1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * property.h - Unified device property interface.
4 *
5 * Copyright (C) 2014, Intel Corporation
6 * Authors: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
7 * Mika Westerberg <mika.westerberg@linux.intel.com>
8 */
9
10 #ifndef _LINUX_PROPERTY_H_
11 #define _LINUX_PROPERTY_H_
12
13 #include <linux/bits.h>
14 #include <linux/cleanup.h>
15 #include <linux/fwnode.h>
16 #include <linux/stddef.h>
17 #include <linux/types.h>
18
19 struct device;
20
21 enum dev_prop_type {
22 DEV_PROP_U8,
23 DEV_PROP_U16,
24 DEV_PROP_U32,
25 DEV_PROP_U64,
26 DEV_PROP_STRING,
27 DEV_PROP_REF,
28 };
29
30 enum dev_dma_attr {
31 DEV_DMA_NOT_SUPPORTED,
32 DEV_DMA_NON_COHERENT,
33 DEV_DMA_COHERENT,
34 };
35
36 const struct fwnode_handle *__dev_fwnode_const(const struct device *dev);
37 struct fwnode_handle *__dev_fwnode(struct device *dev);
38 #define dev_fwnode(dev) \
39 _Generic((dev), \
40 const struct device *: __dev_fwnode_const, \
41 struct device *: __dev_fwnode)(dev)
42
43 bool device_property_present(const struct device *dev, const char *propname);
44 int device_property_read_u8_array(const struct device *dev, const char *propname,
45 u8 *val, size_t nval);
46 int device_property_read_u16_array(const struct device *dev, const char *propname,
47 u16 *val, size_t nval);
48 int device_property_read_u32_array(const struct device *dev, const char *propname,
49 u32 *val, size_t nval);
50 int device_property_read_u64_array(const struct device *dev, const char *propname,
51 u64 *val, size_t nval);
52 int device_property_read_string_array(const struct device *dev, const char *propname,
53 const char **val, size_t nval);
54 int device_property_read_string(const struct device *dev, const char *propname,
55 const char **val);
56 int device_property_match_string(const struct device *dev,
57 const char *propname, const char *string);
58
59 bool fwnode_property_present(const struct fwnode_handle *fwnode,
60 const char *propname);
61 int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
62 const char *propname, u8 *val,
63 size_t nval);
64 int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode,
65 const char *propname, u16 *val,
66 size_t nval);
67 int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode,
68 const char *propname, u32 *val,
69 size_t nval);
70 int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode,
71 const char *propname, u64 *val,
72 size_t nval);
73 int fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
74 const char *propname, const char **val,
75 size_t nval);
76 int fwnode_property_read_string(const struct fwnode_handle *fwnode,
77 const char *propname, const char **val);
78 int fwnode_property_match_string(const struct fwnode_handle *fwnode,
79 const char *propname, const char *string);
80
81 bool fwnode_device_is_available(const struct fwnode_handle *fwnode);
82
fwnode_device_is_big_endian(const struct fwnode_handle * fwnode)83 static inline bool fwnode_device_is_big_endian(const struct fwnode_handle *fwnode)
84 {
85 if (fwnode_property_present(fwnode, "big-endian"))
86 return true;
87 if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) &&
88 fwnode_property_present(fwnode, "native-endian"))
89 return true;
90 return false;
91 }
92
93 static inline
fwnode_device_is_compatible(const struct fwnode_handle * fwnode,const char * compat)94 bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat)
95 {
96 return fwnode_property_match_string(fwnode, "compatible", compat) >= 0;
97 }
98
99 /**
100 * device_is_big_endian - check if a device has BE registers
101 * @dev: Pointer to the struct device
102 *
103 * Returns: true if the device has a "big-endian" property, or if the kernel
104 * was compiled for BE *and* the device has a "native-endian" property.
105 * Returns false otherwise.
106 *
107 * Callers would nominally use ioread32be/iowrite32be if
108 * device_is_big_endian() == true, or readl/writel otherwise.
109 */
device_is_big_endian(const struct device * dev)110 static inline bool device_is_big_endian(const struct device *dev)
111 {
112 return fwnode_device_is_big_endian(dev_fwnode(dev));
113 }
114
115 /**
116 * device_is_compatible - match 'compatible' property of the device with a given string
117 * @dev: Pointer to the struct device
118 * @compat: The string to match 'compatible' property with
119 *
120 * Returns: true if matches, otherwise false.
