On 11/4/20 7:48 PM, Patrick Menschel wrote: > Hi, > > I can confirm it works on a Pi 0w too. > > pi@rpi-0w-1:~ $ dmesg | grep -Ei can\|spi > [ 29.478369] CAN device driver interface > [ 29.615519] spi_master spi0: will run message pump with realtime priority > [ 29.660342] mcp251xfd spi0.0 can0: MCP2517FD rev0.0 (-RX_INT > +MAB_NO_WARN +CRC_REG +CRC_RX +CRC_TX +ECC -HD c:40.00MHz m:10.00MHz > r:10.00MHz e:0.00MHz) successfully initialized. > > Its just a bread board install and I had to reduce the Spi-Max-Frequency > due to 10cm long cables. It least I believe it's the cable length. What happens if you don't reduce the SPI frequency? Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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