19 #include <linux/property.h>
27 struct property {  struct
31 	struct property *next;  argument
53 	struct	property *properties;  argument
54 	struct	property *deadprops;	/* removed properties */
95 	struct property		*prop;
96 	struct property		*old_prop;
215 static inline int of_property_check_flag(const struct property *p, unsigned long flag)  in of_property_check_flag()
220 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
225 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
309 extern struct property *of_find_property(const struct device_node *np,
407 extern int of_add_property(struct device_node *np, struct property *prop);
408 extern int of_remove_property(struct device_node *np, struct property *prop);
409 extern int of_update_property(struct device_node *np, struct property *newprop);
424  * struct property *prop;
431 const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur,
434  * struct property *prop;
440 const char *of_prop_next_string(struct property *prop, const char *cur);
592 static inline struct property *of_find_property(const struct device_node *np,  in of_find_property()
801 static inline int of_add_property(struct device_node *np, struct property *prop)  in of_add_property()
806 static inline int of_remove_property(struct device_node *np, struct property *prop)  in of_remove_property()
816 static inline const __be32 *of_prop_next_u32(struct property *prop,  in of_prop_next_u32()
822 static inline const char *of_prop_next_string(struct property *prop,  in of_prop_next_string()
847 static inline int of_property_check_flag(const struct property *p,  in of_property_check_flag()
853 static inline void of_property_set_flag(struct property *p, unsigned long flag)  in of_property_set_flag()
857 static inline void of_property_clear_flag(struct property *p, unsigned long flag)  in of_property_clear_flag()
889 static inline int of_prop_val_eq(struct property *p1, struct property *p2)  in of_prop_val_eq()
933  * of_parse_phandle - Resolve a phandle property to a device_node pointer
934  * @np: Pointer to device node holding phandle property
935  * @phandle_name: Name of property holding a phandle value
958  * @list_name:	property name that contains a list
959  * @cells_name:	property name that specifies phandles' arguments count
1006  * @list_name:	property name that contains a list
1046  * @list_name:	property name that contains a list
1047  * @cells_name:	property name that specifies phandles' arguments count
1051  * Same as of_parse_phandle_with_args() except that if the cells_name property
1055  * before and thus doesn't have a '#*-cells' property but is now migrated to
1069  * of_property_count_u8_elems - Count the number of u8 elements in a property
1071  * @np:		device node from which the property value is to be read.
1072  * @propname:	name of the property to be searched.
1074  * Search for a property in a device node and count the number of u8 elements
1077  * Return: The number of elements on sucess, -EINVAL if the property does
1079  * property does not have a value.
1088  * of_property_count_u16_elems - Count the number of u16 elements in a property
1090  * @np:		device node from which the property value is to be read.
1091  * @propname:	name of the property to be searched.
1093  * Search for a property in a device node and count the number of u16 elements
1096  * Return: The number of elements on sucess, -EINVAL if the property does
1098  * property does not have a value.
1107  * of_property_count_u32_elems - Count the number of u32 elements in a property
1109  * @np:		device node from which the property value is to be read.
1110  * @propname:	name of the property to be searched.
1112  * Search for a property in a device node and count the number of u32 elements
1115  * Return: The number of elements on sucess, -EINVAL if the property does
1117  * property does not have a value.
1126  * of_property_count_u64_elems - Count the number of u64 elements in a property
1128  * @np:		device node from which the property value is to be read.
1129  * @propname:	name of the property to be searched.
1131  * Search for a property in a device node and count the number of u64 elements
1134  * Return: The number of elements on sucess, -EINVAL if the property does
1136  * property does not have a value.
1146  * strings property.
1147  * @np:		device node from which the property value is to be read.
1148  * @propname:	name of the property to be searched.
1152  * Search for a property in a device tree node and retrieve a list of
1153  * terminated string values (pointer to data, not a copy) in that property.
1155  * Return: If @out_strs is NULL, the number of strings in the property is returned.
1166  * multiple strings property.
1167  * @np:		device node from which the property value is to be read.
1168  * @propname:	name of the property to be searched.
1170  * Search for a property in a device tree node and retrieve the number of null
1173  * Return: The number of strings on success, -EINVAL if the property does not
1174  * exist, -ENODATA if property does not have a value, and -EILSEQ if the string
1175  * is not null-terminated within the length of the property data.
1185  * strings property.
1186  * @np:		device node from which the property value is to be read.
1187  * @propname:	name of the property to be searched.
1192  * Search for a property in a device tree node and retrieve a null
1194  * contained in that property.
1196  * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if
1197  * property does not have a value, and -EILSEQ if the string is not
1198  * null-terminated within the length of the property data.
1211  * of_property_read_bool - Find a property
1212  * @np:		device node from which the property value is to be read.
1213  * @propname:	name of the property to be searched.
1215  * Search for a boolean property in a device node. Usage on non-boolean
1216  * property types is deprecated.
1218  * Return: true if the property exists false otherwise.
1223 	struct property *prop = of_find_property(np, propname, NULL);  in of_property_read_bool()
1229  * of_property_present - Test if a property is present in a node
1230  * @np:		device node to search for the property.
1231  * @propname:	name of the property to be searched.
1233  * Test for a property present in a device node.
1235  * Return: true if the property exists false otherwise.
1243  * of_property_read_u8_array - Find and read an array of u8 from a property.
1245  * @np:		device node from which the property value is to be read.
1246  * @propname:	name of the property to be searched.
1250  * Search for a property in a device node and read 8-bit value(s) from
1254  *  ``property = /bits/ 8 <0x50 0x60 0x70>;``
1256  * Return: 0 on success, -EINVAL if the property does not exist,
1257  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1258  * property data isn't large enough.
1275  * of_property_read_u16_array - Find and read an array of u16 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 16-bit value(s) from
1286  *  ``property = /bits/ 16 <0x5000 0x6000 0x7000>;``
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.
1308  * from a property.
1310  * @np:		device node from which the property value is to be read.
1311  * @propname:	name of the property to be searched.
1315  * Search for a property in a device node and read 32-bit value(s) from
1318  * Return: 0 on success, -EINVAL if the property does not exist,
1319  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1320  * property data isn't large enough.
1338  * from a property.
1340  * @np:		device node from which the property value is to be read.
1341  * @propname:	name of the property to be searched.
1345  * Search for a property in a device node and read 64-bit value(s) from
1348  * Return: 0 on success, -EINVAL if the property does not exist,
1349  * -ENODATA if property does not have a value, and -EOVERFLOW if the
1350  * property data isn't large enough.
1500  * @prop:	pointer to the property affected
1501  * @old_prop:	hold a pointer to the original property
1512 	struct property *prop;
1513 	struct property *old_prop;
1551 		struct property *prop);
1566 		struct device_node *np, struct property *prop)  in of_changeset_add_property()
1572 		struct device_node *np, struct property *prop)  in of_changeset_remove_property()
1578 		struct device_node *np, struct property *prop)  in of_changeset_update_property()