_from_devname()
129 if (device_match_of_node(pctldev->dev, np)) { in get_pinctrl_dev_from_of_node()
140 * pin_get_from_name() - look up a pin number from a name
149 for (i = 0; i < pctldev->desc->npins; i++) { in pin_get_from_name()
152 pin = pctldev->desc->pins[i].number; in pin_get_from_name()
155 if (desc && !strcmp(name, desc->name)) in pin_get_from_name()
159 return -EINVAL; in pin_get_from_name()
163 * pin_get_name() - look up a pin name from a pin id
173 dev_err(pctldev->dev, "failed to get pin(%d) name\n", in pin_get_name()
178 return desc->name; in pin_get_name()
192 pindesc = radix_tree_lookup(&pctldev->pin_desc_tree, in pinctrl_free_pindescs()
195 radix_tree_delete(&pctldev->pin_desc_tree, in pinctrl_free_pindescs()
197 if (pindesc->dynamic_name) in pinctrl_free_pindescs()
198 kfree(pindesc->name); in pinctrl_free_pindescs()
210 pindesc = pin_desc_get(pctldev, pin->number); in pinctrl_register_one_pin()
212 dev_err(pctldev->dev, "pin %d already registered\n", in pinctrl_register_one_pin()
213 pin->number); in pinctrl_register_one_pin()
214 return -EINVAL; in pinctrl_register_one_pin()
219 return -ENOMEM; in pinctrl_register_one_pin()
222 pindesc->pctldev = pctldev; in pinctrl_register_one_pin()
225 if (pin->name) { in pinctrl_register_one_pin()
226 pindesc->name = pin->name; in pinctrl_register_one_pin()
228 pindesc->name = kasprintf(GFP_KERNEL, "PIN%u", pin->number); in pinctrl_register_one_pin()
229 if (!pindesc->name) { in pinctrl_register_one_pin()
230 error = -ENOMEM; in pinctrl_register_one_pin()
233 pindesc->dynamic_name = true; in pinctrl_register_one_pin()
236 pindesc->drv_data = pin->drv_data; in pinctrl_register_one_pin()
238 error = radix_tree_insert(&pctldev->pin_desc_tree, pin->number, pindesc); in pinctrl_register_one_pin()
243 pin->number, pindesc->name, pctldev->desc->name); in pinctrl_register_one_pin()
268 * gpio_to_pin() - GPIO range GPIO number to pin number translation
284 unsigned int pin = gc->base + offset - range->base; in gpio_to_pin()
285 if (range->pins) in gpio_to_pin()
286 return range->pins[pin]; in gpio_to_pin()
288 return range->pin_base + pin; in gpio_to_pin()
292 * pinctrl_match_gpio_range() - check if a certain GPIO pin is in range
306 mutex_lock(&pctldev->mutex); in pinctrl_match_gpio_range()
308 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_match_gpio_range()
310 if ((gc->base + offset) >= range->base && in pinctrl_match_gpio_range()
311 (gc->base + offset) < range->base + range->npins) { in pinctrl_match_gpio_range()
312 mutex_unlock(&pctldev->mutex); in pinctrl_match_gpio_range()
316 mutex_unlock(&pctldev->mutex); in pinctrl_match_gpio_range()
321 * pinctrl_ready_for_gpio_range() - check if other GPIO pins of
329 * of the same GPIO chip don't have back-end pinctrl interface.
