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