> >>
> >> mcan@0 {
> >>    ...
> >>    fixed-transceiver {
> >>          max-canfd-speed = <2000>
> >>    };
> >>    ...
> >> };

Since when would a transceiver support different speeds for CAN & CANFD?
No transceivers were available, but they are now.
I see no datalink problem applying 2MBit for regular CAN with apropriate
physical layer, and CAN does not predefine the physical layer
(advise != define).

IMHO,
        fixed-transceiver {
                max-arbitration-speed = <2000000>
                max-data-speed = <4000000>
        };
is way better to describe the hardware.
Regular CAN chips would not consider max-data-speed...

Kind regards,
Kurt

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