diff options
| author | Chen Guanqiao | 2021-04-12 14:51:11 +0800 |
|---|---|---|
| committer | Simon Glass | 2021-04-29 03:23:39 -0700 |
| commit | aa351a14bd0a78221014719d190b565be60cb4ce (patch) | |
| tree | bb9c83d868e56ef811ef06229978ba2ac3b81628 /include/dm/ofnode.h | |
| parent | f1a83abe60b4ef8b2652e4c8e1d11a9afc909b71 (diff) | |
dm: core: Add size operations on device tree references
Add functions to add size of addresses in the device tree using ofnode
references.
If the size is not set, return FDT_SIZE_T_NONE.
Signed-off-by: Chen Guanqiao <chenguanqiao@kuaishou.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dm/ofnode.h')
| -rw-r--r-- | include/dm/ofnode.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 2c0597c4073..8a69fd87da7 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -511,6 +511,16 @@ phys_addr_t ofnode_get_addr_index(ofnode node, int index); phys_addr_t ofnode_get_addr(ofnode node); /** + * ofnode_get_size() - get size from a node + * + * This reads the register size from a node + * + * @node: node to read from + * @return size of the address, or FDT_SIZE_T_NONE if not present or invalid + */ +fdt_size_t ofnode_get_size(ofnode node); + +/** * ofnode_stringlist_search() - find a string in a string list and return index * * Note that it is possible for this function to succeed on property values |