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dt-bindings: can: rcar_canfd: document r8a77965 support

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Document the support for rcar_canfd on R8A77965 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
2019-05-09 20:20:20 +01:00
committed by Simon Horman
parent d703a52eb1
commit d04824b263
1 changed files with 7 additions and 6 deletions
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13
Documentation/devicetree/bindings/net/can/rcar_canfd.txt
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@@ -6,6 +6,7 @@ Required properties:
- "renesas,rcar-gen3-canfd" for R-Car Gen3 compatible controller. - "renesas,rcar-gen3-canfd" for R-Car Gen3 compatible controller.
- "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller. - "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller.
- "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller. - "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller.
- "renesas,r8a77965-canfd" for R8A77965 (R-Car M3-N) compatible controller.
- "renesas,r8a77970-canfd" for R8A77970 (R-Car V3M) compatible controller. - "renesas,r8a77970-canfd" for R8A77970 (R-Car V3M) compatible controller.
- "renesas,r8a77980-canfd" for R8A77980 (R-Car V3H) compatible controller. - "renesas,r8a77980-canfd" for R8A77980 (R-Car V3H) compatible controller.
@@ -26,12 +27,12 @@ The name of the child nodes are "channel0" and "channel1" respectively. Each
child node supports the "status" property only, which is used to child node supports the "status" property only, which is used to
enable/disable the respective channel. enable/disable the respective channel.
Required properties for "renesas,r8a7795-canfd" and "renesas,r8a7796-canfd" Required properties for "renesas,r8a7795-canfd", "renesas,r8a7796-canfd" and
compatible: "renesas,r8a77965-canfd" compatible:
In R8A7795 and R8A7796 SoCs, canfd clock is a div6 clock and can be used by both In R8A7795, R8A7796 and R8A77965 SoCs, canfd clock is a div6 clock and can
CAN and CAN FD controller at the same time. It needs to be scaled to maximum be used by both CAN and CAN FD controller at the same time. It needs to be
frequency if any of these controllers use it. This is done using the below scaled to maximum frequency if any of these controllers use it. This is done
properties: using the below properties:
- assigned-clocks: phandle of canfd clock. - assigned-clocks: phandle of canfd clock.
- assigned-clock-rates: maximum frequency of this clock. - assigned-clock-rates: maximum frequency of this clock.