331 * certain GPIO pin doesn't have back-end pinctrl device. If the return value
346 mutex_lock(&pctldev->mutex); in pinctrl_ready_for_gpio_range()
347 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_ready_for_gpio_range()
349 if (range->base + range->npins - 1 < gc->base || in pinctrl_ready_for_gpio_range()
350 range->base > gc->base + gc->ngpio - 1) in pinctrl_ready_for_gpio_range()
352 mutex_unlock(&pctldev->mutex); in pinctrl_ready_for_gpio_range()
356 mutex_unlock(&pctldev->mutex); in pinctrl_ready_for_gpio_range()
372 * pinctrl_get_device_gpio_range() - find device for GPIO range
380 * -EPROBE_DEFER if the GPIO range could not be found in any device since it
407 return -EPROBE_DEFER; in pinctrl_get_device_gpio_range()
411 * pinctrl_add_gpio_range() - register a GPIO range for a controller
415 * This adds a range of GPIOs to be handled by a certain pin controller. Call
421 mutex_lock(&pctldev->mutex); in pinctrl_add_gpio_range()
422 list_add_tail(&range->node, &pctldev->gpio_ranges); in pinctrl_add_gpio_range()
423 mutex_unlock(&pctldev->mutex); in pinctrl_add_gpio_range()
451 return ERR_PTR(-EPROBE_DEFER); in pinctrl_find_and_add_gpio_range()
462 const struct pinctrl_ops *pctlops = pctldev->desc->pctlops; in pinctrl_get_group_pins()
465 if (!pctlops->get_group_pins) in pinctrl_get_group_pins()
466 return -EINVAL; in pinctrl_get_group_pins()
472 return pctlops->get_group_pins(pctldev, gs, pins, num_pins); in pinctrl_get_group_pins()
483 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_find_gpio_range_from_pin_nolock()
485 if (range->pins) { in pinctrl_find_gpio_range_from_pin_nolock()
487 for (a = 0; a < range->npins; a++) { in pinctrl_find_gpio_range_from_pin_nolock()
488 if (range->pins[a] == pin) in pinctrl_find_gpio_range_from_pin_nolock()
491 } else if (pin >= range->pin_base && in pinctrl_find_gpio_range_from_pin_nolock()
492 pin < range->pin_base + range->npins) in pinctrl_find_gpio_range_from_pin_nolock()
501 * pinctrl_find_gpio_range_from_pin() - locate the GPIO range for a pin
503 * @pin: a controller-local number to find the range for
511 mutex_lock(&pctldev->mutex); in pinctrl_find_gpio_range_from_pin()
513 mutex_unlock(&pctldev->mutex); in pinctrl_find_gpio_range_from_pin()
520 * pinctrl_remove_gpio_range() - remove a range of GPIOs from a pin controller
527 mutex_lock(&pctldev->mutex); in pinctrl_remove_gpio_range()
528 list_del(&range->node); in pinctrl_remove_gpio_range()
529 mutex_unlock(&pctldev->mutex); in pinctrl_remove_gpio_range()
536 * pinctrl_generic_get_group_count() - returns the number of pin groups
541 return pctldev->num_groups; in pinctrl_generic_get_group_count()
546 * pinctrl_generic_get_group_name() - returns the name of a pin group
555 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_get_group_name()
560 return group->grp.name; in pinctrl_generic_get_group_name()
565 * pinctrl_generic_get_group_pins() - gets the pin group pins
578 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_get_group_pins()
581 dev_err(pctldev->dev, "%s could not find pingroup%i\n", in pinctrl_generic_get_group_pins()
583 return -EINVAL; in pinctrl_generic_get_group_pins()
586 *pins = group->grp.pins; in pinctrl_generic_get_group_pins()
587 *num_pins = group->grp.npins; in pinctrl_generic_get_group_pins()
594 * pinctrl_generic_get_group() - returns a pin group based on the number
603 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_get_group()
615 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_generic_group_name_to_selector()
616 int ngroups = ops->get_groups_count(pctldev); in pinctrl_generic_group_name_to_selector()
