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
283 unsigned int offset = gpio - range->base; in gpio_to_pin()
284 if (range->pins) in gpio_to_pin()
285 return range->pins[offset]; in gpio_to_pin()
287 return range->pin_base + offset; in gpio_to_pin()
291 * pinctrl_match_gpio_range() - check if a certain GPIO pin is in range
303 mutex_lock(&pctldev->mutex); in pinctrl_match_gpio_range()
305 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_match_gpio_range()
307 if (gpio >= range->base && in pinctrl_match_gpio_range()
308 gpio < range->base + range->npins) { in pinctrl_match_gpio_range()
309 mutex_unlock(&pctldev->mutex); in pinctrl_match_gpio_range()
313 mutex_unlock(&pctldev->mutex); in pinctrl_match_gpio_range()
318 * pinctrl_ready_for_gpio_range() - check if other GPIO pins of
325 * of the same GPIO chip don't have back-end pinctrl interface.
327 * certain GPIO pin doesn't have back-end pinctrl device. If the return value
350 mutex_lock(&pctldev->mutex); in pinctrl_ready_for_gpio_range()
351 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_ready_for_gpio_range()
353 if (range->base + range->npins - 1 < chip->base || in pinctrl_ready_for_gpio_range()
354 range->base > chip->base + chip->ngpio - 1) in pinctrl_ready_for_gpio_range()
356 mutex_unlock(&pctldev->mutex); in pinctrl_ready_for_gpio_range()
360 mutex_unlock(&pctldev->mutex); in pinctrl_ready_for_gpio_range()
372 * pinctrl_get_device_gpio_range() - find device for GPIO range
379 * -EPROBE_DEFER if the GPIO range could not be found in any device since it
405 return -EPROBE_DEFER; in pinctrl_get_device_gpio_range()
409 * pinctrl_add_gpio_range() - register a GPIO range for a controller
413 * This adds a range of GPIOs to be handled by a certain pin controller. Call
419 mutex_lock(&pctldev->mutex); in pinctrl_add_gpio_range()
420 list_add_tail(&range->node, &pctldev->gpio_ranges); in pinctrl_add_gpio_range()
421 mutex_unlock(&pctldev->mutex); in pinctrl_add_gpio_range()
449 return ERR_PTR(-EPROBE_DEFER); in pinctrl_find_and_add_gpio_range()
460 const struct pinctrl_ops *pctlops = pctldev->desc->pctlops; in pinctrl_get_group_pins()
463 if (!pctlops->get_group_pins) in pinctrl_get_group_pins()
464 return -EINVAL; in pinctrl_get_group_pins()
470 return pctlops->get_group_pins(pctldev, gs, pins, num_pins); in pinctrl_get_group_pins()
481 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_find_gpio_range_from_pin_nolock()
483 if (range->pins) { in pinctrl_find_gpio_range_from_pin_nolock()
485 for (a = 0; a < range->npins; a++) { in pinctrl_find_gpio_range_from_pin_nolock()
486 if (range->pins[a] == pin) in pinctrl_find_gpio_range_from_pin_nolock()
489 } else if (pin >= range->pin_base && in pinctrl_find_gpio_range_from_pin_nolock()
490 pin < range->pin_base + range->npins) in pinctrl_find_gpio_range_from_pin_nolock()
499 * pinctrl_find_gpio_range_from_pin() - locate the GPIO range for a pin
501 * @pin: a controller-local number to find the range for
509 mutex_lock(&pctldev->mutex); in pinctrl_find_gpio_range_from_pin()
511 mutex_unlock(&pctldev->mutex); in pinctrl_find_gpio_range_from_pin()
518 * pinctrl_remove_gpio_range() - remove a range of GPIOs from a pin controller
525 mutex_lock(&pctldev->mutex); in pinctrl_remove_gpio_range()
