linux-kernel - Re: [RFC net-next 1/2] dt-bindings: net: dsa: add bindings for GSW Series switches

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Date:   Thu, 27 Oct 2022 16:57:19 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Camel Guo <camelg@...s.com>, Camel Guo <Camel.Guo@...s.com>,
        Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Vivien Didelot <vivien.didelot@...il.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Rob Herring <robh@...nel.org>, kernel <kernel@...s.com>
Subject: Re: [RFC net-next 1/2] dt-bindings: net: dsa: add bindings for GSW
 Series switches

Hi Camel,

On Thu, Oct 27, 2022 at 08:46:27AM -0400, Krzysztof Kozlowski wrote:
> >  >> +      - enum:
> >  >> +          - mxl,gsw145-mdio
> >  >
> >  > Why "mdio" suffix?
> > 
> > