Lines Matching full:phy

3  * phy-core.c  --  Generic Phy framework.
18 #include <linux/phy/phy.h>
25 .name = "phy",
37 struct phy *phy = *(struct phy **)res; in devm_phy_release() local
39 phy_put(dev, phy); in devm_phy_release()
51 struct phy *phy = *(struct phy **)res; in devm_phy_consume() local
53 phy_destroy(phy); in devm_phy_consume()
58 struct phy **phy = res; in devm_phy_match() local
60 return *phy == match_data; in devm_phy_match()
64 * phy_create_lookup() - allocate and register PHY/device association
65 * @phy: the phy of the association
71 int phy_create_lookup(struct phy *phy, const char *con_id, const char *dev_id) in phy_create_lookup() argument
75 if (!phy || !dev_id || !con_id) in phy_create_lookup()
84 pl->phy = phy; in phy_create_lookup()
95 * phy_remove_lookup() - find and remove PHY/device association
96 * @phy: the phy of the association
103 void phy_remove_lookup(struct phy *phy, const char *con_id, const char *dev_id) in phy_remove_lookup() argument
107 if (!phy || !dev_id || !con_id) in phy_remove_lookup()
112 if (pl->phy == phy && !strcmp(pl->dev_id, dev_id) && in phy_remove_lookup()
122 static struct phy *phy_find(struct device *dev, const char *con_id) in phy_find()
135 return pl ? pl->phy : ERR_PTR(-ENODEV); in phy_find()
155 int phy_pm_runtime_get(struct phy *phy) in phy_pm_runtime_get() argument
159 if (!phy) in phy_pm_runtime_get()
162 if (!pm_runtime_enabled(&phy->dev)) in phy_pm_runtime_get()
165 ret = pm_runtime_get(&phy->dev); in phy_pm_runtime_get()
167 pm_runtime_put_noidle(&phy->dev); in phy_pm_runtime_get()
173 int phy_pm_runtime_get_sync(struct phy *phy) in phy_pm_runtime_get_sync() argument
177 if (!phy) in phy_pm_runtime_get_sync()
180 if (!pm_runtime_enabled(&phy->dev)) in phy_pm_runtime_get_sync()
183 ret = pm_runtime_get_sync(&phy->dev); in phy_pm_runtime_get_sync()
185 pm_runtime_put_sync(&phy->dev); in phy_pm_runtime_get_sync()
191 int phy_pm_runtime_put(struct phy *phy) in phy_pm_runtime_put() argument
193 if (!phy) in phy_pm_runtime_put()
196 if (!pm_runtime_enabled(&phy->dev)) in phy_pm_runtime_put()
199 return pm_runtime_put(&phy->dev); in phy_pm_runtime_put()
203 int phy_pm_runtime_put_sync(struct phy *phy) in phy_pm_runtime_put_sync() argument
205 if (!phy) in phy_pm_runtime_put_sync()
208 if (!pm_runtime_enabled(&phy->dev)) in phy_pm_runtime_put_sync()
211 return pm_runtime_put_sync(&phy->dev); in phy_pm_runtime_put_sync()
215 void phy_pm_runtime_allow(struct phy *phy) in phy_pm_runtime_allow() argument
217 if (!phy) in phy_pm_runtime_allow()
220 if (!pm_runtime_enabled(&phy->dev)) in phy_pm_runtime_allow()
223 pm_runtime_allow(&phy->dev); in phy_pm_runtime_allow()
227 void phy_pm_runtime_forbid(struct phy *phy) in phy_pm_runtime_forbid() argument
229 if (!phy) in phy_pm_runtime_forbid()
232 if (!pm_runtime_enabled(&phy->dev)) in phy_pm_runtime_forbid()
235 pm_runtime_forbid(&phy->dev); in phy_pm_runtime_forbid()
240 * phy_init - phy internal initialization before phy operation
241 * @phy: the phy returned by phy_get()
243 * Used to allow phy's driver to perform phy internal initialization,
245 * is required by the phy to perform the start of operation.
