diff options
| -rw-r--r-- | drivers/core/ofnode.c | 14 | ||||
| -rw-r--r-- | include/dm/ofnode.h | 8 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 98f4b539ea4..dd6d57c49bd 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -165,6 +165,20 @@ ofnode ofnode_next_subnode(ofnode node) fdt_next_subnode(gd->fdt_blob, ofnode_to_offset(node))); } +ofnode ofnode_get_parent(ofnode node) +{ + ofnode parent; + + assert(ofnode_valid(node)); + if (ofnode_is_np(node)) + parent = np_to_ofnode(of_get_parent(ofnode_to_np(node))); + else + parent.of_offset = fdt_parent_offset(gd->fdt_blob, + ofnode_to_offset(node)); + + return parent; +} + const char *ofnode_get_name(ofnode node) { assert(ofnode_valid(node)); diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index c359a60f953..6938e62993e 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -302,6 +302,14 @@ ofnode ofnode_first_subnode(ofnode node); ofnode ofnode_next_subnode(ofnode node); /** + * ofnode_get_parent() - get the ofnode's parent (enclosing ofnode) + * + * @node: valid node to look up + * @return ofnode reference of the parent node + */ +ofnode ofnode_get_parent(ofnode node); + +/** * ofnode_get_name() - get the name of a node * * @node: valid node to look up |