621 const char *gname = ops->get_group_name(pctldev, selector); in pinctrl_generic_group_name_to_selector()
629 return -EINVAL; in pinctrl_generic_group_name_to_selector()
633 * pinctrl_generic_add_group() - adds a new pin group
649 return -EINVAL; in pinctrl_generic_add_group()
655 selector = pctldev->num_groups; in pinctrl_generic_add_group()
657 group = devm_kzalloc(pctldev->dev, sizeof(*group), GFP_KERNEL); in pinctrl_generic_add_group()
659 return -ENOMEM; in pinctrl_generic_add_group()
663 error = radix_tree_insert(&pctldev->pin_group_tree, selector, group); in pinctrl_generic_add_group()
667 pctldev->num_groups++; in pinctrl_generic_add_group()
674 * pinctrl_generic_remove_group() - removes a numbered pin group
685 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_remove_group()
688 return -ENOENT; in pinctrl_generic_remove_group()
690 radix_tree_delete(&pctldev->pin_group_tree, selector); in pinctrl_generic_remove_group()
691 devm_kfree(pctldev->dev, group); in pinctrl_generic_remove_group()
693 pctldev->num_groups--; in pinctrl_generic_remove_group()
700 * pinctrl_generic_free_groups() - removes all pin groups
711 radix_tree_for_each_slot(slot, &pctldev->pin_group_tree, &iter, 0) in pinctrl_generic_free_groups()
712 radix_tree_delete(&pctldev->pin_group_tree, iter.index); in pinctrl_generic_free_groups()
714 pctldev->num_groups = 0; in pinctrl_generic_free_groups()
724 * pinctrl_get_group_selector() - returns the group selector for a group
731 const struct pinctrl_ops *pctlops = pctldev->desc->pctlops; in pinctrl_get_group_selector()
732 unsigned int ngroups = pctlops->get_groups_count(pctldev); in pinctrl_get_group_selector()
736 const char *gname = pctlops->get_group_name(pctldev, in pinctrl_get_group_selector()
739 dev_dbg(pctldev->dev, in pinctrl_get_group_selector()
749 dev_err(pctldev->dev, "does not have pin group %s\n", in pinctrl_get_group_selector()
752 return -EINVAL; in pinctrl_get_group_selector()
765 * without a backing pin controller - bail out. in pinctrl_gpio_can_use_line()
770 mutex_lock(&pctldev->mutex); in pinctrl_gpio_can_use_line()
777 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_can_use_line()
784 * pinctrl_gpio_request() - request a single pin to be used as GPIO
788 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
805 mutex_lock(&pctldev->mutex); in pinctrl_gpio_request()
810 ret = pinmux_request_gpio(pctldev, range, pin, gc->base + offset); in pinctrl_gpio_request()
812 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_request()
819 * pinctrl_gpio_free() - free control on a single pin, currently used as GPIO
823 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
837 mutex_lock(&pctldev->mutex); in pinctrl_gpio_free()
844 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_free()
861 mutex_lock(&pctldev->mutex); in pinctrl_gpio_direction()
867 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_direction()
873 * pinctrl_gpio_direction_input() - request a GPIO pin to go into input mode
877 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
888 * pinctrl_gpio_direction_output() - request a GPIO pin to go into output mode
892 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
903 * pinctrl_gpio_set_config() - Apply config to given GPIO pin
908 * This function should *ONLY* be used from gpiolib-based GPIO drivers, if
924 mutex_lock(&pctldev->mutex); in pinctrl_gpio_set_config()
927 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_set_config()
938 list_for_each_entry(state, &p->states, node) in find_state()