121 */
device_is_compatible(const struct device * dev,const char * compat)122 static inline bool device_is_compatible(const struct device *dev, const char *compat)
123 {
124 return fwnode_device_is_compatible(dev_fwnode(dev), compat);
125 }
126
127 int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,
128 const char *prop, const char *nargs_prop,
129 unsigned int nargs, unsigned int index,
130 struct fwnode_reference_args *args);
131
132 struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode,
133 const char *name,
134 unsigned int index);
135
136 const char *fwnode_get_name(const struct fwnode_handle *fwnode);
137 const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode);
138
139 struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
140 struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
141
142 #define fwnode_for_each_parent_node(fwnode, parent) \
143 for (parent = fwnode_get_parent(fwnode); parent; \
144 parent = fwnode_get_next_parent(parent))
145
146 struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode);
147 unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
148 struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
149 unsigned int depth);
150 bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child);
151 struct fwnode_handle *fwnode_get_next_child_node(
152 const struct fwnode_handle *fwnode, struct fwnode_handle *child);
153 struct fwnode_handle *fwnode_get_next_available_child_node(
154 const struct fwnode_handle *fwnode, struct fwnode_handle *child);
155
156 #define fwnode_for_each_child_node(fwnode, child) \
157 for (child = fwnode_get_next_child_node(fwnode, NULL); child; \
158 child = fwnode_get_next_child_node(fwnode, child))
159
160 #define fwnode_for_each_available_child_node(fwnode, child) \
161 for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\
162 child = fwnode_get_next_available_child_node(fwnode, child))
163
164 struct fwnode_handle *device_get_next_child_node(const struct device *dev,
165 struct fwnode_handle *child);
166
167 #define device_for_each_child_node(dev, child) \
168 for (child = device_get_next_child_node(dev, NULL); child; \
169 child = device_get_next_child_node(dev, child))
170
171 #define device_for_each_child_node_scoped(dev, child) \
172 for (struct fwnode_handle *child __free(fwnode_handle) = \
173 device_get_next_child_node(dev, NULL); \
174 child; child = device_get_next_child_node(dev, child))
175
176 struct fwnode_handle *fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
177 const char *childname);
178 struct fwnode_handle *device_get_named_child_node(const struct device *dev,
179 const char *childname);
180
181 struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode);
182 void fwnode_handle_put(struct fwnode_handle *fwnode);
183
184 DEFINE_FREE(fwnode_handle, struct fwnode_handle *, fwnode_handle_put(_T))
185
186 int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index);
187 int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name);
188
189 unsigned int device_get_child_node_count(const struct device *dev);
190
device_property_read_bool(const struct device * dev,const char * propname)191 static inline bool device_property_read_bool(const struct device *dev,
192 const char *propname)
193 {
194 return device_property_present(dev, propname);
195 }
196
device_property_read_u8(const struct device * dev,const char * propname,u8 * val)197 static inline int device_property_read_u8(const struct device *dev,
198 const char *propname, u8 *val)
199 {
200 return device_property_read_u8_array(dev, propname, val, 1);
201 }
202
device_property_read_u16(const struct device * dev,const char * propname,u16 * val)203 static inline int device_property_read_u16(const struct device *dev,
204 const char *propname, u16 *val)
205 {
206 return device_property_read_u16_array(dev, propname, val, 1);
207 }
208
device_property_read_u32(const struct device * dev,const char * propname,u32 * val)209 static inline int device_property_read_u32(const struct device *dev,
210 const char *propname, u32 *val)
211 {
212 return device_property_read_u32_array(dev, propname, val, 1);
213 }
214
device_property_read_u64(const struct device * dev,const char * propname,u64 * val)215 static inline int device_property_read_u64(const struct device *dev,
216 const char *propname, u64 *val)
217 {
218 return device_property_read_u64_array(dev, propname, val, 1);
219 }
220
device_property_count_u8(const struct device * dev,const char * propname)221 static inline int device_property_count_u8(const struct device *dev, const char *propname)
222 {
223 return device_property_read_u8_array(dev, propname, NULL, 0);
224 }
225
device_property_count_u16(const struct device * dev,const char * propname)226 static inline int device_property_count_u16(const struct device *dev, const char *propname)
