The Stream Buffer for EtherAVB-IF (STBE) is an optional component, and
is not present on all SoCs.
Document this in the DT bindings, including a list of SoCs that do have
it.
Fixes: 785ec87483d1e24a ("ravb: document R8A77970 bindings")
Fixes: f231c4178a655b09 ("dt-bindings: net: renesas-ravb: Add support for R8A77995 RAVB")
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Acked-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
v2:
- Add Reviewed-by, Acked-by,
- Add R-Car M3-N.
---
Documentation/devicetree/bindings/net/renesas,ravb.txt | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/net/renesas,ravb.txt b/Documentation/devicetree/bindings/net/renesas,ravb.txt
index bf071a58f2926ad3..2b5cb655b0e93bfd 100644
--- a/Documentation/devicetree/bindings/net/renesas,ravb.txt
+++ b/Documentation/devicetree/bindings/net/renesas,ravb.txt
@@ -27,7 +27,11 @@ Required properties:
SoC-specific version corresponding to the platform first followed by
the generic version.
-- reg: offset and length of (1) the register block and (2) the stream buffer.
+- reg: Offset and length of (1) the register block and (2) the stream buffer.
+ The region for the register block is mandatory.
+ The region for the stream buffer is optional, as it is only present on
+ R-Car Gen2 and RZ/G1 SoCs, and on R-Car H3 (R8A7795), M3-W (R8A7796),
+ and M3-N (R8A77965).
- interrupts: A list of interrupt-specifiers, one for each entry in
interrupt-names.
If interrupt-names is not present, an interrupt specifier
--
2.7.4