526 list_del(&range->node); in pinctrl_remove_gpio_range()
527 mutex_unlock(&pctldev->mutex); in pinctrl_remove_gpio_range()
534 * pinctrl_generic_get_group_count() - returns the number of pin groups
539 return pctldev->num_groups; in pinctrl_generic_get_group_count()
544 * pinctrl_generic_get_group_name() - returns the name of a pin group
553 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_get_group_name()
558 return group->name; in pinctrl_generic_get_group_name()
563 * pinctrl_generic_get_group_pins() - gets the pin group pins
576 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_get_group_pins()
579 dev_err(pctldev->dev, "%s could not find pingroup%i\n", in pinctrl_generic_get_group_pins()
581 return -EINVAL; in pinctrl_generic_get_group_pins()
584 *pins = group->pins; in pinctrl_generic_get_group_pins()
585 *num_pins = group->num_pins; in pinctrl_generic_get_group_pins()
592 * pinctrl_generic_get_group() - returns a pin group based on the number
601 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_get_group()
613 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_generic_group_name_to_selector()
614 int ngroups = ops->get_groups_count(pctldev); in pinctrl_generic_group_name_to_selector()
619 const char *gname = ops->get_group_name(pctldev, selector); in pinctrl_generic_group_name_to_selector()
627 return -EINVAL; in pinctrl_generic_group_name_to_selector()
631 * pinctrl_generic_add_group() - adds a new pin group
647 return -EINVAL; in pinctrl_generic_add_group()
653 selector = pctldev->num_groups; in pinctrl_generic_add_group()
655 group = devm_kzalloc(pctldev->dev, sizeof(*group), GFP_KERNEL); in pinctrl_generic_add_group()
657 return -ENOMEM; in pinctrl_generic_add_group()
659 group->name = name; in pinctrl_generic_add_group()
660 group->pins = pins; in pinctrl_generic_add_group()
661 group->num_pins = num_pins; in pinctrl_generic_add_group()
662 group->data = data; in pinctrl_generic_add_group()
664 error = radix_tree_insert(&pctldev->pin_group_tree, selector, group); in pinctrl_generic_add_group()
668 pctldev->num_groups++; in pinctrl_generic_add_group()
675 * pinctrl_generic_remove_group() - removes a numbered pin group
686 group = radix_tree_lookup(&pctldev->pin_group_tree, in pinctrl_generic_remove_group()
689 return -ENOENT; in pinctrl_generic_remove_group()
691 radix_tree_delete(&pctldev->pin_group_tree, selector); in pinctrl_generic_remove_group()
692 devm_kfree(pctldev->dev, group); in pinctrl_generic_remove_group()
694 pctldev->num_groups--; in pinctrl_generic_remove_group()
701 * pinctrl_generic_free_groups() - removes all pin groups
712 radix_tree_for_each_slot(slot, &pctldev->pin_group_tree, &iter, 0) in pinctrl_generic_free_groups()
713 radix_tree_delete(&pctldev->pin_group_tree, iter.index); in pinctrl_generic_free_groups()
715 pctldev->num_groups = 0; in pinctrl_generic_free_groups()
725 * pinctrl_get_group_selector() - returns the group selector for a group
732 const struct pinctrl_ops *pctlops = pctldev->desc->pctlops; in pinctrl_get_group_selector()
733 unsigned ngroups = pctlops->get_groups_count(pctldev); in pinctrl_get_group_selector()
737 const char *gname = pctlops->get_group_name(pctldev, in pinctrl_get_group_selector()
