20 #include <linux/property.h>
28 struct property {  struct
32 	struct property *next;  argument
54 	struct	property *properties;  argument
55 	struct	property *deadprops;	/* removed properties */
96 	struct property		*prop;
97 	struct property		*old_prop;
212 static inline int of_property_check_flag(const struct property *p, unsigned long flag)  in of_property_check_flag()
217 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
222 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
313 extern struct property *of_find_property(const struct device_node *np,
413  * @compat: compatible string to look for in root node's compatible property.
415  * Return: true if the root node has the given value in its compatible property.
424 extern int of_add_property(struct device_node *np, struct property *prop);
425 extern int of_remove_property(struct device_node *np, struct property *prop);
426 extern int of_update_property(struct device_node *np, struct property *newprop);
446 const __be32 *of_prop_next_u32(const struct property *prop, const __be32 *cur,
449  * struct property *prop;
455 const char *of_prop_next_string(const struct property *prop, const char *cur);
615 static inline struct property *of_find_property(const struct device_node *np,  in of_find_property()
836 static inline int of_add_property(struct device_node *np, struct property *prop)  in of_add_property()
841 static inline int of_remove_property(struct device_node *np, struct property *prop)  in of_remove_property()
856 static inline const __be32 *of_prop_next_u32(const struct property *prop,  in of_prop_next_u32()
862 static inline const char *of_prop_next_string(const struct property *prop,  in of_prop_next_string()
887 static inline int of_property_check_flag(const struct property *p,  in of_property_check_flag()
893 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
897 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
970  * of_parse_phandle - Resolve a phandle property to a device_node pointer
971  * @np: Pointer to device node holding phandle property
972  * @phandle_name: Name of property holding a phandle value
995  * @list_name:	property name that contains a list
996  * @cells_name:	property name that specifies phandles' arguments count
1043  * @list_name:	property name that contains a list
1083  * @list_name:	property name that contains a list
1084  * @cells_name:	property name that specifies phandles' arguments count
1088  * Same as of_parse_phandle_with_args() except that if the cells_name property
1092  * before and thus doesn't have a '#*-cells' property but is now migrated to
1122  * of_property_count_u8_elems - Count the number of u8 elements in a property
1124  * @np:		device node from which the property value is to be read.
1125  * @propname:	name of the property to be searched.
1127  * Search for a property in a device node and count the number of u8 elements
1130  * Return: The number of elements on sucess, -EINVAL if the property does
1132  * property does not have a value.
1141  * of_property_count_u16_elems - Count the number of u16 elements in a property
1143  * @np:		device node from which the property value is to be read.
1144  * @propname:	name of the property to be searched.
1146  * Search for a property in a device node and count the number of u16 elements
1149  * Return: The number of elements on sucess, -EINVAL if the property does
1151  * property does not have a value.
1160  * of_property_count_u32_elems - Count the number of u32 elements in a property
1162  * @np:		device node from which the property value is to be read.
1163  * @propname:	name of the property to be searched.
1165  * Search for a property in a device node and count the number of u32 elements
1168  * Return: The number of elements on sucess, -EINVAL if the property does
1170  * property does not have a value.
1179  * of_property_count_u64_elems - Count the number of u64 elements in a property
1181  * @np:		device node from which the property value is to be read.
1182  * @propname:	name of the property to be searched.
1184  * Search for a property in a device node and count the number of u64 elements
1187  * Return: The number of elements on sucess, -EINVAL if the property does
1189  * property does not have a value.
1199  * strings property.
1200  * @np:		device node from which the property value is to be read.
1201  * @propname:	name of the property to be searched.
1205  * Search for a property in a device tree node and retrieve a list of
1206  * terminated string values (pointer to data, not a copy) in that property.
1208  * Return: If @out_strs is NULL, the number of strings in the property is returned.
1219  * multiple strings property.
1220  * @np:		device node from which the property value is to be read.
1221  * @propname:	name of the property to be searched.
1223  * Search for a property in a device tree node and retrieve the number of null
1226  * Return: The number of strings on success, -EINVAL if the property does not
1227  * exist, -ENODATA if property does not have a value, and -EILSEQ if the string
1228  * is not null-terminated within the length of the property data.
1238  * strings property.
1239  * @np:		device node from which the property value is to be read.
1240  * @propname:	name of the property to be searched.
1245  * Search for a property in a device tree node and retrieve a null
1247  * contained in that property.
1249  * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if
1250  * property does not have a value, and -EILSEQ if the string is not
1251  * null-terminated within the length of the property data.
1264  * of_property_present - Test if a property is present in a node
1265  * @np:		device node to search for the property.
1266  * @propname:	name of the property to be searched.
1268  * Test for a property present in a device node.
1270  * Return: true if the property exists false otherwise.
1274 	struct property *prop = of_find_property(np, propname, NULL);  in of_property_present()
1280  * of_property_read_u8_array - Find and read an array of u8 from a property.
1282  * @np:		device node from which the property value is to be read.
1283  * @propname:	name of the property to be searched.
1287  * Search for a property in a device node and read 8-bit value(s) from
1291  *  ``property = /bits/ 8 <0x50 0x60 0x70>;``
1293  * Return: 0 on success, -EINVAL if the property does not exist,
1294  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1295  * property data isn't large enough.
1312  * of_property_read_u16_array - Find and read an array of u16 from a property.
1314  * @np:		device node from which the property value is to be read.
1315  * @propname:	name of the property to be searched.
1319  * Search for a property in a device node and read 16-bit value(s) from
1323  *  ``property = /bits/ 16 <0x5000 0x6000 0x7000>;``
1325  * Return: 0 on success, -EINVAL if the property does not exist,
1326  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1327  * property data isn't large enough.
1345  * from a property.
1347  * @np:		device node from which the property value is to be read.
1348  * @propname:	name of the property to be searched.
1352  * Search for a property in a device node and read 32-bit value(s) from
1355  * Return: 0 on success, -EINVAL if the property does not exist,
1356  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1357  * property data isn't large enough.
1375  * from a property.
1377  * @np:		device node from which the property value is to be read.
1378  * @propname:	name of the property to be searched.
1382  * Search for a property in a device node and read 64-bit value(s) from
1385  * Return: 0 on success, -EINVAL if the property does not exist,
1386  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1387  * property data isn't large enough.
1438 	for (struct {const struct property *prop; const __be32 *item; } _it =	\
1560  * @prop:	pointer to the property affected
1561  * @old_prop:	hold a pointer to the original property
1572 	struct property *prop;
1573 	struct property *old_prop;
1611 		struct property *prop);
1626 		struct device_node *np, struct property *prop)  in of_changeset_add_property()
1632 		struct device_node *np, struct property *prop)  in of_changeset_remove_property()
1638 		struct device_node *np, struct property *prop)  in of_changeset_update_property()