libs/libfdt/libfdt.h

325  * @nodeoffset: structure block offset of the starting node
329  * device tree node at structure block offset nodeoffset.  If lenp is
338  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
343 const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp);
348  * @nodeoffset: structure block offset of a node
356  *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_BEGIN_NODE tag
363 int fdt_first_property_offset(const void *fdt, int nodeoffset);
377  *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_PROP tag
403  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
417  * @nodeoffset: offset of the node whose property to find
426 						    int nodeoffset,
433  * @nodeoffset: offset of the node whose property to find
439  * named 'name' of the node at offset nodeoffset.  If lenp is
450  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
457 const struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset,
459 static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
464 		fdt_get_property(fdt, nodeoffset, name, lenp);
491  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
504  * @nodeoffset: offset of the node whose property to find
512 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
518  * @nodeoffset: offset of the node whose property to find
523  * named 'name' of the node at offset nodeoffset (this will be a
535  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
542 const void *fdt_getprop(const void *fdt, int nodeoffset,
544 static inline void *fdt_getprop_w(void *fdt, int nodeoffset,
547 	return (void *)(uintptr_t)fdt_getprop(fdt, nodeoffset, name, lenp);
553  * @nodeoffset: structure block offset of the node
556  * structure block offset nodeoffset.
559  *	the phandle of the node at nodeoffset, on success (!= 0, != -1)
562 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset);
593  * @nodeoffset: offset of the node whose path to find
598  * nodeoffset, and records that path in the buffer at buf.
601  * structure from the start to nodeoffset.
606  *		nodeoffset, as a NUL-terminated string.
607  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
615 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen);
620  * @nodeoffset: offset of the node whose parent to find
627  *	fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, NULL);
629  * nodeoffset has depth D, then:
630  *	fdt_supernode_atdepth_offset(fdt, nodeoffset, D, NULL);
631  * will return nodeoffset itself.
634  * structure from the start to nodeoffset.
640  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
641 *	-FDT_ERR_NOTFOUND, supernodedepth was greater than the depth of nodeoffset
647 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
653  * @nodeoffset: offset of the node whose parent to find
659  * structure from the start to nodeoffset.
662  *	depth of the node at nodeoffset (>=0), on success
663  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
669 int fdt_node_depth(const void *fdt, int nodeoffset);
674  * @nodeoffset: offset of the node whose parent to find
678  * nodeoffset as a subnode).
681  * structure from the start to nodeoffset, *twice*.
684  *	structure block offset of the parent of the node at nodeoffset
686  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
692 int fdt_parent_offset(const void *fdt, int nodeoffset);
726  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
760  * @nodeoffset: offset of a tree node
773  * 	-FDT_ERR_BADOFFSET, if nodeoffset does not refer to a BEGIN_NODE tag
779 int fdt_node_check_compatible(const void *fdt, int nodeoffset,
810  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
826  * @nodeoffset: offset of the node whose property to change
844  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
851 int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
857  * @nodeoffset: offset of the node whose property to change
875  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
882 static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset,
886 	return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val));
892  * @nodeoffset: offset of the node whose property to nop
906  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
913 int fdt_nop_property(void *fdt, int nodeoffset, const char *name);
918  * @nodeoffset: offset of the node to nop
930  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
937 int fdt_nop_node(void *fdt, int nodeoffset);
1016  * @nodeoffset: structure block offset of a node
1032  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1037 int fdt_set_name(void *fdt, int nodeoffset, const char *name);
1042  * @nodeoffset: offset of the node whose property to change
1058  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1067 int fdt_setprop(void *fdt, int nodeoffset, const char *name,
1073  * @nodeoffset: offset of the node whose property to change
1089  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1098 static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name,
1102 	return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val));
1108  * @nodeoffset: offset of the node whose property to change
1124  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1133 #define fdt_setprop_string(fdt, nodeoffset, name, str) \
1134 	fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
1139  * @nodeoffset: offset of the node whose property to nop
1150  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1158 int fdt_delprop(void *fdt, int nodeoffset, const char *name);
1209  * @nodeoffset: offset of the node to nop
1219  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1227 int fdt_del_node(void *fdt, int nodeoffset);