On 11/20/20 2:09 PM, Drew Fustini wrote: > Note: It's only one overlay that can be used multiple times, here for a > mcp251xfd on spi0/cs0 and one one spi0/cs1: > > > dtoverlay=mcp251xfd,spi0-0,interrupt=25,rx_interrupt=27 > > dtoverlay=mcp251xfd,spi0-1,interrupt=5,rx_interrupt=13 > > For devices on spi1 or spi2, the interfaces should be enabled with one of the > spi1-1/2/3cs and/or spi2-1/2/3cs overlays. > > Is it possible to specify gpio pin for CS in dtoverlay? Let me see....Untested example though :D enable spi1 with 2 chip selects, use pin 23 for CS0 and pin 42 for CS1: | dtoverlay=spi1-2cs,cs0_pin=23,cs1_pin=42 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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