740 dev_dbg(pctldev->dev, in pinctrl_get_group_selector()
750 dev_err(pctldev->dev, "does not have pin group %s\n", in pinctrl_get_group_selector()
753 return -EINVAL; in pinctrl_get_group_selector()
766 * without a backing pin controller - bail out. in pinctrl_gpio_can_use_line()
771 mutex_lock(&pctldev->mutex); in pinctrl_gpio_can_use_line()
778 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_can_use_line()
785 * pinctrl_gpio_request() - request a single pin to be used as GPIO
788 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
806 mutex_lock(&pctldev->mutex); in pinctrl_gpio_request()
813 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_request()
820 * 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,
838 mutex_lock(&pctldev->mutex); in pinctrl_gpio_free()
845 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
876 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
887 * pinctrl_gpio_direction_output() - request a GPIO pin to go into output mode
890 * This function should *ONLY* be used from gpiolib-based GPIO drivers,
901 * pinctrl_gpio_set_config() - Apply config to given GPIO pin
905 * This function should *ONLY* be used from gpiolib-based GPIO drivers, if
920 mutex_lock(&pctldev->mutex); in pinctrl_gpio_set_config()
923 mutex_unlock(&pctldev->mutex); in pinctrl_gpio_set_config()
934 list_for_each_entry(state, &p->states, node) in find_state()
935 if (!strcmp(state->name, name)) in find_state()
948 return ERR_PTR(-ENOMEM); in create_state()
950 state->name = name; in create_state()
951 INIT_LIST_HEAD(&state->settings); in create_state()
953 list_add_tail(&state->node, &p->states); in create_state()
965 state = find_state(p, map->name); in add_setting()
967 state = create_state(p, map->name); in add_setting()
971 if (map->type == PIN_MAP_TYPE_DUMMY_STATE) in add_setting()
976 return -ENOMEM; in add_setting()
978 setting->type = map->type; in add_setting()
981 setting->pctldev = pctldev; in add_setting()
983 setting->pctldev = in add_setting()
984 get_pinctrl_dev_from_devname(map->ctrl_dev_name); in add_setting()
985 if (!setting->pctldev) { in add_setting()
988 if (!strcmp(map->ctrl_dev_name, map->dev_name)) in add_setting()
989 return -ENODEV; in add_setting()
994 dev_info(p->dev, "unknown pinctrl device %s in map entry, deferring probe", in add_setting()
995 map->ctrl_dev_name); in add_setting()
996 return -EPROBE_DEFER; in add_setting()
999 setting->dev_name = map->dev_name; in add_setting()
1001 switch (map->type) { in add_setting()
1010 ret = -EINVAL; in add_setting()
1018 list_add_tail(&setting->node, &state->settings); in add_setting()
1029 if (p->dev == dev) { in find_pinctrl()
1056 return ERR_PTR(-ENOMEM); in create_pinctrl()
1057 p->dev = dev; in create_pinctrl()
1058 INIT_LIST_HEAD(&p->states); in create_pinctrl()
1059 INIT_LIST_HEAD(&p->dt_maps); in create_pinctrl()
1073 if (strcmp(map->dev_name, devname)) in create_pinctrl()
1083 strcmp(dev_name(pctldev->dev), map->ctrl_dev_name)) in create_pinctrl()
1090 * - Defer, if the pinctrl device is not yet available in create_pinctrl()
1091 * - Fail, if the pinctrl device is not yet available, in create_pinctrl()
1096 * If the error returned was not -EPROBE_DEFER then we in create_pinctrl()
