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-rw-r--r--Documentation/devicetree/bindings/barebox/barebox,state.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/barebox/barebox,state.rst b/Documentation/devicetree/bindings/barebox/barebox,state.rst
index 4b1aade662..cebb5f8287 100644
--- a/Documentation/devicetree/bindings/barebox/barebox,state.rst
+++ b/Documentation/devicetree/bindings/barebox/barebox,state.rst
@@ -48,8 +48,10 @@ Optional Properties
###################
* ``backend-stridesize``: stride counted in bytes. See note below.
-* ``backend-storage-type``: Defines the backend storage type to ``direct`` or
- ``circular``. Defaults to ``circular`` for media which requires erase cycles.
+* ``backend-storage-type``: Defines the backend storage type to ``direct``,
+ ``circular`` or ``noncircular``. If the backend memory needs to be erased
+ prior a write it defaults to the ``circular`` storage backend type, for backend
+ memories like RAMs or EEPROMs it defaults to the ``direct`` storage backend type.
* ``algo``: A HMAC algorithm used to detect manipulation of the data
or header, sensible values follow this pattern ``hmac(<HASH>)``,
e.g. ``hmac(sha256)``. Only available for the ``backend-type`` ``raw``.