Hi,
El 24/03/15 a las 09:34, Michal Suchanek escibió:
6) I have no idea how to bind spidev (in DT?) even if spi worked
You need to declare your device, like with a properly supported device,
except your device's driver will be a spidev. See below for an example patch
from when I tested DMA on A10S
Unfortunately, spidev has no DT binding example I could find.
I got a DT node but cannot open it with my test program. It's
definitely a progress, though.
Thanks
Michal
https://github.com/hramrach/linux-sunxi/commit/18cf6cbbb63601fac50815046e002dfd8fe3a60c
https://github.com/hramrach/linux-sunxi/commit/4ccb40c2521933a737eb82b85019284ed7afb2ed
"spidev" is not a supported compatible
http://lxr.free-electrons.com/source/drivers/spi/spidev.c#L692
Have a second look at my example from earlier. You'll probably want to
add your own compatible to the driver (unless you want to use a
dh2228fv, that is).
Cheers,
Emilio
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