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dt-bindings: can: rcar_canfd: document r8a77990 support

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Document the support for rcar_canfd on R8A77990 SoC devices.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Marek Vasut
2019-06-17 11:19:36 +02:00
committed by Simon Horman
parent d04824b263
commit 485dccb48f
1 changed files with 7 additions and 6 deletions
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Documentation/devicetree/bindings/net/can/rcar_canfd.txt
+7 -6
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@@ -9,6 +9,7 @@ Required properties:
- "renesas,r8a77965-canfd" for R8A77965 (R-Car M3-N) compatible controller.
- "renesas,r8a77970-canfd" for R8A77970 (R-Car V3M) compatible controller.
- "renesas,r8a77980-canfd" for R8A77980 (R-Car V3H) compatible controller.
- "renesas,r8a77990-canfd" for R8A77990 (R-Car E3) compatible controller.
When compatible with the generic version, nodes must list the
SoC-specific version corresponding to the platform first, followed by the
@@ -27,12 +28,12 @@ The name of the child nodes are "channel0" and "channel1" respectively. Each
child node supports the "status" property only, which is used to
enable/disable the respective channel.
Required properties for "renesas,r8a7795-canfd", "renesas,r8a7796-canfd" and
"renesas,r8a77965-canfd" compatible:
In R8A7795, R8A7796 and R8A77965 SoCs, canfd clock is a div6 clock and can
be used by both CAN and CAN FD controller at the same time. It needs to be
scaled to maximum frequency if any of these controllers use it. This is done
using the below properties:
Required properties for "renesas,r8a7795-canfd", "renesas,r8a7796-canfd",
"renesas,r8a77965-canfd" and "renesas,r8a77990-canfd" compatible:
In R8A7795, R8A7796, R8A77965 and R8A77990 SoCs, canfd clock is a div6 clock
and can be used by both CAN and CAN FD controller at the same time. It needs
to be scaled to maximum frequency if any of these controllers use it. This is
done using the below properties:
- assigned-clocks: phandle of canfd clock.
- assigned-clock-rates: maximum frequency of this clock.