xref: /kernel/linux/linux-5.10/scripts/dtc/libfdt/libfdt.h

525  * @nodeoffset: structure block offset of the starting node
529  * device tree node at structure block offset nodeoffset.  If lenp is
539  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE
545 const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp);
550  * @nodeoffset: structure block offset of a node
558  *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_BEGIN_NODE tag
565 int fdt_first_property_offset(const void *fdt, int nodeoffset);
579  *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_PROP tag
635  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
649  * @nodeoffset: offset of the node whose property to find
659 						    int nodeoffset,
667  * @nodeoffset: offset of the node whose property to find
673  * named 'name' of the node at offset nodeoffset.  If lenp is
684  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE
692 const struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset,
694 static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
699 		fdt_get_property(fdt, nodeoffset, name, lenp);
726  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
741  * @nodeoffset: offset of the node whose property to find
750 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
752 static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset,
756 	return (void *)(uintptr_t)fdt_getprop_namelen(fdt, nodeoffset, name,
764  * @nodeoffset: offset of the node whose property to find
769  * named 'name' of the node at offset nodeoffset (this will be a
781  *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE
789 const void *fdt_getprop(const void *fdt, int nodeoffset,
791 static inline void *fdt_getprop_w(void *fdt, int nodeoffset,
794 	return (void *)(uintptr_t)fdt_getprop(fdt, nodeoffset, name, lenp);
800  * @nodeoffset: structure block offset of the node
803  * structure block offset nodeoffset.
806  *	the phandle of the node at nodeoffset, on success (!= 0, != -1)
809 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset);
842  * @nodeoffset: offset of the node whose path to find
847  * nodeoffset, and records that path in the buffer at buf.
850  * structure from the start to nodeoffset.
855  *		nodeoffset, as a NUL-terminated string.
856  *	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
864 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen);
869  * @nodeoffset: offset of the node whose parent to find
876  *	fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, NULL);
878  * nodeoffset has depth D, then:
879  *	fdt_supernode_atdepth_offset(fdt, nodeoffset, D, NULL);
880  * will return nodeoffset itself.
883  * structure from the start to nodeoffset.
888  *	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
890  *		nodeoffset
896 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
902  * @nodeoffset: offset of the node whose parent to find
908  * structure from the start to nodeoffset.
911  *	depth of the node at nodeoffset (>=0), on success
912  *	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
918 int fdt_node_depth(const void *fdt, int nodeoffset);
923  * @nodeoffset: offset of the node whose parent to find
927  * nodeoffset as a subnode).
930  * structure from the start to nodeoffset, *twice*.
933  *	structure block offset of the parent of the node at nodeoffset
935  *	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
941 int fdt_parent_offset(const void *fdt, int nodeoffset);
975  *	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
1009  * @nodeoffset: offset of a tree node
1022  *	-FDT_ERR_BADOFFSET, if nodeoffset does not refer to a BEGIN_NODE tag
1028 int fdt_node_check_compatible(const void *fdt, int nodeoffset,
1059  *	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
1085  * @nodeoffset: offset of a tree node
1092 int fdt_stringlist_count(const void *fdt, int nodeoffset, const char *property);
1097  * @nodeoffset: offset of a tree node
1113 int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,
1119  * @nodeoffset: offset of a tree node
1140 const char *fdt_stringlist_get(const void *fdt, int nodeoffset,
1162  * @nodeoffset: offset of the node to find the address size for
1177 int fdt_address_cells(const void *fdt, int nodeoffset);
1183  * @nodeoffset: offset of the node to find the address range size for
1198 int fdt_size_cells(const void *fdt, int nodeoffset);
1209  * @nodeoffset: offset of the node whose property to change
1222 int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset,
1231  * @nodeoffset: offset of the node whose property to change
1249  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1257 int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
1264  * @nodeoffset: offset of the node whose property to change
1282  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1289 static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
1293 	return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1299  * @nodeoffset: offset of the node whose property to change
1317  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1324 static inline int fdt_setprop_inplace_u64(void *fdt, int nodeoffset,
1328 	return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1336 static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset,
1339 	return fdt_setprop_inplace_u32(fdt, nodeoffset, name, val);
1345  * @nodeoffset: offset of the node whose property to nop
1359  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1366 int fdt_nop_property(void *fdt, int nodeoffset, const char *name);
1371  * @nodeoffset: offset of the node to nop
1383  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1390 int fdt_nop_node(void *fdt, int nodeoffset);
1537  * @nodeoffset: structure block offset of a node
1553  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1558 int fdt_set_name(void *fdt, int nodeoffset, const char *name);
1563  * @nodeoffset: offset of the node whose property to change
1579  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1588 int fdt_setprop(void *fdt, int nodeoffset, const char *name,
1594  * @nodeoffset: offset of the node whose property to change
1610  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1619 int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name,
1625  * @nodeoffset: offset of the node whose property to change
1641  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1650 static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
1654 	return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1660  * @nodeoffset: offset of the node whose property to change
1676  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1685 static inline int fdt_setprop_u64(void *fdt, int nodeoffset, const char *name,
1689 	return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1697 static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name,
1700 	return fdt_setprop_u32(fdt, nodeoffset, name, val);
1706  * @nodeoffset: offset of the node whose property to change
1722  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1731 #define fdt_setprop_string(fdt, nodeoffset, name, str) \
1732 	fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
1738  * @nodeoffset: offset of the node whose property to change
1752  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1761 #define fdt_setprop_empty(fdt, nodeoffset, name) \
1762 	fdt_setprop((fdt), (nodeoffset), (name), NULL, 0)
1767  * @nodeoffset: offset of the node whose property to change
1782  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1791 int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
1797  * @nodeoffset: offset of the node whose property to change
1813  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1822 static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
1826 	return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1832  * @nodeoffset: offset of the node whose property to change
1848  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1857 static inline int fdt_appendprop_u64(void *fdt, int nodeoffset,
1861 	return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
1869 static inline int fdt_appendprop_cell(void *fdt, int nodeoffset,
1872 	return fdt_appendprop_u32(fdt, nodeoffset, name, val);
1878  * @nodeoffset: offset of the node whose property to change
1893  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1902 #define fdt_appendprop_string(fdt, nodeoffset, name, str) \
1903 	fdt_appendprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
1909  * @nodeoffset: offset of the node to add a property at
1930  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1939 int fdt_appendprop_addrrange(void *fdt, int parent, int nodeoffset,
1945  * @nodeoffset: offset of the node whose property to nop
1956  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
1964 int fdt_delprop(void *fdt, int nodeoffset, const char *name);
2019  * @nodeoffset: offset of the node to nop
2029  *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
2037 int fdt_del_node(void *fdt, int nodeoffset);

Indexes created Thu Nov 07 10:32:03 CST 2024