Document the support for rcar_canfd on R8A774C0 SoC devices. Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx> Reviewed-by: Chris Paterson <Chris.Paterson2@xxxxxxxxxxx> --- This patch depends on: https://patchwork.kernel.org/patch/10687999/ https://patchwork.kernel.org/patch/10688001/ Documentation/devicetree/bindings/net/can/rcar_canfd.txt | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt index 41049fe..32f051f 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt @@ -3,7 +3,8 @@ 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 compatible controller. + - "renesas,rcar-gen3-canfd" for R-Car Gen3 and RZ/G2 compatible controllers. + - "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. - "renesas,r8a77965-canfd" for R8A77965 (R-Car M3-N) compatible controller. @@ -28,12 +29,13 @@ 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", -"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: +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: - assigned-clocks: phandle of canfd clock. - assigned-clock-rates: maximum frequency of this clock. -- 2.7.4
