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dt-bindings: can: rcar_canfd: document r8a774a1 support 

Document the support for rcar_canfd on R8A774A1 SoC devices.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Fabrizio Castro 2019-06-14 12:53:29 +01:00 committed by Geert Uytterhoeven
parent 5f9e832c13
commit a7aa356e2c
1 changed files with 5 additions and 4 deletions
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9
Documentation/devicetree/bindings/net/can/rcar_canfd.txt
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@ -4,6 +4,7 @@ Renesas R-Car CAN FD controller Device Tree Bindings
Required properties:
- compatible: Must contain one or more of the following:
- "renesas,rcar-gen3-canfd" for R-Car Gen3 and RZ/G2 compatible controllers.
- "renesas,r8a774a1-canfd" for R8A774A1 (RZ/G2M) compatible controller.
- "renesas,r8a774c0-canfd" for R8A774C0 (RZ/G2E) compatible controller.
- "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller.
- "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller.
@ -32,10 +33,10 @@ enable/disable the respective channel.
Required properties for "renesas,r8a774c0-canfd", "renesas,r8a7795-canfd",
"renesas,r8a7796-canfd", "renesas,r8a77965-canfd", and "renesas,r8a77990-canfd"
compatible:
In R8A774C0, 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:
In R8A774A1, R8A774C0, 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.