250 int phy_init(struct phy *phy) in phy_init() argument
254 if (!phy) in phy_init()
257 ret = phy_pm_runtime_get_sync(phy); in phy_init()
262 mutex_lock(&phy->mutex); in phy_init()
263 if (phy->power_count > phy->init_count) in phy_init()
264 dev_warn(&phy->dev, "phy_power_on was called before phy_init\n"); in phy_init()
266 if (phy->init_count == 0 && phy->ops->init) { in phy_init()
267 ret = phy->ops->init(phy); in phy_init()
269 dev_err(&phy->dev, "phy init failed --> %d\n", ret); in phy_init()
273 ++phy->init_count; in phy_init()
276 mutex_unlock(&phy->mutex); in phy_init()
277 phy_pm_runtime_put(phy); in phy_init()
283 * phy_exit - Phy internal un-initialization
284 * @phy: the phy returned by phy_get()
290 int phy_exit(struct phy *phy) in phy_exit() argument
294 if (!phy) in phy_exit()
297 ret = phy_pm_runtime_get_sync(phy); in phy_exit()
302 mutex_lock(&phy->mutex); in phy_exit()
303 if (phy->init_count == 1 && phy->ops->exit) { in phy_exit()
304 ret = phy->ops->exit(phy); in phy_exit()
306 dev_err(&phy->dev, "phy exit failed --> %d\n", ret); in phy_exit()
310 --phy->init_count; in phy_exit()
313 mutex_unlock(&phy->mutex); in phy_exit()
314 phy_pm_runtime_put(phy); in phy_exit()
320 * phy_power_on - Enable the phy and enter proper operation
321 * @phy: the phy returned by phy_get()
327 int phy_power_on(struct phy *phy) in phy_power_on() argument
331 if (!phy) in phy_power_on()
334 if (phy->pwr) { in phy_power_on()
335 ret = regulator_enable(phy->pwr); in phy_power_on()
340 ret = phy_pm_runtime_get_sync(phy); in phy_power_on()
346 mutex_lock(&phy->mutex); in phy_power_on()
347 if (phy->power_count == 0 && phy->ops->power_on) { in phy_power_on()
348 ret = phy->ops->power_on(phy); in phy_power_on()
350 dev_err(&phy->dev, "phy poweron failed --> %d\n", ret); in phy_power_on()
354 ++phy->power_count; in phy_power_on()
355 mutex_unlock(&phy->mutex); in phy_power_on()
359 mutex_unlock(&phy->mutex); in phy_power_on()
360 phy_pm_runtime_put_sync(phy); in phy_power_on()
362 if (phy->pwr) in phy_power_on()
363 regulator_disable(phy->pwr); in phy_power_on()
370 * phy_power_off - Disable the phy.
