Thread (3 messages) 3 messages, 3 authors, 2017-06-29

Re: CAN-FD Transceiver Limitations

From: Kurt Van Dijck <hidden>
Date: 2017-06-29 22:36:32
Also in: linux-can, netdev

Possibly related (same subject, not in this thread)

quoted
quoted
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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