[PATCH v1 06/11] arm64: dts: freescale: imx8mm-var-som: Update WiFi/BT configuration

[Frank Li]

On Thu, Feb 26, 2026 at 06:44:59PM +0100, Stefano Radaelli wrote:
> Hi Frank,
>
> On Tue, Feb 24, 2026 at 04:30:28PM -0500, Frank Li wrote:
> >
> > If can't auto detected, I think keep old dts, use overlay change to new
> > one.
> >
> > For example, board.dtb
> >
> > you can rename board.dtb to board-revA.dtb
> > new board.dtb, by apply verb.dtso to board-revA.dtb.  Or you direct use
> > board-revb.dtb.
> >
> > If change is big, you can create new one.
> >
> > Frank
>
> Thanks for the clarification, I understand that the preferred approach
> would be to keep the existing Broadcom-based DTS unchanged and add a
> separate description for the IW612-based revision.
>
> My only concern is avoiding confusion in mainline.
>
> The Broadcom-based SOM revision is obsolete and no longer manufactured.
> All currently produced VAR-SOM-MX8MM modules use the IW612 module, and
> this will remain the only production hardware going forward.
>
> I would like to avoid giving the impression that we are actively
> supporting two parallel SOM revisions in mainline, while in reality
> only the IW612-based hardware exists in production.
>
> For this reason, would it be acceptable to:
>
>   - move the Broadcom-based description into an explicitly legacy
>     revision-specific DTS (kept unchanged for existing users), and
>   - update the main imx8mm-var-som DTS to reflect the current
>     IW612-based hardware?

The direction is correct. Just try to reduce duplicate the same code.

Frank


>
> This would preserve compatibility for older boards, but ensure that
> the primary DTS in mainline represents the hardware that is actually
> produced and aligns with the rest of the VAR-SOM family.
>
> Thank you again for your support and your patience!
>
> Best regards,
> Stefano