[meta-xilinx] Integration of PL device in the Device Tree (Yocto)

[Jean-Francois Dagenais]

> On Apr 19, 2017, at 14:35, Giuseppe Di Guglielmo <giuseppe.diguglielmo at gmail.com> wrote:
> 
> I am familiar with the "manula" flow for the device tree compilation (dts/dtsi, dct, etc.) but I do not know how to integrate my own device using the Yocto flow. I am using a Zynq (zc702) board. Do you have any reference or suggestion?

We have a forked clone of the linux-xlnx kernel where we maintain our custom (including PL nodes) dts file.

It makes sense since we also maintain custom drivers and mods.

I mad a linux-abc recipe which is copied from linux-yocto-custom.bb, then I use defconfigs.

I manually have to track which linux repo sha-1 I use when I change my kernel or merge in linux-xlnx changes, as well as have to observe how the resulting .config of meta-xilinx's linux-xlnx recipe changes to maintain our defconfigs. It's a trade-off. For me the advantage is full control and very easy to predict and change.

Cheers!

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