939 if (!strcmp(state->name, name)) in find_state()
952 return ERR_PTR(-ENOMEM); in create_state()
954 state->name = name; in create_state()
955 INIT_LIST_HEAD(&state->settings); in create_state()
957 list_add_tail(&state->node, &p->states); in create_state()
969 state = find_state(p, map->name); in add_setting()
971 state = create_state(p, map->name); in add_setting()
975 if (map->type == PIN_MAP_TYPE_DUMMY_STATE) in add_setting()
980 return -ENOMEM; in add_setting()
982 setting->type = map->type; in add_setting()
985 setting->pctldev = pctldev; in add_setting()
987 setting->pctldev = in add_setting()
988 get_pinctrl_dev_from_devname(map->ctrl_dev_name); in add_setting()
989 if (!setting->pctldev) { in add_setting()
992 if (!strcmp(map->ctrl_dev_name, map->dev_name)) in add_setting()
993 return -ENODEV; in add_setting()
998 dev_info(p->dev, "unknown pinctrl device %s in map entry, deferring probe", in add_setting()
999 map->ctrl_dev_name); in add_setting()
1000 return -EPROBE_DEFER; in add_setting()
1003 setting->dev_name = map->dev_name; in add_setting()
1005 switch (map->type) { in add_setting()
1014 ret = -EINVAL; in add_setting()
1022 list_add_tail(&setting->node, &state->settings); in add_setting()
1033 if (p->dev == dev) { in find_pinctrl()
1060 return ERR_PTR(-ENOMEM); in create_pinctrl()
1061 p->dev = dev; in create_pinctrl()
1062 INIT_LIST_HEAD(&p->states); in create_pinctrl()
1063 INIT_LIST_HEAD(&p->dt_maps); in create_pinctrl()
1077 if (strcmp(map->dev_name, devname)) in create_pinctrl()
1087 strcmp(dev_name(pctldev->dev), map->ctrl_dev_name)) in create_pinctrl()
1094 * - Defer, if the pinctrl device is not yet available in create_pinctrl()
1095 * - Fail, if the pinctrl device is not yet available, in create_pinctrl()
1100 * If the error returned was not -EPROBE_DEFER then we in create_pinctrl()
1102 * an -EPROBE_DEFER later, as that is the worst case. in create_pinctrl()
1104 if (ret == -EPROBE_DEFER) { in create_pinctrl()
1118 kref_init(&p->users); in create_pinctrl()
1122 list_add_tail(&p->node, &pinctrl_list); in create_pinctrl()
1129 * pinctrl_get() - retrieves the pinctrl handle for a device
1137 return ERR_PTR(-EINVAL); in pinctrl_get()
1147 kref_get(&p->users); in pinctrl_get()
1158 switch (setting->type) { in pinctrl_free_setting()
1179 list_for_each_entry_safe(state, n1, &p->states, node) { in pinctrl_free()
1180 list_for_each_entry_safe(setting, n2, &state->settings, node) { in pinctrl_free()
1181 pinctrl_free_setting(state == p->state, setting); in pinctrl_free()
1182 list_del(&setting->node); in pinctrl_free()
1185 list_del(&state->node); in pinctrl_free()
1192 list_del(&p->node); in pinctrl_free()
1198 * pinctrl_release() - release the pinctrl handle
1209 * pinctrl_put() - decrease use count on a previously claimed pinctrl handle
1214 kref_put(&p->users, pinctrl_release); in pinctrl_put()
1219 * pinctrl_lookup_state() - retrieves a state handle from a pinctrl handle
1232 dev_dbg(p->dev, "using pinctrl dummy state (%s)\n", in pinctrl_lookup_state()
1236 state = ERR_PTR(-ENODEV); in pinctrl_lookup_state()
1246 if (pctldev->desc->link_consumers) in pinctrl_link_add()
1247 device_link_add(consumer, pctldev->dev, in pinctrl_link_add()
1253 * pinctrl_commit_state() - select/activate/program a pinctrl state to HW
1255 * @state: the state handle to select/activate/program
1260 struct pinctrl_state *old_state = READ_ONCE(p->state); in pinctrl_commit_state()
1267 * still owned by the new state will be re-acquired by the call in pinctrl_commit_state()
