From 305d31885f2f35db486594d051d9aa3a4ed201c5 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 28 Jul 2020 12:51:08 +0200 Subject: dm: core: Add support for getting node from aliases Add support for getting a node/property from aliases. The similar functionality is provided for chosen node and this implemenatation is copy of it. Signed-off-by: Michal Simek Reviewed-by: Simon Glass --- include/dm/ofnode.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'include/dm/ofnode.h') diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 4b7af370560..ced7f6ffb25 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -605,6 +605,28 @@ const char *ofnode_read_chosen_string(const char *propname); */ ofnode ofnode_get_chosen_node(const char *propname); +/** + * ofnode_read_aliases_prop() - get the value of a aliases property + * + * This looks for a property within the /aliases node and returns its value + * + * @propname: Property name to look for + * @sizep: Returns size of property, or FDT_ERR_... error code if function + * returns NULL + * @return property value if found, else NULL + */ +const void *ofnode_read_aliases_prop(const char *propname, int *sizep); + +/** + * ofnode_get_aliases_node() - get a referenced node from the aliases node + * + * This looks up a named property in the aliases node and uses that as a path to + * look up a code. + * + * @return the referenced node if present, else ofnode_null() + */ +ofnode ofnode_get_aliases_node(const char *propname); + struct display_timing; /** * ofnode_decode_display_timing() - decode display timings -- cgit v1.2.3