1098 * an -EPROBE_DEFER later, as that is the worst case. in create_pinctrl()
1100 if (ret == -EPROBE_DEFER) { in create_pinctrl()
1114 kref_init(&p->users); in create_pinctrl()
1118 list_add_tail(&p->node, &pinctrl_list); in create_pinctrl()
1125 * pinctrl_get() - retrieves the pinctrl handle for a device
1133 return ERR_PTR(-EINVAL); in pinctrl_get()
1143 kref_get(&p->users); in pinctrl_get()
1154 switch (setting->type) { in pinctrl_free_setting()
1175 list_for_each_entry_safe(state, n1, &p->states, node) { in pinctrl_free()
1176 list_for_each_entry_safe(setting, n2, &state->settings, node) { in pinctrl_free()
1177 pinctrl_free_setting(state == p->state, setting); in pinctrl_free()
1178 list_del(&setting->node); in pinctrl_free()
1181 list_del(&state->node); in pinctrl_free()
1188 list_del(&p->node); in pinctrl_free()
1194 * pinctrl_release() - release the pinctrl handle
1205 * pinctrl_put() - decrease use count on a previously claimed pinctrl handle
1210 kref_put(&p->users, pinctrl_release); in pinctrl_put()
1215 * pinctrl_lookup_state() - retrieves a state handle from a pinctrl handle
1228 dev_dbg(p->dev, "using pinctrl dummy state (%s)\n", in pinctrl_lookup_state()
1232 state = ERR_PTR(-ENODEV); in pinctrl_lookup_state()
1242 if (pctldev->desc->link_consumers) in pinctrl_link_add()
1243 device_link_add(consumer, pctldev->dev, in pinctrl_link_add()
1249 * pinctrl_commit_state() - select/activate/program a pinctrl state to HW
1251 * @state: the state handle to select/activate/program
1256 struct pinctrl_state *old_state = p->state; in pinctrl_commit_state()
1259 if (p->state) { in pinctrl_commit_state()
1263 * still owned by the new state will be re-acquired by the call in pinctrl_commit_state()
1266 list_for_each_entry(setting, &p->state->settings, node) { in pinctrl_commit_state()
1267 if (setting->type != PIN_MAP_TYPE_MUX_GROUP) in pinctrl_commit_state()
1273 p->state = NULL; in pinctrl_commit_state()
1275 /* Apply all the settings for the new state - pinmux first */ in pinctrl_commit_state()
1276 list_for_each_entry(setting, &state->settings, node) { in pinctrl_commit_state()
1277 switch (setting->type) { in pinctrl_commit_state()
1286 ret = -EINVAL; in pinctrl_commit_state()
1294 if (p != setting->pctldev->p) in pinctrl_commit_state()
1295 pinctrl_link_add(setting->pctldev, p->dev); in pinctrl_commit_state()
1298 /* Apply all the settings for the new state - pinconf after */ in pinctrl_commit_state()
1299 list_for_each_entry(setting, &state->settings, node) { in pinctrl_commit_state()
1300 switch (setting->type) { in pinctrl_commit_state()
1309 ret = -EINVAL; in pinctrl_commit_state()
1318 if (p != setting->pctldev->p) in pinctrl_commit_state()
1319 pinctrl_link_add(setting->pctldev, p->dev); in pinctrl_commit_state()
1322 p->state = state; in pinctrl_commit_state()
1327 dev_err(p->dev, "Error applying setting, reverse things back\n"); in pinctrl_commit_state()
1329 list_for_each_entry(setting2, &state->settings, node) { in pinctrl_commit_state()
1330 if (&setting2->node == &setting->node) in pinctrl_commit_state()
1339 if (setting2->type == PIN_MAP_TYPE_MUX_GROUP) in pinctrl_commit_state()
1343 /* There's no infinite recursive loop here because p->state is NULL */ in pinctrl_commit_state()
