[meta-xilinx] modify the device tree in custom layer

[Toby Gomersall]

Hi,

I'm trying to modify the device tree from my own layer. What is the best
way to do this?

I have got the system working by adding to the zedboard-zynq7-board.dtsi
within meta-xilinx but I want to move this modification to my own layer.

I have tried Creating my own custom.dts and custom.dtsi files, then
appended the MACHINE_DEVICETREE variable to point to them. I thought
that the device-tree.bb recipe in meta-xilinx would pull in my additions
but I just get errors when I try to build.

Have I missed a step or is there a better way to achieve this?

Thanks,
Toby

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