227 {
228 return device_property_read_u16_array(dev, propname, NULL, 0);
229 }
230
device_property_count_u32(const struct device * dev,const char * propname)231 static inline int device_property_count_u32(const struct device *dev, const char *propname)
232 {
233 return device_property_read_u32_array(dev, propname, NULL, 0);
234 }
235
device_property_count_u64(const struct device * dev,const char * propname)236 static inline int device_property_count_u64(const struct device *dev, const char *propname)
237 {
238 return device_property_read_u64_array(dev, propname, NULL, 0);
239 }
240
device_property_string_array_count(const struct device * dev,const char * propname)241 static inline int device_property_string_array_count(const struct device *dev,
242 const char *propname)
243 {
244 return device_property_read_string_array(dev, propname, NULL, 0);
245 }
246
fwnode_property_read_bool(const struct fwnode_handle * fwnode,const char * propname)247 static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
248 const char *propname)
249 {
250 return fwnode_property_present(fwnode, propname);
251 }
252
fwnode_property_read_u8(const struct fwnode_handle * fwnode,const char * propname,u8 * val)253 static inline int fwnode_property_read_u8(const struct fwnode_handle *fwnode,
254 const char *propname, u8 *val)
255 {
256 return fwnode_property_read_u8_array(fwnode, propname, val, 1);
257 }
258
fwnode_property_read_u16(const struct fwnode_handle * fwnode,const char * propname,u16 * val)259 static inline int fwnode_property_read_u16(const struct fwnode_handle *fwnode,
260 const char *propname, u16 *val)
261 {
262 return fwnode_property_read_u16_array(fwnode, propname, val, 1);
263 }
264
fwnode_property_read_u32(const struct fwnode_handle * fwnode,const char * propname,u32 * val)265 static inline int fwnode_property_read_u32(const struct fwnode_handle *fwnode,
266 const char *propname, u32 *val)
267 {
268 return fwnode_property_read_u32_array(fwnode, propname, val, 1);
269 }
270
fwnode_property_read_u64(const struct fwnode_handle * fwnode,const char * propname,u64 * val)271 static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode,
272 const char *propname, u64 *val)
273 {
274 return fwnode_property_read_u64_array(fwnode, propname, val, 1);
275 }
276
fwnode_property_count_u8(const struct fwnode_handle * fwnode,const char * propname)277 static inline int fwnode_property_count_u8(const struct fwnode_handle *fwnode,
278 const char *propname)
279 {
280 return fwnode_property_read_u8_array(fwnode, propname, NULL, 0);
281 }
282
fwnode_property_count_u16(const struct fwnode_handle * fwnode,const char * propname)283 static inline int fwnode_property_count_u16(const struct fwnode_handle *fwnode,
284 const char *propname)
285 {
286 return fwnode_property_read_u16_array(fwnode, propname, NULL, 0);
287 }
288
fwnode_property_count_u32(const struct fwnode_handle * fwnode,const char * propname)289 static inline int fwnode_property_count_u32(const struct fwnode_handle *fwnode,
290 const char *propname)
291 {
292 return fwnode_property_read_u32_array(fwnode, propname, NULL, 0);
293 }
294
fwnode_property_count_u64(const struct fwnode_handle * fwnode,const char * propname)295 static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode,
296 const char *propname)
297 {
298 return fwnode_property_read_u64_array(fwnode, propname, NULL, 0);
299 }
300
301 static inline int
fwnode_property_string_array_count(const struct fwnode_handle * fwnode,const char * propname)302 fwnode_property_string_array_count(const struct fwnode_handle *fwnode,
303 const char *propname)
304 {
305 return fwnode_property_read_string_array(fwnode, propname, NULL, 0);
306 }
307
308 struct software_node;
309
310 /**
311 * struct software_node_ref_args - Reference property with additional arguments
312 * @node: Reference to a software node
313 * @nargs: Number of elements in @args array
314 * @args: Integer arguments
315 */
316 struct software_node_ref_args {
317 const struct software_node *node;
318 unsigned int nargs;
319 u64 args[NR_FWNODE_REFERENCE_ARGS];
320 };
321
322 #define SOFTWARE_NODE_REFERENCE(_ref_, ...) \
323 (const struct software_node_ref_args) { \
324 .node = _ref_, \
325 .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \
326 .args = { __VA_ARGS__ }, \
327 }
328
329 /**
330 * struct property_entry - "Built-in" device property representation.
331 * @name: Name of the property.
332 * @length: Length of data making up the value.
333 * @is_inline: True when the property value is stored inline.
334 * @type: Type of the data in unions.
335 * @pointer: Pointer to the property when it is not stored inline.
336 * @value: Value of the property when it is stored inline.
