dtc/libfdt/libfdt.h

347  * @nodeoffset: structure block offset of the starting node
351  * device tree node at structure block offset nodeoffset.  If lenp is
360  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
365 const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp);
370  * @nodeoffset: structure block offset of a node
378  *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_BEGIN_NODE tag
385 int fdt_first_property_offset(const void *fdt, int nodeoffset);
399  *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_PROP tag
425  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
439  * @nodeoffset: offset of the node whose property to find
448 						    int nodeoffset,
455  * @nodeoffset: offset of the node whose property to find
461  * named 'name' of the node at offset nodeoffset.  If lenp is
472  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
479 const struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset,
481 static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
486 		fdt_get_property(fdt, nodeoffset, name, lenp);
513  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
526  * @nodeoffset: offset of the node whose property to find
534 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
540  * @nodeoffset: offset of the node whose property to find
545  * named 'name' of the node at offset nodeoffset (this will be a
557  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
564 const void *fdt_getprop(const void *fdt, int nodeoffset,
566 static inline void *fdt_getprop_w(void *fdt, int nodeoffset,
569 	return (void *)(uintptr_t)fdt_getprop(fdt, nodeoffset, name, lenp);
575  * @nodeoffset: structure block offset of the node
578  * structure block offset nodeoffset.
581  *	the phandle of the node at nodeoffset, on success (!= 0, != -1)
584 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset);
615  * @nodeoffset: offset of the node whose path to find
620  * nodeoffset, and records that path in the buffer at buf.
623  * structure from the start to nodeoffset.
628  *		nodeoffset, as a NUL-terminated string.
629  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
637 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen);
642  * @nodeoffset: offset of the node whose parent to find
649  *	fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, NULL);
651  * nodeoffset has depth D, then:
652  *	fdt_supernode_atdepth_offset(fdt, nodeoffset, D, NULL);
653  * will return nodeoffset itself.
656  * structure from the start to nodeoffset.
662  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
663 *	-FDT_ERR_NOTFOUND, supernodedepth was greater than the depth of nodeoffset
669 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
675  * @nodeoffset: offset of the node whose parent to find
681  * structure from the start to nodeoffset.
684  *	depth of the node at nodeoffset (>=0), on success
685  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
691 int fdt_node_depth(const void *fdt, int nodeoffset);
696  * @nodeoffset: offset of the node whose parent to find
700  * nodeoffset as a subnode).
703  * structure from the start to nodeoffset, *twice*.
706  *	structure block offset of the parent of the node at nodeoffset
708  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
714 int fdt_parent_offset(const void *fdt, int nodeoffset);
748  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
782  * @nodeoffset: offset of a tree node
795  * 	-FDT_ERR_BADOFFSET, if nodeoffset does not refer to a BEGIN_NODE tag
801 int fdt_node_check_compatible(const void *fdt, int nodeoffset,
832  * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
862  * @nodeoffset: offset of the node whose property to change
880  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
887 int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
893  * @nodeoffset: offset of the node whose property to change
911  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
918 static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
922 	return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
928  * @nodeoffset: offset of the node whose property to change
946  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
953 static inline int fdt_setprop_inplace_u64(void *fdt, int nodeoffset,
957 	return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
965 static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset,
968 	return fdt_setprop_inplace_u32(fdt, nodeoffset, name, val);
974  * @nodeoffset: offset of the node whose property to nop
988  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
995 int fdt_nop_property(void *fdt, int nodeoffset, const char *name);
1000  * @nodeoffset: offset of the node to nop
1012  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1019 int fdt_nop_node(void *fdt, int nodeoffset);
1109  * @nodeoffset: structure block offset of a node
1125  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1130 int fdt_set_name(void *fdt, int nodeoffset, const char *name);
1135  * @nodeoffset: offset of the node whose property to change
1151  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1160 int fdt_setprop(void *fdt, int nodeoffset, const char *name,
1166  * @nodeoffset: offset of the node whose property to change
1182  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1191 static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
1195 	return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1201  * @nodeoffset: offset of the node whose property to change
1217  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1226 static inline int fdt_setprop_u64(void *fdt, int nodeoffset, const char *name,
1230 	return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1238 static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name,
1241 	return fdt_setprop_u32(fdt, nodeoffset, name, val);
1247  * @nodeoffset: offset of the node whose property to change
1263  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1272 #define fdt_setprop_string(fdt, nodeoffset, name, str) \
1273 	fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
1278  * @nodeoffset: offset of the node whose property to change
1293  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1302 int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
1308  * @nodeoffset: offset of the node whose property to change
1324  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1333 static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
1337 	return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1343  * @nodeoffset: offset of the node whose property to change
1359  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1368 static inline int fdt_appendprop_u64(void *fdt, int nodeoffset,
1372 	return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1380 static inline int fdt_appendprop_cell(void *fdt, int nodeoffset,
1383 	return fdt_appendprop_u32(fdt, nodeoffset, name, val);
1389  * @nodeoffset: offset of the node whose property to change
1404  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1413 #define fdt_appendprop_string(fdt, nodeoffset, name, str) \
1414 	fdt_appendprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
1419  * @nodeoffset: offset of the node whose property to nop
1430  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1438 int fdt_delprop(void *fdt, int nodeoffset, const char *name);
1489  * @nodeoffset: offset of the node to nop
1499  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1507 int fdt_del_node(void *fdt, int nodeoffset);