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author | Michal Simek <michal.simek@xilinx.com> | 2020-07-28 12:51:08 +0200 |
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committer | Michal Simek <michal.simek@xilinx.com> | 2020-10-27 08:13:32 +0100 |
commit | 305d31885f2f35db486594d051d9aa3a4ed201c5 (patch) | |
tree | f457efe965ffae9667f967a0c27b4cf39ad95725 /include/dm/ofnode.h | |
parent | c94b44c64bd8661bee0eb4b39a2aac176c466147 (diff) | |
download | u-boot-305d31885f2f35db486594d051d9aa3a4ed201c5.zip u-boot-305d31885f2f35db486594d051d9aa3a4ed201c5.tar.gz u-boot-305d31885f2f35db486594d051d9aa3a4ed201c5.tar.bz2 |
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 <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dm/ofnode.h')
-rw-r--r-- | include/dm/ofnode.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 4b7af37..ced7f6f 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 |