371 * @phy: the phy returned by phy_get()
377 int phy_power_off(struct phy *phy) in phy_power_off() argument
381 if (!phy) in phy_power_off()
384 mutex_lock(&phy->mutex); in phy_power_off()
385 if (phy->power_count == 1 && phy->ops->power_off) { in phy_power_off()
386 ret = phy->ops->power_off(phy); in phy_power_off()
388 dev_err(&phy->dev, "phy poweroff failed --> %d\n", ret); in phy_power_off()
389 mutex_unlock(&phy->mutex); in phy_power_off()
393 --phy->power_count; in phy_power_off()
394 mutex_unlock(&phy->mutex); in phy_power_off()
395 phy_pm_runtime_put(phy); in phy_power_off()
397 if (phy->pwr) in phy_power_off()
398 regulator_disable(phy->pwr); in phy_power_off()
404 int phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode) in phy_set_mode_ext() argument
408 if (!phy || !phy->ops->set_mode) in phy_set_mode_ext()
411 mutex_lock(&phy->mutex); in phy_set_mode_ext()
412 ret = phy->ops->set_mode(phy, mode, submode); in phy_set_mode_ext()
414 phy->attrs.mode = mode; in phy_set_mode_ext()
415 mutex_unlock(&phy->mutex); in phy_set_mode_ext()
421 int phy_set_media(struct phy *phy, enum phy_media media) in phy_set_media() argument
425 if (!phy || !phy->ops->set_media) in phy_set_media()
428 mutex_lock(&phy->mutex); in phy_set_media()
429 ret = phy->ops->set_media(phy, media); in phy_set_media()
430 mutex_unlock(&phy->mutex); in phy_set_media()
436 int phy_set_speed(struct phy *phy, int speed) in phy_set_speed() argument
440 if (!phy || !phy->ops->set_speed) in phy_set_speed()
443 mutex_lock(&phy->mutex); in phy_set_speed()
444 ret = phy->ops->set_speed(phy, speed); in phy_set_speed()
445 mutex_unlock(&phy->mutex); in phy_set_speed()
451 int phy_reset(struct phy *phy) in phy_reset() argument
455 if (!phy || !phy->ops->reset) in phy_reset()
458 ret = phy_pm_runtime_get_sync(phy); in phy_reset()
462 mutex_lock(&phy->mutex); in phy_reset()
463 ret = phy->ops->reset(phy); in phy_reset()
464 mutex_unlock(&phy->mutex); in phy_reset()
466 phy_pm_runtime_put(phy); in phy_reset()
473 * phy_calibrate() - Tunes the phy hw parameters for current configuration
474 * @phy: the phy returned by phy_get()
476 * Used to calibrate phy hardware, typically by adjusting some parameters in
482 int phy_calibrate(struct phy *phy) in phy_calibrate() argument
486 if (!phy || !phy->ops->calibrate) in phy_calibrate()
489 mutex_lock(&phy->mutex); in phy_calibrate()
490 ret = phy->ops->calibrate(phy); in phy_calibrate()
491 mutex_unlock(&phy->mutex); in phy_calibrate()
498 * phy_notify_connect() - phy connect notification
499 * @phy: the phy returned by phy_get()
502 * If the phy needs to get connection status, the callback can be used.
505 int phy_notify_connect(struct phy *phy, int port) in phy_notify_connect() argument
509 if (!phy || !phy->ops->connect) in phy_notify_connect()
512 mutex_lock(&phy->mutex); in phy_notify_connect()
513 ret = phy->ops->connect(phy, port); in phy_notify_connect()
514 mutex_unlock(&phy->mutex); in phy_notify_connect()
521 * phy_notify_disconnect() - phy disconnect notification
522 * @phy: the phy returned by phy_get()
525 * If the phy needs to get connection status, the callback can be used.
529 int phy_notify_disconnect(struct phy *phy, int port) in phy_notify_disconnect() argument
533 if (!phy || !phy->ops->disconnect) in phy_notify_disconnect()
536 mutex_lock(&phy->mutex); in phy_notify_disconnect()
537 ret = phy->ops->disconnect(phy, port); in phy_notify_disconnect()
538 mutex_unlock(&phy->mutex); in phy_notify_disconnect()
545 * phy_configure() - Changes the phy parameters
546 * @phy: the phy returned by phy_get()
549 * Used to change the PHY parameters. phy_init() must have been called
550 * on the phy. The configuration will be applied on the current phy
555 int phy_configure(struct phy *phy, union phy_configure_opts *opts) in phy_configure() argument
559 if (!phy) in phy_configure()
562 if (!phy->ops->configure) in phy_configure()
565 mutex_lock(&phy->mutex); in phy_configure()
566 ret = phy->ops->configure(phy, opts); in phy_configure()
567 mutex_unlock(&phy->mutex); in phy_configure()
574 * phy_validate() - Checks the phy parameters
575 * @phy: the phy returned by phy_get()
577 * @submode: PHY submode the configuration is applicable to.
