diff options
| -rw-r--r-- | drivers/core/ofnode.c | 12 | ||||
| -rw-r--r-- | include/dm/ofnode.h | 11 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index b2b02e4..2937539 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -729,3 +729,15 @@ int ofnode_device_is_compatible(ofnode node, const char *compat) ofnode_to_offset(node), compat); } + +ofnode ofnode_by_compatible(ofnode from, const char *compat) +{ + if (of_live_active()) { + return np_to_ofnode(of_find_compatible_node( + (struct device_node *)ofnode_to_np(from), NULL, + compat)); + } else { + return offset_to_ofnode(fdt_node_offset_by_compatible( + gd->fdt_blob, ofnode_to_offset(from), compat)); + } +} diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 61c4231..cd08a7e 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -679,6 +679,17 @@ int ofnode_read_resource_byname(ofnode node, const char *name, struct resource *res); /** + * ofnode_by_compatible() - Find the next compatible node + * + * Find the next node after @from that is compatible with @compat + * + * @from: ofnode to start from (use ofnode_null() to start at the beginning) + * @compat: Compatible string to match + * @return ofnode found, or ofnode_null() if none + */ +ofnode ofnode_by_compatible(ofnode from, const char *compat); + +/** * ofnode_for_each_subnode() - iterate over all subnodes of a parent * * @node: child node (ofnode, lvalue) |