[ts-7000] SPI slave Linux driver for EP93xx (e.g. EP93xx is slave, not master)?

["andreas queisser" <>]

Hi all,

I've got SPI running on my TS7300 with spidev. The TS7300 is master and a micro 
on another dev board is the slave. I'd like to switch roles, e.g. the other 
micro is the master and my TS7300 is the slave.

Has anyone done something like this? Looking over the Linux driver code it 
seems possible to shoehorn some code into the driver that waits for data to 
come in. I imagine a mode where I issue a large read and the driver fills up as 
much as it can within some configurable timeout.

Outgoing data isn't really a problem in my case so I don't have to worry too 
much about filling the TX FIFO while reading the RX FIFO.

Thanks for any tips,
Andrew Queisser




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