lib/libfdt/libfdt.h

131  * to work even with unaligned pointers on platforms (such as ARMv5) that don't
318  *     0, on success
343  *     a pointer to the string, on success
357  *     a pointer to the string, on success
372  *     0 on success or a negative error code on failure
387  *      the highest phandle on success
408  * Walks the device tree blob and looks for the highest phandle value. On
413  * Return: 0 on success or a negative error-code on failure
437  * On success, @address and @size will contain the address and size of
442  *     0, on success
450  * fdt_subnode_offset_namelen - find a subnode based on substring
458  * useful for finding subnodes based on a portion of a larger string,
481  *	structure block offset of the requested subnode (>=0), on success
521  *	structure block offset of the node with the requested path (>=0), on
545  *	pointer to the node's name, on success
548  *	NULL, on error
567  *	structure block offset of the property (>=0), on success
588  *	structure block offset of the next property (>=0), on success
637  * Note that this code only works on device tree versions >= 16. fdt_getprop()
638  * works on all versions.
644  *	NULL, on error
658  * fdt_get_property_namelen - find a property based on substring
695  *	NULL, on error
738  *	NULL, on error
753  * fdt_getprop_namelen - get property value based on substring
763  * Return: pointer to the property's value or NULL on error
794  *	NULL, on error
822  *	the phandle of the node at nodeoffset, on success (!= 0, != -1)
828  * fdt_get_alias_namelen - get alias based on substring
872  *	0, on success
906  *		of depth supernodedepth (>=0), on success
930  *	depth of the node at nodeoffset (>=0), on success
953  *		(>=0), on success
991  *		 on success
1015  *	structure block offset of the located node (>= 0), on success
1033  * it returns non-zero otherwise, or on error.
1074  *		 on success
1120  * Note that it is possible for this function to succeed on property values
1141  * @lenp: return location for the string length or an error code on failure
1144  * non-NUL-terminated values. For example on small-valued cell properties
1147  * If non-NULL, the length of the string (on success) or a negative error-code
1148  * (on failure) will be stored in the integer pointer to by lenp.
1151  *   A pointer to the string at the given index in the string list or NULL on
1152  *   failure. On success the length of the string will be stored in the memory
1153  *   location pointed to by the lenp parameter, if non-NULL. On failure one of
1186  *	0 <= n < FDT_MAX_NCELLS, on success
1207  *	0 <= n < FDT_MAX_NCELLS, on success
1240  * Return: 0 on success, negative libfdt error value otherwise
1267  *	0, on success
1300  *	0, on success
1335  *	0, on success
1360  * Return: 0 on success, negative libfdt error number otherwise.
1383  *	0, on success
1408  *	0, on success
1442  *	0, on success
1456  *	0, on success
1493  *	0, on success
1525  *	0, on success
1549  *	0, on success
1577  *	0, on success
1603  *	0, on success
1634  *	0, on success
1665  *	0, on success
1700  *	0, on success
1728  * Return: 0 on success, negative libfdt error value otherwise.
1752  *	0, on success
1782  *	0, on success
1812  *	0, on success
1843  *	0, on success
1878  *	0, on success
1906  * Return: 0 on success, negative libfdt error value otherwise.
1929  *	0, on success
1964  *	0, on success
1993  *	0, on success
2006  * fdt_add_subnode_namelen - creates a new node based on substring
2014  * creating subnodes based on a portion of a larger string, such as a
2039  *	structure block offset of the created nodeequested subnode (>=0), on
2070  *	0, on success
2082  * fdt_overlay_apply - Applies a DT overlay on a base DT
2086  * fdt_overlay_apply() will apply the given device tree overlay on the
2093  *	0, on success