dm: doc: add documentation for pre-reloc properties in SPL and TPL
Add documentation for the pre-reloc property in SPL and TPL device-tree:
- u-boot,dm-pre-proper
- u-boot,dm-pre-reloc
- u-boot,dm-spl
- u-boot,dm-tpl
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm/util.h b/include/dm/util.h
index 60d3b93..348c2ac 100644
--- a/include/dm/util.h
+++ b/include/dm/util.h
@@ -52,12 +52,14 @@
* it is possible to determine if a node was bound in one of
* SPL/TPL stages.
*
- * There are 3 settings currently in use
- * -
+ * There are 4 settings currently in use
+ * - u-boot,dm-pre-proper: U-Boot proper pre-relocation only
* - u-boot,dm-pre-reloc: legacy and indicates any of TPL or SPL
* Existing platforms only use it to indicate nodes needed in
* SPL. Should probably be replaced by u-boot,dm-spl for
* existing platforms.
+ * - u-boot,dm-spl: SPL and U-Boot pre-relocation
+ * - u-boot,dm-tpl: TPL and U-Boot pre-relocation
* @node: of node
*
* Returns true if node is needed in SPL/TL, false otherwise.