1351 * pinctrl_select_state() - select/activate/program a pinctrl state to HW
1353 * @state: the state handle to select/activate/program
1357 if (p->state == state) in pinctrl_select_state()
1370 * devm_pinctrl_get() - Resource managed pinctrl_get()
1382 return ERR_PTR(-ENOMEM); in devm_pinctrl_get()
1404 * devm_pinctrl_put() - Resource managed pinctrl_put()
1413 WARN_ON(devres_release(p->dev, devm_pinctrl_release, in devm_pinctrl_put()
1419 * pinctrl_register_mappings() - register a set of pin controller mappings
1420 * @maps: the pincontrol mappings table to register. Note the pinctrl-core
1438 return -EINVAL; in pinctrl_register_mappings()
1444 return -EINVAL; in pinctrl_register_mappings()
1451 return -EINVAL; in pinctrl_register_mappings()
1471 return -EINVAL; in pinctrl_register_mappings()
1477 return -ENOMEM; in pinctrl_register_mappings()
1479 maps_node->maps = maps; in pinctrl_register_mappings()
1480 maps_node->num_maps = num_maps; in pinctrl_register_mappings()
1483 list_add_tail(&maps_node->node, &pinctrl_maps); in pinctrl_register_mappings()
1491 * pinctrl_unregister_mappings() - unregister a set of pin controller mappings
1501 if (maps_node->maps == map) { in pinctrl_unregister_mappings()
1502 list_del(&maps_node->node); in pinctrl_unregister_mappings()
1513 * pinctrl_force_sleep() - turn a given controller device into sleep state
1518 if (!IS_ERR(pctldev->p) && !IS_ERR(pctldev->hog_sleep)) in pinctrl_force_sleep()
1519 return pinctrl_commit_state(pctldev->p, pctldev->hog_sleep); in pinctrl_force_sleep()
1525 * pinctrl_force_default() - turn a given controller device into default state
1530 if (!IS_ERR(pctldev->p) && !IS_ERR(pctldev->hog_default)) in pinctrl_force_default()
1531 return pinctrl_commit_state(pctldev->p, pctldev->hog_default); in pinctrl_force_default()
1537 * pinctrl_init_done() - tell pinctrl probe is done
1546 struct dev_pin_info *pins = dev->pins; in pinctrl_init_done()
1552 if (IS_ERR(pins->init_state)) in pinctrl_init_done()
1555 if (pins->p->state != pins->init_state) in pinctrl_init_done()
1558 if (IS_ERR(pins->default_state)) in pinctrl_init_done()
1561 ret = pinctrl_select_state(pins->p, pins->default_state); in pinctrl_init_done()
1571 struct dev_pin_info *pins = dev->pins; in pinctrl_select_bound_state()
1576 ret = pinctrl_select_state(pins->p, state); in pinctrl_select_bound_state()
1579 state->name); in pinctrl_select_bound_state()
1584 * pinctrl_select_default_state() - select default pinctrl state
1589 if (!dev->pins) in pinctrl_select_default_state()
1592 return pinctrl_select_bound_state(dev, dev->pins->default_state); in pinctrl_select_default_state()
1599 * pinctrl_pm_select_default_state() - select default pinctrl state for PM
1609 * pinctrl_pm_select_sleep_state() - select sleep pinctrl state for PM
1614 if (!dev->pins) in pinctrl_pm_select_sleep_state()
1617 return pinctrl_select_bound_state(dev, dev->pins->sleep_state); in pinctrl_pm_select_sleep_state()
1622 * pinctrl_pm_select_idle_state() - select idle pinctrl state for PM
1627 if (!dev->pins) in pinctrl_pm_select_idle_state()
1630 return pinctrl_select_bound_state(dev, dev->pins->idle_state); in pinctrl_pm_select_idle_state()