581 * the phy. Implementations are free to tune the parameters passed as
584 * PHY, so calling it as many times as deemed fit will have no side
589 int phy_validate(struct phy *phy, enum phy_mode mode, int submode, in phy_validate() argument
594 if (!phy) in phy_validate()
597 if (!phy->ops->validate) in phy_validate()
600 mutex_lock(&phy->mutex); in phy_validate()
601 ret = phy->ops->validate(phy, mode, submode, opts); in phy_validate()
602 mutex_unlock(&phy->mutex); in phy_validate()
609 * _of_phy_get() - lookup and obtain a reference to a phy by phandle
610 * @np: device_node for which to get the phy
611 * @index: the index of the phy
613 * Returns the phy associated with the given phandle value,
614 * after getting a refcount to it or -ENODEV if there is no such phy or
615 * -EPROBE_DEFER if there is a phandle to the phy, but the device is
617 * while registering the phy_provider to find the phy instance.
619 static struct phy *_of_phy_get(struct device_node *np, int index) in _of_phy_get()
623 struct phy *phy = NULL; in _of_phy_get() local
626 ret = of_parse_phandle_with_args(np, "phys", "#phy-cells", in _of_phy_get()
631 /* This phy type handled by the usb-phy subsystem for now */ in _of_phy_get()
638 phy = ERR_PTR(-EPROBE_DEFER); in _of_phy_get()
643 dev_warn(phy_provider->dev, "Requested PHY is disabled\n"); in _of_phy_get()
644 phy = ERR_PTR(-ENODEV); in _of_phy_get()
648 phy = phy_provider->of_xlate(phy_provider->dev, &args); in _of_phy_get()
657 return phy; in _of_phy_get()
661 * of_phy_get() - lookup and obtain a reference to a phy using a device_node.
662 * @np: device_node for which to get the phy
663 * @con_id: name of the phy from device's point of view
665 * Returns the phy driver, after getting a refcount to it; or
666 * -ENODEV if there is no such phy. The caller is responsible for
669 struct phy *of_phy_get(struct device_node *np, const char *con_id) in of_phy_get()
671 struct phy *phy = NULL; in of_phy_get() local
675 index = of_property_match_string(np, "phy-names", con_id); in of_phy_get()
677 phy = _of_phy_get(np, index); in of_phy_get()
678 if (IS_ERR(phy)) in of_phy_get()
679 return phy; in of_phy_get()
681 if (!try_module_get(phy->ops->owner)) in of_phy_get()
684 get_device(&phy->dev); in of_phy_get()
686 return phy; in of_phy_get()
691 * of_phy_put() - release the PHY
692 * @phy: the phy returned by of_phy_get()
696 void of_phy_put(struct phy *phy) in of_phy_put() argument
698 if (!phy || IS_ERR(phy)) in of_phy_put()
701 mutex_lock(&phy->mutex); in of_phy_put()
702 if (phy->ops->release) in of_phy_put()
703 phy->ops->release(phy); in of_phy_put()
704 mutex_unlock(&phy->mutex); in of_phy_put()
706 module_put(phy->ops->owner); in of_phy_put()
707 put_device(&phy->dev); in of_phy_put()
712 * phy_put() - release the PHY
713 * @dev: device that wants to release this phy
714 * @phy: the phy returned by phy_get()
718 void phy_put(struct device *dev, struct phy *phy) in phy_put() argument
720 device_link_remove(dev, &phy->dev); in phy_put()
721 of_phy_put(phy); in phy_put()
726 * devm_phy_put() - release the PHY
727 * @dev: device that wants to release this phy
728 * @phy: the phy returned by devm_phy_get()
730 * destroys the devres associated with this phy and invokes phy_put
731 * to release the phy.
