22 #include <linux/property.h>
31 struct property {  struct
35 	struct property *next;  argument
57 	struct	property *properties;  argument
58 	struct	property *deadprops;	/* removed properties */
99 	struct property		*prop;
100 	struct property		*old_prop;
210 static inline int of_property_check_flag(struct property *p, unsigned long flag)  in of_property_check_flag()
215 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
220 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
304 extern struct property *of_find_property(const struct device_node *np,
402 extern int of_add_property(struct device_node *np, struct property *prop);
403 extern int of_remove_property(struct device_node *np, struct property *prop);
404 extern int of_update_property(struct device_node *np, struct property *newprop);
419  * of_property_read_u8_array - Find and read an array of u8 from a property.
421  * @np:		device node from which the property value is to be read.
422  * @propname:	name of the property to be searched.
426  * Search for a property in a device node and read 8-bit value(s) from
430  *  ``property = /bits/ 8 <0x50 0x60 0x70>;``
432  * Return: 0 on success, -EINVAL if the property does not exist,
433  * -ENODATA if property does not have a value, and -EOVERFLOW if the
434  * property data isn't large enough.
451  * of_property_read_u16_array - Find and read an array of u16 from a property.
453  * @np:		device node from which the property value is to be read.
454  * @propname:	name of the property to be searched.
458  * Search for a property in a device node and read 16-bit value(s) from
462  *  ``property = /bits/ 16 <0x5000 0x6000 0x7000>;``
464  * Return: 0 on success, -EINVAL if the property does not exist,
465  * -ENODATA if property does not have a value, and -EOVERFLOW if the
466  * property data isn't large enough.
484  * from a property.
486  * @np:		device node from which the property value is to be read.
487  * @propname:	name of the property to be searched.
491  * Search for a property in a device node and read 32-bit value(s) from
494  * Return: 0 on success, -EINVAL if the property does not exist,
495  * -ENODATA if property does not have a value, and -EOVERFLOW if the
496  * property data isn't large enough.
514  * from a property.
516  * @np:		device node from which the property value is to be read.
517  * @propname:	name of the property to be searched.
521  * Search for a property in a device node and read 64-bit value(s) from
524  * Return: 0 on success, -EINVAL if the property does not exist,
525  * -ENODATA if property does not have a value, and -EOVERFLOW if the
526  * property data isn't large enough.
543  * struct property *prop;
550 const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur,
553  * struct property *prop;
559 const char *of_prop_next_string(struct property *prop, const char *cur);
715 static inline struct property *of_find_property(const struct device_node *np,  in of_find_property()
949 static inline int of_add_property(struct device_node *np, struct property *prop)  in of_add_property()
954 static inline int of_remove_property(struct device_node *np, struct property *prop)  in of_remove_property()
964 static inline const __be32 *of_prop_next_u32(struct property *prop,  in of_prop_next_u32()
970 static inline const char *of_prop_next_string(struct property *prop,  in of_prop_next_string()
995 static inline int of_property_check_flag(struct property *p, unsigned long flag)  in of_property_check_flag()
1000 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
1004 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
1036 static inline int of_prop_val_eq(struct property *p1, struct property *p2)  in of_prop_val_eq()
1080  * of_property_count_u8_elems - Count the number of u8 elements in a property
1082  * @np:		device node from which the property value is to be read.
1083  * @propname:	name of the property to be searched.
1085  * Search for a property in a device node and count the number of u8 elements
1088  * Return: The number of elements on sucess, -EINVAL if the property does
1090  * property does not have a value.
1099  * of_property_count_u16_elems - Count the number of u16 elements in a property
1101  * @np:		device node from which the property value is to be read.
1102  * @propname:	name of the property to be searched.
1104  * Search for a property in a device node and count the number of u16 elements
1107  * Return: The number of elements on sucess, -EINVAL if the property does
1109  * property does not have a value.
1118  * of_property_count_u32_elems - Count the number of u32 elements in a property
1120  * @np:		device node from which the property value is to be read.
1121  * @propname:	name of the property to be searched.
1123  * Search for a property in a device node and count the number of u32 elements
1126  * Return: The number of elements on sucess, -EINVAL if the property does
1128  * property does not have a value.
1137  * of_property_count_u64_elems - Count the number of u64 elements in a property
1139  * @np:		device node from which the property value is to be read.
1140  * @propname:	name of the property to be searched.
1142  * Search for a property in a device node and count the number of u64 elements
1145  * Return: The number of elements on sucess, -EINVAL if the property does
1147  * property does not have a value.
1157  * strings property.
1158  * @np:		device node from which the property value is to be read.
1159  * @propname:	name of the property to be searched.
1163  * Search for a property in a device tree node and retrieve a list of
1164  * terminated string values (pointer to data, not a copy) in that property.
1166  * Return: If @out_strs is NULL, the number of strings in the property is returned.
1177  * multiple strings property.
1178  * @np:		device node from which the property value is to be read.
1179  * @propname:	name of the property to be searched.
1181  * Search for a property in a device tree node and retrieve the number of null
1184  * Return: The number of strings on success, -EINVAL if the property does not
1185  * exist, -ENODATA if property does not have a value, and -EILSEQ if the string
1186  * is not null-terminated within the length of the property data.
1196  * strings property.
1197  * @np:		device node from which the property value is to be read.
1198  * @propname:	name of the property to be searched.
1203  * Search for a property in a device tree node and retrieve a null
1205  * contained in that property.
1207  * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if
1208  * property does not have a value, and -EILSEQ if the string is not
1209  * null-terminated within the length of the property data.
1222  * of_property_read_bool - Find a property
1223  * @np:		device node from which the property value is to be read.
1224  * @propname:	name of the property to be searched.
1226  * Search for a property in a device node.
1228  * Return: true if the property exists false otherwise.
1233 	struct property *prop = of_find_property(np, propname, NULL);  in of_property_read_bool()
1372  * @prop:	pointer to the property affected
1373  * @old_prop:	hold a pointer to the original property
1384 	struct property *prop;
1385 	struct property *old_prop;
1421 		struct property *prop);
1436 		struct device_node *np, struct property *prop)  in of_changeset_add_property()
1442 		struct device_node *np, struct property *prop)  in of_changeset_remove_property()
1448 		struct device_node *np, struct property *prop)  in of_changeset_update_property()