1639 struct pinctrl_dev *pctldev = s->private; in pinctrl_pins_show()
1640 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_pins_show()
1648 seq_printf(s, "registered pins: %d\n", pctldev->desc->npins); in pinctrl_pins_show()
1650 mutex_lock(&pctldev->mutex); in pinctrl_pins_show()
1653 for (i = 0; i < pctldev->desc->npins; i++) { in pinctrl_pins_show()
1656 pin = pctldev->desc->pins[i].number; in pinctrl_pins_show()
1662 seq_printf(s, "pin %d (%s) ", pin, desc->name); in pinctrl_pins_show()
1665 gpio_num = -1; in pinctrl_pins_show()
1666 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_pins_show()
1667 if ((pin >= range->pin_base) && in pinctrl_pins_show()
1668 (pin < (range->pin_base + range->npins))) { in pinctrl_pins_show()
1669 gpio_num = range->base + (pin - range->pin_base); in pinctrl_pins_show()
1676 * we need to get rid of the range->base eventually and in pinctrl_pins_show()
1683 seq_printf(s, "%u:%s ", gpio_num - chip->gpiodev->base, chip->label); in pinctrl_pins_show()
1688 /* Driver-specific info per pin */ in pinctrl_pins_show()
1689 if (ops->pin_dbg_show) in pinctrl_pins_show()
1690 ops->pin_dbg_show(pctldev, s, pin); in pinctrl_pins_show()
1695 mutex_unlock(&pctldev->mutex); in pinctrl_pins_show()
1703 struct pinctrl_dev *pctldev = s->private; in pinctrl_groups_show()
1704 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_groups_show()
1707 mutex_lock(&pctldev->mutex); in pinctrl_groups_show()
1709 ngroups = ops->get_groups_count(pctldev); in pinctrl_groups_show()
1715 const char *gname = ops->get_group_name(pctldev, selector); in pinctrl_groups_show()
1720 if (ops->get_group_pins) in pinctrl_groups_show()
1721 ret = ops->get_group_pins(pctldev, selector, in pinctrl_groups_show()
1731 mutex_unlock(&pctldev->mutex); in pinctrl_groups_show()
1732 return -EINVAL; in pinctrl_groups_show()
1741 mutex_unlock(&pctldev->mutex); in pinctrl_groups_show()
1749 struct pinctrl_dev *pctldev = s->private; in pinctrl_gpioranges_show()
1754 mutex_lock(&pctldev->mutex); in pinctrl_gpioranges_show()
1757 list_for_each_entry(range, &pctldev->gpio_ranges, node) { in pinctrl_gpioranges_show()
1758 if (range->pins) { in pinctrl_gpioranges_show()
1760 seq_printf(s, "%u: %s GPIOS [%u - %u] PINS {", in pinctrl_gpioranges_show()
1761 range->id, range->name, in pinctrl_gpioranges_show()
1762 range->base, (range->base + range->npins - 1)); in pinctrl_gpioranges_show()
1763 for (a = 0; a < range->npins - 1; a++) in pinctrl_gpioranges_show()
1764 seq_printf(s, "%u, ", range->pins[a]); in pinctrl_gpioranges_show()
1765 seq_printf(s, "%u}\n", range->pins[a]); in pinctrl_gpioranges_show()
1768 seq_printf(s, "%u: %s GPIOS [%u - %u] PINS [%u - %u]\n", in pinctrl_gpioranges_show()
1769 range->id, range->name, in pinctrl_gpioranges_show()
1770 range->base, (range->base + range->npins - 1), in pinctrl_gpioranges_show()
1771 range->pin_base, in pinctrl_gpioranges_show()
1772 (range->pin_base + range->npins - 1)); in pinctrl_gpioranges_show()
1775 mutex_unlock(&pctldev->mutex); in pinctrl_gpioranges_show()
1790 seq_printf(s, "%s ", pctldev->desc->name); in pinctrl_devices_show()
1791 if (pctldev->desc->pmxops) in pinctrl_devices_show()
1795 if (pctldev->desc->confops) in pinctrl_devices_show()