733 void devm_phy_put(struct device *dev, struct phy *phy) in devm_phy_put() argument
737 if (!phy) in devm_phy_put()
740 r = devres_destroy(dev, devm_phy_release, devm_phy_match, phy); in devm_phy_put()
741 dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n"); in devm_phy_put()
746 * of_phy_simple_xlate() - returns the phy instance from phy provider
747 * @dev: the PHY provider device
750 * Intended to be used by phy provider for the common case where #phy-cells is
751 * 0. For other cases where #phy-cells is greater than '0', the phy provider
753 * the appropriate phy.
755 struct phy *of_phy_simple_xlate(struct device *dev, in of_phy_simple_xlate()
758 struct phy *phy; in of_phy_simple_xlate() local
763 phy = to_phy(dev); in of_phy_simple_xlate()
764 if (args->np != phy->dev.of_node) in of_phy_simple_xlate()
768 return phy; in of_phy_simple_xlate()
777 * phy_get() - lookup and obtain a reference to a phy.
778 * @dev: device that requests this phy
779 * @string: the phy name as given in the dt data or the name of the controller
782 * Returns the phy driver, after getting a refcount to it; or
783 * -ENODEV if there is no such phy. The caller is responsible for
786 struct phy *phy_get(struct device *dev, const char *string) in phy_get()
789 struct phy *phy; in phy_get() local
794 index = of_property_match_string(dev->of_node, "phy-names", in phy_get()
798 phy = _of_phy_get(dev->of_node, index); in phy_get()
804 phy = phy_find(dev, string); in phy_get()
806 if (IS_ERR(phy)) in phy_get()
807 return phy; in phy_get()
809 if (!try_module_get(phy->ops->owner)) in phy_get()
812 get_device(&phy->dev); in phy_get()
814 link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); in phy_get()
817 dev_name(phy->dev.parent)); in phy_get()
819 return phy; in phy_get()
824 * devm_phy_get() - lookup and obtain a reference to a phy.
825 * @dev: device that requests this phy
826 * @string: the phy name as given in the dt data or phy device name
829 * Gets the phy using phy_get(), and associates a device with it using
833 struct phy *devm_phy_get(struct device *dev, const char *string) in devm_phy_get()
835 struct phy **ptr, *phy; in devm_phy_get() local
841 phy = phy_get(dev, string); in devm_phy_get()
842 if (!IS_ERR(phy)) { in devm_phy_get()
843 *ptr = phy; in devm_phy_get()
849 return phy; in devm_phy_get()
854 * devm_phy_optional_get() - lookup and obtain a reference to an optional phy.
855 * @dev: device that requests this phy
856 * @string: the phy name as given in the dt data or phy device name
859 * Gets the phy using phy_get(), and associates a device with it using
862 * that if the phy does not exist, it is not considered an error and
863 * -ENODEV will not be returned. Instead the NULL phy is returned,
864 * which can be passed to all other phy consumer calls.
866 struct phy *devm_phy_optional_get(struct device *dev, const char *string) in devm_phy_optional_get()
868 struct phy *phy = devm_phy_get(dev, string); in devm_phy_optional_get() local
870 if (PTR_ERR(phy) == -ENODEV) in devm_phy_optional_get()
871 phy = NULL; in devm_phy_optional_get()
873 return phy; in devm_phy_optional_get()
878 * devm_of_phy_get() - lookup and obtain a reference to a phy.
879 * @dev: device that requests this phy
880 * @np: node containing the phy
881 * @con_id: name of the phy from device's point of view
883 * Gets the phy using of_phy_get(), and associates a device with it using
887 struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, in devm_of_phy_get()
890 struct phy **ptr, *phy; in devm_of_phy_get() local
897 phy = of_phy_get(np, con_id); in devm_of_phy_get()
898 if (!IS_ERR(phy)) { in devm_of_phy_get()
899 *ptr = phy; in devm_of_phy_get()
903 return phy; in devm_of_phy_get()
906 link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); in devm_of_phy_get()
909 dev_name(phy->dev.parent)); in devm_of_phy_get()
911 return phy; in devm_of_phy_get()
917 * phy.