337 */
338 struct property_entry {
339 const char *name;
340 size_t length;
341 bool is_inline;
342 enum dev_prop_type type;
343 union {
344 const void *pointer;
345 union {
346 u8 u8_data[sizeof(u64) / sizeof(u8)];
347 u16 u16_data[sizeof(u64) / sizeof(u16)];
348 u32 u32_data[sizeof(u64) / sizeof(u32)];
349 u64 u64_data[sizeof(u64) / sizeof(u64)];
350 const char *str[sizeof(u64) / sizeof(char *)];
351 } value;
352 };
353 };
354
355 /*
356 * Note: the below initializers for the anonymous union are carefully
357 * crafted to avoid gcc-4.4.4's problems with initialization of anon unions
358 * and structs.
359 */
360 #define __PROPERTY_ENTRY_ARRAY_LEN(_name_, _elem_, _Type_, _val_, _len_) \
361 (struct property_entry) { \
362 .name = _name_, \
363 .length = (_len_) * sizeof_field(struct property_entry, value._elem_[0]), \
364 .type = DEV_PROP_##_Type_, \
365 { .pointer = _val_ }, \
366 }
367
368 #define PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, _len_) \
369 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u8_data, U8, _val_, _len_)
370 #define PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, _len_) \
371 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u16_data, U16, _val_, _len_)
372 #define PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, _len_) \
373 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u32_data, U32, _val_, _len_)
374 #define PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, _len_) \
375 __PROPERTY_ENTRY_ARRAY_LEN(_name_, u64_data, U64, _val_, _len_)
376 #define PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, _len_) \
377 __PROPERTY_ENTRY_ARRAY_LEN(_name_, str, STRING, _val_, _len_)
378
379 #define PROPERTY_ENTRY_REF_ARRAY_LEN(_name_, _val_, _len_) \
380 (struct property_entry) { \
381 .name = _name_, \
382 .length = (_len_) * sizeof(struct software_node_ref_args), \
383 .type = DEV_PROP_REF, \
384 { .pointer = _val_ }, \
385 }
386
387 #define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
388 PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
389 #define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \
390 PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
391 #define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \
392 PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
393 #define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \
394 PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
395 #define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
396 PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
397 #define PROPERTY_ENTRY_REF_ARRAY(_name_, _val_) \
398 PROPERTY_ENTRY_REF_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
399
400 #define __PROPERTY_ENTRY_ELEMENT(_name_, _elem_, _Type_, _val_) \
401 (struct property_entry) { \
402 .name = _name_, \
403 .length = sizeof_field(struct property_entry, value._elem_[0]), \
404 .is_inline = true, \
405 .type = DEV_PROP_##_Type_, \
406 { .value = { ._elem_[0] = _val_ } }, \
407 }
408
409 #define PROPERTY_ENTRY_U8(_name_, _val_) \
410 __PROPERTY_ENTRY_ELEMENT(_name_, u8_data, U8, _val_)
411 #define PROPERTY_ENTRY_U16(_name_, _val_) \
412 __PROPERTY_ENTRY_ELEMENT(_name_, u16_data, U16, _val_)
413 #define PROPERTY_ENTRY_U32(_name_, _val_) \
414 __PROPERTY_ENTRY_ELEMENT(_name_, u32_data, U32, _val_)
415 #define PROPERTY_ENTRY_U64(_name_, _val_) \
416 __PROPERTY_ENTRY_ELEMENT(_name_, u64_data, U64, _val_)
417 #define PROPERTY_ENTRY_STRING(_name_, _val_) \
418 __PROPERTY_ENTRY_ELEMENT(_name_, str, STRING, _val_)
419
420 #define PROPERTY_ENTRY_REF(_name_, _ref_, ...) \
421 (struct property_entry) { \
422 .name = _name_, \
423 .length = sizeof(struct software_node_ref_args), \
424 .type = DEV_PROP_REF, \
425 { .pointer = &SOFTWARE_NODE_REFERENCE(_ref_, ##__VA_ARGS__), }, \
426 }
427
428 #define PROPERTY_ENTRY_BOOL(_name_) \
429 (struct property_entry) { \
430 .name = _name_, \
431 .is_inline = true, \
432 }
433
434 struct property_entry *
435 property_entries_dup(const struct property_entry *properties);
436 void property_entries_free(const struct property_entry *properties);
437
438 bool device_dma_supported(const struct device *dev);
439 enum dev_dma_attr device_get_dma_attr(const struct device *dev);
440
441 const void *device_get_match_data(const struct device *dev);
442
443 int device_get_phy_mode(struct device *dev);
444 int fwnode_get_phy_mode(const struct fwnode_handle *fwnode);
445
446 void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index);
447
448 struct fwnode_handle *fwnode_graph_get_next_endpoint(
449 const struct fwnode_handle *fwnode, struct fwnode_handle *prev);
450 struct fwnode_handle *
451 fwnode_graph_get_port_parent(const struct fwnode_handle *fwnode);
452 struct fwnode_handle *fwnode_graph_get_remote_port_parent(
453 const struct fwnode_handle *fwnode);
454 struct fwnode_handle *fwnode_graph_get_remote_port(
455 const struct fwnode_handle *fwnode);
456 struct fwnode_handle *fwnode_graph_get_remote_endpoint(
457 const struct fwnode_handle *fwnode);
458
fwnode_graph_is_endpoint(const struct fwnode_handle * fwnode)459 static inline bool fwnode_graph_is_endpoint(const struct fwnode_handle *fwnode)
460 {
461 return fwnode_property_present(fwnode, "remote-endpoint");
462 }
463
464 /*
465 * Fwnode lookup flags
466 *
467 * @FWNODE_GRAPH_ENDPOINT_NEXT: In the case of no exact match, look for the
468 * closest endpoint ID greater than the specified
469 * one.
