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()
308 extern struct property *of_find_property(const struct device_node *np,
405  * @compat: compatible string to look for in root node's compatible property.
407  * Return: true if the root node has the given value in its compatible property.
416 extern int of_add_property(struct device_node *np, struct property *prop);
417 extern int of_remove_property(struct device_node *np, struct property *prop);
418 extern int of_update_property(struct device_node *np, struct property *newprop);
438 const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur,
441  * struct property *prop;
447 const char *of_prop_next_string(struct property *prop, const char *cur);
600 static inline struct property *of_find_property(const struct device_node *np,  in of_find_property()
809 static inline int of_add_property(struct device_node *np, struct property *prop)  in of_add_property()
814 static inline int of_remove_property(struct device_node *np, struct property *prop)  in of_remove_property()
829 static inline const __be32 *of_prop_next_u32(struct property *prop,  in of_prop_next_u32()
835 static inline const char *of_prop_next_string(struct property *prop,  in of_prop_next_string()
860 static inline int of_property_check_flag(const struct property *p,  in of_property_check_flag()
866 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
870 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
902 static inline int of_prop_val_eq(struct property *p1, struct property *p2)  in of_prop_val_eq()
949  * of_parse_phandle - Resolve a phandle property to a device_node pointer
950  * @np: Pointer to device node holding phandle property
951  * @phandle_name: Name of property holding a phandle value
974  * @list_name:	property name that contains a list
975  * @cells_name:	property name that specifies phandles' arguments count
1022  * @list_name:	property name that contains a list
1062  * @list_name:	property name that contains a list
1063  * @cells_name:	property name that specifies phandles' arguments count
1067  * Same as of_parse_phandle_with_args() except that if the cells_name property
1071  * before and thus doesn't have a '#*-cells' property but is now migrated to
1101  * of_property_count_u8_elems - Count the number of u8 elements in a property
1103  * @np:		device node from which the property value is to be read.
1104  * @propname:	name of the property to be searched.
1106  * Search for a property in a device node and count the number of u8 elements
1109  * Return: The number of elements on sucess, -EINVAL if the property does
1111  * property does not have a value.
1120  * of_property_count_u16_elems - Count the number of u16 elements in a property
1122  * @np:		device node from which the property value is to be read.
1123  * @propname:	name of the property to be searched.
1125  * Search for a property in a device node and count the number of u16 elements
1128  * Return: The number of elements on sucess, -EINVAL if the property does
1130  * property does not have a value.
1139  * of_property_count_u32_elems - Count the number of u32 elements in a property
1141  * @np:		device node from which the property value is to be read.
1142  * @propname:	name of the property to be searched.
1144  * Search for a property in a device node and count the number of u32 elements
1147  * Return: The number of elements on sucess, -EINVAL if the property does
1149  * property does not have a value.
1158  * of_property_count_u64_elems - Count the number of u64 elements in a property
1160  * @np:		device node from which the property value is to be read.
1161  * @propname:	name of the property to be searched.
1163  * Search for a property in a device node and count the number of u64 elements
1166  * Return: The number of elements on sucess, -EINVAL if the property does
1168  * property does not have a value.
1178  * strings property.
1179  * @np:		device node from which the property value is to be read.
1180  * @propname:	name of the property to be searched.
1184  * Search for a property in a device tree node and retrieve a list of
1185  * terminated string values (pointer to data, not a copy) in that property.
1187  * Return: If @out_strs is NULL, the number of strings in the property is returned.
1198  * multiple strings property.
1199  * @np:		device node from which the property value is to be read.
1200  * @propname:	name of the property to be searched.
1202  * Search for a property in a device tree node and retrieve the number of null
1205  * Return: The number of strings on success, -EINVAL if the property does not
1206  * exist, -ENODATA if property does not have a value, and -EILSEQ if the string
1207  * is not null-terminated within the length of the property data.
1217  * strings property.
1218  * @np:		device node from which the property value is to be read.
1219  * @propname:	name of the property to be searched.
1224  * Search for a property in a device tree node and retrieve a null
1226  * contained in that property.
1228  * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if
1229  * property does not have a value, and -EILSEQ if the string is not
1230  * null-terminated within the length of the property data.
1243  * of_property_read_bool - Find a property
1244  * @np:		device node from which the property value is to be read.
1245  * @propname:	name of the property to be searched.
1247  * Search for a boolean property in a device node. Usage on non-boolean
1248  * property types is deprecated.
1250  * Return: true if the property exists false otherwise.
1255 	struct property *prop = of_find_property(np, propname, NULL);  in of_property_read_bool()
1261  * of_property_present - Test if a property is present in a node
1262  * @np:		device node to search for the property.
1263  * @propname:	name of the property to be searched.
1265  * Test for a property present in a device node.
1267  * Return: true if the property exists false otherwise.
1275  * of_property_read_u8_array - Find and read an array of u8 from a property.
1277  * @np:		device node from which the property value is to be read.
1278  * @propname:	name of the property to be searched.
1282  * Search for a property in a device node and read 8-bit value(s) from
1286  *  ``property = /bits/ 8 <0x50 0x60 0x70>;``
1288  * Return: 0 on success, -EINVAL if the property does not exist,
1289  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1290  * property data isn't large enough.
1307  * of_property_read_u16_array - Find and read an array of u16 from a property.
1309  * @np:		device node from which the property value is to be read.
1310  * @propname:	name of the property to be searched.
1314  * Search for a property in a device node and read 16-bit value(s) from
1318  *  ``property = /bits/ 16 <0x5000 0x6000 0x7000>;``
1320  * Return: 0 on success, -EINVAL if the property does not exist,
1321  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1322  * property data isn't large enough.
1340  * from a property.
1342  * @np:		device node from which the property value is to be read.
1343  * @propname:	name of the property to be searched.
1347  * Search for a property in a device node and read 32-bit value(s) from
1350  * Return: 0 on success, -EINVAL if the property does not exist,
1351  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1352  * property data isn't large enough.
1370  * from a property.
1372  * @np:		device node from which the property value is to be read.
1373  * @propname:	name of the property to be searched.
1377  * Search for a property in a device node and read 64-bit value(s) from
1380  * Return: 0 on success, -EINVAL if the property does not exist,
1381  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1382  * property data isn't large enough.
1433 	for (struct {struct property *prop; const __be32 *item; } _it =	\
1549  * @prop:	pointer to the property affected
1550  * @old_prop:	hold a pointer to the original property
1561 	struct property *prop;
1562 	struct property *old_prop;
1600 		struct property *prop);
1615 		struct device_node *np, struct property *prop)  in of_changeset_add_property()
1621 		struct device_node *np, struct property *prop)  in of_changeset_remove_property()
1627 		struct device_node *np, struct property *prop)  in of_changeset_update_property()