918 * @dev: device that requests this phy
919 * @np: node containing the phy
920 * @con_id: name of the phy from device's point of view
922 * Gets the phy using of_phy_get(), and associates a device with it using
925 * that if the phy does not exist, it is not considered an error and
926 * -ENODEV will not be returned. Instead the NULL phy is returned,
927 * which can be passed to all other phy consumer calls.
929 struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np, in devm_of_phy_optional_get()
932 struct phy *phy = devm_of_phy_get(dev, np, con_id); in devm_of_phy_optional_get() local
934 if (PTR_ERR(phy) == -ENODEV) in devm_of_phy_optional_get()
935 phy = NULL; in devm_of_phy_optional_get()
937 if (IS_ERR(phy)) in devm_of_phy_optional_get()
938 dev_err_probe(dev, PTR_ERR(phy), "failed to get PHY %pOF:%s", in devm_of_phy_optional_get()
941 return phy; in devm_of_phy_optional_get()
946 * devm_of_phy_get_by_index() - lookup and obtain a reference to a phy by index.
947 * @dev: device that requests this phy
948 * @np: node containing the phy
949 * @index: index of the phy
951 * Gets the phy using _of_phy_get(), then gets a refcount to it,
957 struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, in devm_of_phy_get_by_index()
960 struct phy **ptr, *phy; in devm_of_phy_get_by_index() local
967 phy = _of_phy_get(np, index); in devm_of_phy_get_by_index()
968 if (IS_ERR(phy)) { in devm_of_phy_get_by_index()
970 return phy; in devm_of_phy_get_by_index()
973 if (!try_module_get(phy->ops->owner)) { in devm_of_phy_get_by_index()
978 get_device(&phy->dev); in devm_of_phy_get_by_index()
980 *ptr = phy; in devm_of_phy_get_by_index()
983 link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); in devm_of_phy_get_by_index()
986 dev_name(phy->dev.parent)); in devm_of_phy_get_by_index()
988 return phy; in devm_of_phy_get_by_index()
993 * phy_create() - create a new phy
994 * @dev: device that is creating the new phy
995 * @node: device node of the phy
996 * @ops: function pointers for performing phy operations
998 * Called to create a phy using phy framework.
1000 struct phy *phy_create(struct device *dev, struct device_node *node, in phy_create()
1005 struct phy *phy; in phy_create() local
1010 phy = kzalloc(sizeof(*phy), GFP_KERNEL); in phy_create()
1011 if (!phy) in phy_create()
1021 device_initialize(&phy->dev); in phy_create()
1022 mutex_init(&phy->mutex); in phy_create()
1024 phy->dev.class = &phy_class; in phy_create()
1025 phy->dev.parent = dev; in phy_create()
1026 phy->dev.of_node = node ?: dev->of_node; in phy_create()
1027 phy->id = id; in phy_create()
1028 phy->ops = ops; in phy_create()
1030 ret = dev_set_name(&phy->dev, "phy-%s.%d", dev_name(dev), id); in phy_create()
1034 /* phy-supply */ in phy_create()
1035 phy->pwr = regulator_get_optional(&phy->dev, "phy"); in phy_create()
1036 if (IS_ERR(phy->pwr)) { in phy_create()
1037 ret = PTR_ERR(phy->pwr); in phy_create()
1041 phy->pwr = NULL; in phy_create()
1044 ret = device_add(&phy->dev); in phy_create()
1049 pm_runtime_enable(&phy->dev); in phy_create()
1050 pm_runtime_no_callbacks(&phy->dev); in phy_create()
1053 phy->debugfs = debugfs_create_dir(dev_name(&phy->dev), phy_debugfs_root); in phy_create()
1055 return phy; in phy_create()
1058 put_device(&phy->dev); /* calls phy_release() which frees resources */ in phy_create()
1062 kfree(phy); in phy_create()
1068 * devm_phy_create() - create a new phy
1069 * @dev: device that is creating the new phy
1070 * @node: device node of the phy
1071 * @ops: function pointers for performing phy operations
1073 * Creates a new PHY device adding it to the PHY class.
