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dt-bindings: net: renesas-ravb: Make stream buffer optional

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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: 785ec87483 ("ravb: document R8A77970 bindings")
Fixes: f231c4178a ("dt-bindings: net: renesas-ravb: Add support for R8A77995 RAVB")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geert Uytterhoeven 2018-03-02 16:01:48 +01:00 committed by David S. Miller
parent 2cbb4ea7de
commit 25b5cdfcce
1 changed files with 5 additions and 1 deletions
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6
Documentation/devicetree/bindings/net/renesas,ravb.txt
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@ -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