1270 list_for_each_entry(setting, &old_state->settings, node) { in pinctrl_commit_state()
1271 if (setting->type != PIN_MAP_TYPE_MUX_GROUP) in pinctrl_commit_state()
1277 p->state = NULL; in pinctrl_commit_state()
1279 /* Apply all the settings for the new state - pinmux first */ in pinctrl_commit_state()
1280 list_for_each_entry(setting, &state->settings, node) { in pinctrl_commit_state()
1281 switch (setting->type) { in pinctrl_commit_state()
1290 ret = -EINVAL; in pinctrl_commit_state()
1298 if (p != setting->pctldev->p) in pinctrl_commit_state()
1299 pinctrl_link_add(setting->pctldev, p->dev); in pinctrl_commit_state()
1302 /* Apply all the settings for the new state - pinconf after */ in pinctrl_commit_state()
1303 list_for_each_entry(setting, &state->settings, node) { in pinctrl_commit_state()
1304 switch (setting->type) { in pinctrl_commit_state()
1313 ret = -EINVAL; in pinctrl_commit_state()
1322 if (p != setting->pctldev->p) in pinctrl_commit_state()
1323 pinctrl_link_add(setting->pctldev, p->dev); in pinctrl_commit_state()
1326 p->state = state; in pinctrl_commit_state()
1331 dev_err(p->dev, "Error applying setting, reverse things back\n"); in pinctrl_commit_state()
1333 list_for_each_entry(setting2, &state->settings, node) { in pinctrl_commit_state()
1334 if (&setting2->node == &setting->node) in pinctrl_commit_state()
1343 if (setting2->type == PIN_MAP_TYPE_MUX_GROUP) in pinctrl_commit_state()
1347 /* There's no infinite recursive loop here because p->state is NULL */ in pinctrl_commit_state()
1355 * pinctrl_select_state() - select/activate/program a pinctrl state to HW
1357 * @state: the state handle to select/activate/program
1361 if (p->state == state) in pinctrl_select_state()
1374 * devm_pinctrl_get() - Resource managed pinctrl_get()
1386 return ERR_PTR(-ENOMEM); in devm_pinctrl_get()
1408 * devm_pinctrl_put() - Resource managed pinctrl_put()
1417 WARN_ON(devres_release(p->dev, devm_pinctrl_release, in devm_pinctrl_put()
1423 * pinctrl_register_mappings() - register a set of pin controller mappings
1424 * @maps: the pincontrol mappings table to register. Note the pinctrl-core
1442 return -EINVAL; in pinctrl_register_mappings()
1448 return -EINVAL; in pinctrl_register_mappings()
1455 return -EINVAL; in pinctrl_register_mappings()
1475 return -EINVAL; in pinctrl_register_mappings()
1481 return -ENOMEM; in pinctrl_register_mappings()
1483 maps_node->maps = maps; in pinctrl_register_mappings()
1484 maps_node->num_maps = num_maps; in pinctrl_register_mappings()
1487 list_add_tail(&maps_node->node, &pinctrl_maps); in pinctrl_register_mappings()
1495 * pinctrl_unregister_mappings() - unregister a set of pin controller mappings
1505 if (maps_node->maps == map) { in pinctrl_unregister_mappings()
1506 list_del(&maps_node->node); in pinctrl_unregister_mappings()
1517 * pinctrl_force_sleep() - turn a given controller device into sleep state
1522 if (!IS_ERR(pctldev->p) && !IS_ERR(pctldev->hog_sleep)) in pinctrl_force_sleep()
1523 return pinctrl_commit_state(pctldev->p, pctldev->hog_sleep); in pinctrl_force_sleep()
1529 * pinctrl_force_default() - turn a given controller device into default state
1534 if (!IS_ERR(pctldev->p) && !IS_ERR(pctldev->hog_default)) in pinctrl_force_default()
1535 return pinctrl_commit_state(pctldev->p, pctldev->hog_default); in pinctrl_force_default()
1541 * pinctrl_init_done() - tell pinctrl probe is done
1550 struct dev_pin_info *pins = dev->pins; in pinctrl_init_done()
1556 if (IS_ERR(pins->init_state)) in pinctrl_init_done()
1559 if (pins->p->state != pins->init_state) in pinctrl_init_done()
1562 if (IS_ERR(pins->default_state)) in pinctrl_init_done()
