The device tree is required for the Linux kernel source tree for describing the hardware of a certain platform.
The definition for your device doesn't exist in the FMAC driver. Also it wont be available in the kernel source as well.
Thank you for your reply. Actually we use old style to match platform driver. We decribe the hardware, but not use device tree.
We can introduce device tree to match FMAC driver. I mean I can add some information to device tree file FMAC driver needs.
At the same time, other hardware definition is described in kernel.
Can it work?
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It is better to introduce DTS way , maybe we can tune the hardware related with board file , but we should need to modify the code in the fmac, that will improve the difficulty when our code version is updated.