1834 map->dev_name, map->name, map_type(map->type), in pinctrl_maps_show()
1835 map->type); in pinctrl_maps_show()
1837 if (map->type != PIN_MAP_TYPE_DUMMY_STATE) in pinctrl_maps_show()
1839 map->ctrl_dev_name); in pinctrl_maps_show()
1841 switch (map->type) { in pinctrl_maps_show()
1873 dev_name(p->dev), in pinctrl_show()
1874 p->state ? p->state->name : "none"); in pinctrl_show()
1876 list_for_each_entry(state, &p->states, node) { in pinctrl_show()
1877 seq_printf(s, " state: %s\n", state->name); in pinctrl_show()
1879 list_for_each_entry(setting, &state->settings, node) { in pinctrl_show()
1880 struct pinctrl_dev *pctldev = setting->pctldev; in pinctrl_show()
1883 map_type(setting->type), in pinctrl_show()
1886 switch (setting->type) { in pinctrl_show()
1914 if (pctldev->desc->name && in pinctrl_init_device_debugfs()
1915 strcmp(dev_name(pctldev->dev), pctldev->desc->name)) { in pinctrl_init_device_debugfs()
1916 debugfs_name = devm_kasprintf(pctldev->dev, GFP_KERNEL, in pinctrl_init_device_debugfs()
1917 "%s-%s", dev_name(pctldev->dev), in pinctrl_init_device_debugfs()
1918 pctldev->desc->name); in pinctrl_init_device_debugfs()
1921 dev_name(pctldev->dev)); in pinctrl_init_device_debugfs()
1925 debugfs_name = dev_name(pctldev->dev); in pinctrl_init_device_debugfs()
1929 pctldev->device_root = device_root; in pinctrl_init_device_debugfs()
1933 dev_name(pctldev->dev)); in pinctrl_init_device_debugfs()
1940 debugfs_create_file("gpio-ranges", 0444, in pinctrl_init_device_debugfs()
1942 if (pctldev->desc->pmxops) in pinctrl_init_device_debugfs()
1944 if (pctldev->desc->confops) in pinctrl_init_device_debugfs()
1950 debugfs_remove_recursive(pctldev->device_root); in pinctrl_remove_device_debugfs()
1962 debugfs_create_file("pinctrl-devices", 0444, in pinctrl_init_debugfs()
1964 debugfs_create_file("pinctrl-maps", 0444, in pinctrl_init_debugfs()
1966 debugfs_create_file("pinctrl-handles", 0444, in pinctrl_init_debugfs()
1988 const struct pinctrl_ops *ops = pctldev->desc->pctlops; in pinctrl_check_ops()
1991 !ops->get_groups_count || in pinctrl_check_ops()
1992 !ops->get_group_name) in pinctrl_check_ops()
1993 return -EINVAL; in pinctrl_check_ops()
1999 * pinctrl_init_controller() - init a pin controller device
2012 return ERR_PTR(-EINVAL); in pinctrl_init_controller()
2013 if (!pctldesc->name) in pinctrl_init_controller()
2014 return ERR_PTR(-EINVAL); in pinctrl_init_controller()
2018 return ERR_PTR(-ENOMEM); in pinctrl_init_controller()
2021 pctldev->owner = pctldesc->owner; in pinctrl_init_controller()
2022 pctldev->desc = pctldesc; in pinctrl_init_controller()
2023 pctldev->driver_data = driver_data; in pinctrl_init_controller()
2024 INIT_RADIX_TREE(&pctldev->pin_desc_tree, GFP_KERNEL); in pinctrl_init_controller()
2026 INIT_RADIX_TREE(&pctldev->pin_group_tree, GFP_KERNEL); in pinctrl_init_controller()
2029 INIT_RADIX_TREE(&pctldev->pin_function_tree, GFP_KERNEL); in pinctrl_init_controller()
2031 INIT_LIST_HEAD(&pctldev->gpio_ranges); in pinctrl_init_controller()
2032 INIT_LIST_HEAD(&pctldev->node); in pinctrl_init_controller()
2033 pctldev->dev = dev; in pinctrl_init_controller()
2034 mutex_init(&pctldev->mutex); in pinctrl_init_controller()