1565 ret = pinctrl_select_state(pins->p, pins->default_state); in pinctrl_init_done()
1575 struct dev_pin_info *pins = dev->pins; in pinctrl_select_bound_state()
1580 ret = pinctrl_select_state(pins->p, state); in pinctrl_select_bound_state()
1583 state->name); in pinctrl_select_bound_state()
1588 * pinctrl_select_default_state() - select default pinctrl state
1593 if (!dev->pins) in pinctrl_select_default_state()
1596 return pinctrl_select_bound_state(dev, dev->pins->default_state); in pinctrl_select_default_state()
1603 * pinctrl_pm_select_default_state() - select default pinctrl state for PM
1613 * pinctrl_pm_select_sleep_state() - select sleep pinctrl state for PM
1618 if (!dev->pins) in pinctrl_pm_select_sleep_state()
1621 return pinctrl_select_bound_state(dev, dev->pins->sleep_state); in pinctrl_pm_select_sleep_state()
1626 * pinctrl_pm_select_idle_state() - select idle pinctrl state for PM
1631 if (!dev->pins) in pinctrl_pm_select_idle_state()
1634 return pinctrl_select_bound_state(dev, dev->pins->idle_state); in pinctrl_pm_select_idle_state()
1643 struct pinctrl_dev *pctldev = s->private; in pinctrl_pins_show()
1644 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_pins_show()
1652 seq_printf(s, "registered pins: %d\n", pctldev->desc->npins); in pinctrl_pins_show()
1654 mutex_lock(&pctldev->mutex); in pinctrl_pins_show()
1657 for (i = 0; i < pctldev->desc->npins; i++) { in pinctrl_pins_show()
1660 pin = pctldev->desc->pins[i].number; in pinctrl_pins_show()
1666 seq_printf(s, "pin %d (%s) ", pin, desc->name); in pinctrl_pins_show()
1669 gpio_num = -1; in pinctrl_pins_show()
1670 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_pins_show()
1671 if ((pin >= range->pin_base) && in pinctrl_pins_show()
1672 (pin < (range->pin_base + range->npins))) { in pinctrl_pins_show()
1673 gpio_num = range->base + (pin - range->pin_base); in pinctrl_pins_show()
1680 * we need to get rid of the range->base eventually and in pinctrl_pins_show()
1686 gpio_num - gpio_device_get_base(gdev), in pinctrl_pins_show()
1692 /* Driver-specific info per pin */ in pinctrl_pins_show()
1693 if (ops->pin_dbg_show) in pinctrl_pins_show()
1694 ops->pin_dbg_show(pctldev, s, pin); in pinctrl_pins_show()
1699 mutex_unlock(&pctldev->mutex); in pinctrl_pins_show()
1707 struct pinctrl_dev *pctldev = s->private; in pinctrl_groups_show()
1708 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_groups_show()
1711 mutex_lock(&pctldev->mutex); in pinctrl_groups_show()
1713 ngroups = ops->get_groups_count(pctldev); in pinctrl_groups_show()
1719 const char *gname = ops->get_group_name(pctldev, selector); in pinctrl_groups_show()
1724 if (ops->get_group_pins) in pinctrl_groups_show()
1725 ret = ops->get_group_pins(pctldev, selector, in pinctrl_groups_show()
1735 mutex_unlock(&pctldev->mutex); in pinctrl_groups_show()
1736 return -EINVAL; in pinctrl_groups_show()
1745 mutex_unlock(&pctldev->mutex); in pinctrl_groups_show()
1753 struct pinctrl_dev *pctldev = s->private; in pinctrl_gpioranges_show()
1758 mutex_lock(&pctldev->mutex); in pinctrl_gpioranges_show()
1761 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_gpioranges_show()
1762 if (range->pins) { in pinctrl_gpioranges_show()
1764 seq_printf(s, "%u: %s GPIOS [%u - %u] PINS {", in pinctrl_gpioranges_show()
1765 range->id, range->name, in pinctrl_gpioranges_show()
1766 range->base, (range->base + range->npins - 1)); in pinctrl_gpioranges_show()
1767 for (a = 0; a < range->npins - 1; a++) in pinctrl_gpioranges_show()
1768 seq_printf(s, "%u, ", range->pins[a]); in pinctrl_gpioranges_show()
