Thanks for your reply. So there are no PCI device resource info in
flat device tree.
How do PCI device resources be assign in general case or is there any example?
I am so confusing, would you please give me detailed describle?

BRs, H. Johnny
>
> With flat device trees, PCI devices are not typically included as they
> can be probed instead.  Interrupt mapping is conveyed by the
> interrupt-map property in the PCI controller node.
>
> -Scott
>
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