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

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