By the way, here is a question to the broadcom folks:

On Sat, Mar 13, 2021 at 10:53 PM Linus Walleij [off-list ref] wrote:

+          - brcm,bcm43143-fmac
+          - brcm,bcm4341b0-fmac
+          - brcm,bcm4341b4-fmac
+          - brcm,bcm4341b5-fmac
+          - brcm,bcm4329-fmac
+          - brcm,bcm4330-fmac
+          - brcm,bcm4334-fmac
+          - brcm,bcm43340-fmac
+          - brcm,bcm4335-fmac
+          - brcm,bcm43362-fmac
+          - brcm,bcm4339-fmac
+          - brcm,bcm43430a0-fmac
+          - brcm,bcm43430a1-fmac
+          - brcm,bcm43455-fmac
+          - brcm,bcm43456-fmac
+          - brcm,bcm4354-fmac
+          - brcm,bcm4356-fmac
+          - brcm,bcm4359-fmac
+          - cypress,cyw4373-fmac
+          - cypress,cyw43012-fmac

Here the "-fmac" suffix is added to distinguish the function from
other functions
in a combochip, usually WLAN + Bluetooth.

Are there some of these that are just WLAN and not combochips? In that case they
shall not have the "-fmac" suffix.

Yours,
Linus Walleij