1074 * While at that, it also associates the device with the phy using devres.
1078 struct phy *devm_phy_create(struct device *dev, struct device_node *node, in devm_phy_create()
1081 struct phy **ptr, *phy; in devm_phy_create() local
1087 phy = phy_create(dev, node, ops); in devm_phy_create()
1088 if (!IS_ERR(phy)) { in devm_phy_create()
1089 *ptr = phy; in devm_phy_create()
1095 return phy; in devm_phy_create()
1100 * phy_destroy() - destroy the phy
1101 * @phy: the phy to be destroyed
1103 * Called to destroy the phy.
1105 void phy_destroy(struct phy *phy) in phy_destroy() argument
1107 pm_runtime_disable(&phy->dev); in phy_destroy()
1108 device_unregister(&phy->dev); in phy_destroy()
1113 * devm_phy_destroy() - destroy the PHY
1114 * @dev: device that wants to release this phy
1115 * @phy: the phy returned by devm_phy_get()
1117 * destroys the devres associated with this phy and invokes phy_destroy
1118 * to destroy the phy.
1120 void devm_phy_destroy(struct device *dev, struct phy *phy) in devm_phy_destroy() argument
1124 r = devres_destroy(dev, devm_phy_consume, devm_phy_match, phy); in devm_phy_destroy()
1125 dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n"); in devm_phy_destroy()
1130 * __of_phy_provider_register() - create/register phy provider with the framework
1131 * @dev: struct device of the phy provider
1134 * @of_xlate: function pointer to obtain phy instance from phy provider
1137 * This is used in the case of dt boot for finding the phy instance from
1138 * phy provider.
1140 * If the PHY provider doesn't nest children directly but uses a separate
1149 struct phy * (*of_xlate)(struct device *dev, in __of_phy_provider_register()
1197 * __devm_of_phy_provider_register() - create/register phy provider with the
1199 * @dev: struct device of the phy provider
1202 * @of_xlate: function pointer to obtain phy instance from phy provider
1205 * This is used in the case of dt boot for finding the phy instance from
1206 * phy provider. While at that, it also associates the device with the
1207 * phy provider using devres. On driver detach, release function is invoked
1212 struct phy * (*of_xlate)(struct device *dev, in __devm_of_phy_provider_register()
1235 * of_phy_provider_unregister() - unregister phy provider from the framework
1236 * @phy_provider: phy provider returned by of_phy_provider_register()
1254 * devm_of_phy_provider_unregister() - remove phy provider from the framework
1255 * @dev: struct device of the phy provider
1256 * @phy_provider: phy provider returned by of_phy_provider_register()
1258 * destroys the devres associated with this phy provider and invokes
1259 * of_phy_provider_unregister to unregister the phy provider.
1268 dev_WARN_ONCE(dev, r, "couldn't find PHY provider device resource\n"); in devm_of_phy_provider_unregister()
1273 * phy_release() - release the phy
1274 * @dev: the dev member within phy
1281 struct phy *phy; in phy_release() local
1283 phy = to_phy(dev); in phy_release()
1285 debugfs_remove_recursive(phy->debugfs); in phy_release()
1286 regulator_put(phy->pwr); in phy_release()
1287 ida_free(&phy_ida, phy->id); in phy_release()
1288 kfree(phy); in phy_release()
1297 pr_err("failed to register phy class"); in phy_core_init()
1301 phy_debugfs_root = debugfs_create_dir("phy", NULL); in phy_core_init()