linux-kernel - Re: [PATCH v2 1/5] dt-bindings: arm: ti: add toradex,verdin-am62 et al.

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Message-ID: <20230605044816.GU14287@atomide.com>
Date:   Mon, 5 Jun 2023 07:48:16 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Francesco Dolcini <francesco@...cini.it>
Cc:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Francesco Dolcini <francesco.dolcini@...adex.com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v2 1/5] dt-bindings: arm: ti: add toradex,verdin-am62 et
 al.

* Francesco Dolcini <francesco@...cini.it> [230602 08:18]:
> On Fri, Jun 02, 2023 at 10:20:45AM +0300, Tony Lindgren wrote:
> > Hi,
> > 
> > * Francesco Dolcini <francesco@...cini.it> [230601 13:15]:
> > > From: Francesco Dolcini <francesco.dolcini@...adex.com>
> > > 
> > > Add toradex,verdin-am62 for Toradex Verdin AM62 SoM, its
> > > nonwifi and wifi variants and the carrier boards (Dahlia,
> > > Verdin Development Board and Yavia) they may be mated in.
> > 
> > Looks like you have wifi on sdio, there should be no need for separate
> > compatible properties. The sdio wifi will try to probe and will just bail
> > out if no wifi is populated.
> > 
> > If however the non-wifi variants are recycling the sdio pins for something
> > else, then it's it's a different story. In that case you want either
> > seprate compatible properties, or want to use dts fragments possibly.
> 
> This is exactly the case, the wifi/non-wifi variant are re-using pins.
> 
> I provided a more verbose explanation on that on a previous discussion
> https://lore.kernel.org/all/ZG5jYV%2FNfGJvYkma@francesco-nb.int.toradex.com/

Ok thanks for the information.

Regards,

Tony