470 * @FWNODE_GRAPH_DEVICE_DISABLED: That the device to which the remote
471 * endpoint of the given endpoint belongs to,
472 * may be disabled, or that the endpoint is not
473 * connected.
474 */
475 #define FWNODE_GRAPH_ENDPOINT_NEXT BIT(0)
476 #define FWNODE_GRAPH_DEVICE_DISABLED BIT(1)
477
478 struct fwnode_handle *
479 fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode,
480 u32 port, u32 endpoint, unsigned long flags);
481 unsigned int fwnode_graph_get_endpoint_count(const struct fwnode_handle *fwnode,
482 unsigned long flags);
483
484 #define fwnode_graph_for_each_endpoint(fwnode, child) \
485 for (child = fwnode_graph_get_next_endpoint(fwnode, NULL); child; \
486 child = fwnode_graph_get_next_endpoint(fwnode, child))
487
488 int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
489 struct fwnode_endpoint *endpoint);
490
491 typedef void *(*devcon_match_fn_t)(const struct fwnode_handle *fwnode, const char *id,
492 void *data);
493
494 void *fwnode_connection_find_match(const struct fwnode_handle *fwnode,
495 const char *con_id, void *data,
496 devcon_match_fn_t match);
497
device_connection_find_match(const struct device * dev,const char * con_id,void * data,devcon_match_fn_t match)498 static inline void *device_connection_find_match(const struct device *dev,
499 const char *con_id, void *data,
500 devcon_match_fn_t match)
501 {
502 return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match);
503 }
504
505 int fwnode_connection_find_matches(const struct fwnode_handle *fwnode,
506 const char *con_id, void *data,
507 devcon_match_fn_t match,
508 void **matches, unsigned int matches_len);
509
510 /* -------------------------------------------------------------------------- */
511 /* Software fwnode support - when HW description is incomplete or missing */
512
513 /**
514 * struct software_node - Software node description
515 * @name: Name of the software node
516 * @parent: Parent of the software node
517 * @properties: Array of device properties
518 */
519 struct software_node {
520 const char *name;
521 const struct software_node *parent;
522 const struct property_entry *properties;
523 };
524
525 bool is_software_node(const struct fwnode_handle *fwnode);
526 const struct software_node *
527 to_software_node(const struct fwnode_handle *fwnode);
528 struct fwnode_handle *software_node_fwnode(const struct software_node *node);
529
530 const struct software_node *
531 software_node_find_by_name(const struct software_node *parent,
532 const char *name);
533
534 int software_node_register_node_group(const struct software_node **node_group);
535 void software_node_unregister_node_group(const struct software_node **node_group);
536
537 int software_node_register(const struct software_node *node);
538 void software_node_unregister(const struct software_node *node);
539
540 struct fwnode_handle *
541 fwnode_create_software_node(const struct property_entry *properties,
542 const struct fwnode_handle *parent);
543 void fwnode_remove_software_node(struct fwnode_handle *fwnode);
544
545 int device_add_software_node(struct device *dev, const struct software_node *node);
546 void device_remove_software_node(struct device *dev);
547
548 int device_create_managed_software_node(struct device *dev,
549 const struct property_entry *properties,
550 const struct software_node *parent);
551
552 #endif /* _LINUX_PROPERTY_H_ */
553