On Mon, Oct 3, 2016 at 3:20 PM, pbft <[email protected]> wrote:
> I have several overlays that I've been using with an earlier (4.1.10)
> kernel. In trying to port everything to a more recent kernel, my two SPI
> overlays don't create pingroups and don't set pinmux attributes. I've
> recompiled them using the dtc that came with the new kernel with no effect.
> They load with no errors and appear in the slots file, but the SPI buses
> don't work and there are no SPI pingroups.
>
> Other overlays (for uarts, for instance) load properly and create pingroups
> as expected.
>
> On the same hardware, the earlier kernel works fine with the same overlays -
> the overlays load and the expected pingroups are created.
>
> The SPI overlays are the defaults, except that CS1 is enabled on spidev1.

Disable the "edma-fix" it's causing spi issues in v4.4.x

Just comment out it out like:

https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-boneblack.dts#L12

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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