OpenWrt support for TP-link TL-WPA7510

I have one of these and was wondering about putting OpenWrt on it.

I’m pretty sure I’ll have to compile my own target for it (please correct me if I’m wrong).

It’s a powerline adapter with a Mediatek MT7620 to handle the Wi-Fi. So, that part should (hopefully) work since it’s supported by OpenWrt.

I’m wondering how to deal with the powerline Ethernet part. It’s a Broadcom 60350 (which I can’t find anything about).

TP-link does have the GPL source posted for it, but I’m not quite sure what part of their code references the Broadcom chip.

Perhaps someone else who has built a TP-link OpenWrt image can help?

Thanks in advance,