2044 if (pctldesc->pmxops) { in pinctrl_init_controller()
2051 if (pctldesc->confops) { in pinctrl_init_controller()
2058 dev_dbg(dev, "try to register %d pins ...\n", pctldesc->npins); in pinctrl_init_controller()
2059 ret = pinctrl_register_pins(pctldev, pctldesc->pins, pctldesc->npins); in pinctrl_init_controller()
2062 pinctrl_free_pindescs(pctldev, pctldesc->pins, in pinctrl_init_controller()
2063 pctldesc->npins); in pinctrl_init_controller()
2070 mutex_destroy(&pctldev->mutex); in pinctrl_init_controller()
2077 pctldev->p = create_pinctrl(pctldev->dev, pctldev); in pinctrl_claim_hogs()
2078 if (PTR_ERR(pctldev->p) == -ENODEV) { in pinctrl_claim_hogs()
2079 dev_dbg(pctldev->dev, "no hogs found\n"); in pinctrl_claim_hogs()
2084 if (IS_ERR(pctldev->p)) { in pinctrl_claim_hogs()
2085 dev_err(pctldev->dev, "error claiming hogs: %li\n", in pinctrl_claim_hogs()
2086 PTR_ERR(pctldev->p)); in pinctrl_claim_hogs()
2088 return PTR_ERR(pctldev->p); in pinctrl_claim_hogs()
2091 pctldev->hog_default = in pinctrl_claim_hogs()
2092 pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT); in pinctrl_claim_hogs()
2093 if (IS_ERR(pctldev->hog_default)) { in pinctrl_claim_hogs()
2094 dev_dbg(pctldev->dev, in pinctrl_claim_hogs()
2097 if (pinctrl_select_state(pctldev->p, in pinctrl_claim_hogs()
2098 pctldev->hog_default)) in pinctrl_claim_hogs()
2099 dev_err(pctldev->dev, in pinctrl_claim_hogs()
2103 pctldev->hog_sleep = in pinctrl_claim_hogs()
2104 pinctrl_lookup_state(pctldev->p, in pinctrl_claim_hogs()
2106 if (IS_ERR(pctldev->hog_sleep)) in pinctrl_claim_hogs()
2107 dev_dbg(pctldev->dev, in pinctrl_claim_hogs()
2119 dev_err(pctldev->dev, "could not claim hogs: %i\n", in pinctrl_enable()
2121 pinctrl_free_pindescs(pctldev, pctldev->desc->pins, in pinctrl_enable()
2122 pctldev->desc->npins); in pinctrl_enable()
2123 mutex_destroy(&pctldev->mutex); in pinctrl_enable()
2130 list_add_tail(&pctldev->node, &pinctrldev_list); in pinctrl_enable()
2140 * pinctrl_register() - register a pin controller device
2169 * pinctrl_register_and_init() - register and init pin controller device
2201 * pinctrl_unregister() - unregister pinmux
2213 mutex_lock(&pctldev->mutex); in pinctrl_unregister()
2215 mutex_unlock(&pctldev->mutex); in pinctrl_unregister()
2217 if (!IS_ERR_OR_NULL(pctldev->p)) in pinctrl_unregister()
2218 pinctrl_put(pctldev->p); in pinctrl_unregister()
2221 mutex_lock(&pctldev->mutex); in pinctrl_unregister()
2223 list_del(&pctldev->node); in pinctrl_unregister()
2227 pinctrl_free_pindescs(pctldev, pctldev->desc->pins, in pinctrl_unregister()
2228 pctldev->desc->npins); in pinctrl_unregister()
2230 list_for_each_entry_safe(range, n, &pctldev->gpio_ranges, node) in pinctrl_unregister()
2231 list_del(&range->node); in pinctrl_unregister()
2233 mutex_unlock(&pctldev->mutex); in pinctrl_unregister()
2234 mutex_destroy(&pctldev->mutex); in pinctrl_unregister()
2258 * devm_pinctrl_register() - Resource managed version of pinctrl_register().
2276 return ERR_PTR(-ENOMEM); in devm_pinctrl_register()
2292 * devm_pinctrl_register_and_init() - Resource managed pinctrl register and init
2312 return -ENOMEM; in devm_pinctrl_register_and_init()
2328 * devm_pinctrl_unregister() - Resource managed version of pinctrl_unregister().