1769 seq_printf(s, "%u}\n", range->pins[a]); in pinctrl_gpioranges_show()
1772 seq_printf(s, "%u: %s GPIOS [%u - %u] PINS [%u - %u]\n", in pinctrl_gpioranges_show()
1773 range->id, range->name, in pinctrl_gpioranges_show()
1774 range->base, (range->base + range->npins - 1), in pinctrl_gpioranges_show()
1775 range->pin_base, in pinctrl_gpioranges_show()
1776 (range->pin_base + range->npins - 1)); in pinctrl_gpioranges_show()
1779 mutex_unlock(&pctldev->mutex); in pinctrl_gpioranges_show()
1794 seq_printf(s, "%s ", pctldev->desc->name); in pinctrl_devices_show()
1795 if (pctldev->desc->pmxops) in pinctrl_devices_show()
1799 if (pctldev->desc->confops) in pinctrl_devices_show()
1838 map->dev_name, map->name, map_type(map->type), in pinctrl_maps_show()
1839 map->type); in pinctrl_maps_show()
1841 if (map->type != PIN_MAP_TYPE_DUMMY_STATE) in pinctrl_maps_show()
1843 map->ctrl_dev_name); in pinctrl_maps_show()
1845 switch (map->type) { in pinctrl_maps_show()
1877 dev_name(p->dev), in pinctrl_show()
1878 p->state ? p->state->name : "none"); in pinctrl_show()
1880 list_for_each_entry(state, &p->states, node) { in pinctrl_show()
1881 seq_printf(s, " state: %s\n", state->name); in pinctrl_show()
1883 list_for_each_entry(setting, &state->settings, node) { in pinctrl_show()
1884 struct pinctrl_dev *pctldev = setting->pctldev; in pinctrl_show()
1887 map_type(setting->type), in pinctrl_show()
1890 switch (setting->type) { in pinctrl_show()
1918 if (pctldev->desc->name && in pinctrl_init_device_debugfs()
1919 strcmp(dev_name(pctldev->dev), pctldev->desc->name)) { in pinctrl_init_device_debugfs()
1920 debugfs_name = devm_kasprintf(pctldev->dev, GFP_KERNEL, in pinctrl_init_device_debugfs()
1921 "%s-%s", dev_name(pctldev->dev), in pinctrl_init_device_debugfs()
1922 pctldev->desc->name); in pinctrl_init_device_debugfs()
1925 dev_name(pctldev->dev)); in pinctrl_init_device_debugfs()
1929 debugfs_name = dev_name(pctldev->dev); in pinctrl_init_device_debugfs()
1933 pctldev->device_root = device_root; in pinctrl_init_device_debugfs()
1937 dev_name(pctldev->dev)); in pinctrl_init_device_debugfs()
1944 debugfs_create_file("gpio-ranges", 0444, in pinctrl_init_device_debugfs()
1946 if (pctldev->desc->pmxops) in pinctrl_init_device_debugfs()
1948 if (pctldev->desc->confops) in pinctrl_init_device_debugfs()
1954 debugfs_remove_recursive(pctldev->device_root); in pinctrl_remove_device_debugfs()
1966 debugfs_create_file("pinctrl-devices", 0444, in pinctrl_init_debugfs()
1968 debugfs_create_file("pinctrl-maps", 0444, in pinctrl_init_debugfs()
1970 debugfs_create_file("pinctrl-handles", 0444, in pinctrl_init_debugfs()
1992 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_check_ops()
1995 !ops->get_groups_count || in pinctrl_check_ops()
1996 !ops->get_group_name) in pinctrl_check_ops()
1997 return -EINVAL; in pinctrl_check_ops()
2003 * pinctrl_init_controller() - init a pin controller device
2016 return ERR_PTR(-EINVAL); in pinctrl_init_controller()
2017 if (!pctldesc->name) in pinctrl_init_controller()
2018 return ERR_PTR(-EINVAL); in pinctrl_init_controller()
2022 return ERR_PTR(-ENOMEM); in pinctrl_init_controller()
2025 pctldev->owner = pctldesc->owner; in pinctrl_init_controller()
2026 pctldev->desc = pctldesc; in pinctrl_init_controller()
2027 pctldev->driver_data = driver_data; in pinctrl_init_controller()
2028 INIT_RADIX_TREE(&pctldev->pin_desc_tree, GFP_KERNEL); in pinctrl_init_controller()
2030 INIT_RADIX_TREE(&pctldev->pin_group_tree, GFP_KERNEL); in pinctrl_init_controller()
