Re: can, tcan4x5x: look to merge rpi support into rpi kernel tree

Marc Kleine-Budde
2021-02-26T14:01:58Z

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On 26.02.2021 13:45:22, Torin Cooper-Bennun wrote:
> > Can you give me a reference to this?
>
> Here's the manual for 3.3 (annoyingly, I can't find corresponding
> documents for earlier M_CAN versions, and TCAN4550 uses 3.2...)

https://github.com/hartkopp/M_CAN-User-Manual-History

> http://www.bosch-semiconductors.com/media/ip_modules/pdf_2/m_can/mcan_users_manual_v330.pdf
>
> See Section 2.3.9, "Timestamp Counter Configuration (TSCC)". Quote:
>
> Note: With CAN FD an external counter is required for timestamp
> generation (TSS = “10”)

I suggest to check on the tcan hardware, what's really in the register.

Marc

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