2033 INIT_RADIX_TREE(&pctldev->pin_function_tree, GFP_KERNEL); in pinctrl_init_controller()
2035 INIT_LIST_HEAD(&pctldev->gpio_ranges); in pinctrl_init_controller()
2036 INIT_LIST_HEAD(&pctldev->node); in pinctrl_init_controller()
2037 pctldev->dev = dev; in pinctrl_init_controller()
2038 mutex_init(&pctldev->mutex); in pinctrl_init_controller()
2048 if (pctldesc->pmxops) { in pinctrl_init_controller()
2055 if (pctldesc->confops) { in pinctrl_init_controller()
2062 dev_dbg(dev, "try to register %d pins ...\n", pctldesc->npins); in pinctrl_init_controller()
2063 ret = pinctrl_register_pins(pctldev, pctldesc->pins, pctldesc->npins); in pinctrl_init_controller()
2066 pinctrl_free_pindescs(pctldev, pctldesc->pins, in pinctrl_init_controller()
2067 pctldesc->npins); in pinctrl_init_controller()
2074 mutex_destroy(&pctldev->mutex); in pinctrl_init_controller()
2081 pctldev->p = create_pinctrl(pctldev->dev, pctldev); in pinctrl_claim_hogs()
2082 if (PTR_ERR(pctldev->p) == -ENODEV) { in pinctrl_claim_hogs()
2083 dev_dbg(pctldev->dev, "no hogs found\n"); in pinctrl_claim_hogs()
2088 if (IS_ERR(pctldev->p)) { in pinctrl_claim_hogs()
2089 dev_err(pctldev->dev, "error claiming hogs: %li\n", in pinctrl_claim_hogs()
2090 PTR_ERR(pctldev->p)); in pinctrl_claim_hogs()
2092 return PTR_ERR(pctldev->p); in pinctrl_claim_hogs()
2095 pctldev->hog_default = in pinctrl_claim_hogs()
2096 pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT); in pinctrl_claim_hogs()
2097 if (IS_ERR(pctldev->hog_default)) { in pinctrl_claim_hogs()
2098 dev_dbg(pctldev->dev, in pinctrl_claim_hogs()
2101 if (pinctrl_select_state(pctldev->p, in pinctrl_claim_hogs()
2102 pctldev->hog_default)) in pinctrl_claim_hogs()
2103 dev_err(pctldev->dev, in pinctrl_claim_hogs()
2107 pctldev->hog_sleep = in pinctrl_claim_hogs()
2108 pinctrl_lookup_state(pctldev->p, in pinctrl_claim_hogs()
2110 if (IS_ERR(pctldev->hog_sleep)) in pinctrl_claim_hogs()
2111 dev_dbg(pctldev->dev, in pinctrl_claim_hogs()
2123 dev_err(pctldev->dev, "could not claim hogs: %i\n", in pinctrl_enable()
2125 pinctrl_free_pindescs(pctldev, pctldev->desc->pins, in pinctrl_enable()
2126 pctldev->desc->npins); in pinctrl_enable()
2127 mutex_destroy(&pctldev->mutex); in pinctrl_enable()
2134 list_add_tail(&pctldev->node, &pinctrldev_list); in pinctrl_enable()
2144 * pinctrl_register() - register a pin controller device
2173 * pinctrl_register_and_init() - register and init pin controller device
2205 * pinctrl_unregister() - unregister pinmux
2217 mutex_lock(&pctldev->mutex); in pinctrl_unregister()
2219 mutex_unlock(&pctldev->mutex); in pinctrl_unregister()
2221 if (!IS_ERR_OR_NULL(pctldev->p)) in pinctrl_unregister()
2222 pinctrl_put(pctldev->p); in pinctrl_unregister()
2225 mutex_lock(&pctldev->mutex); in pinctrl_unregister()
2227 list_del(&pctldev->node); in pinctrl_unregister()
2231 pinctrl_free_pindescs(pctldev, pctldev->desc->pins, in pinctrl_unregister()
2232 pctldev->desc->npins); in pinctrl_unregister()
2234 list_for_each_entry_safe(range, n, &pctldev->gpio_ranges, node) in pinctrl_unregister()
2235 list_del(&range->node); in pinctrl_unregister()
2237 mutex_unlock(&pctldev->mutex); in pinctrl_unregister()
2238 mutex_destroy(&pctldev->mutex); in pinctrl_unregister()
2262 * devm_pinctrl_register() - Resource managed version of pinctrl_register().
2280 return ERR_PTR(-ENOMEM); in devm_pinctrl_register()
2296 * devm_pinctrl_register_and_init() - Resource managed pinctrl register and init
2316 return -ENOMEM; in devm_pinctrl_register_and_init()
2332 * devm_pinctrl_unregister() - Resource managed version of pinctrl_unregister().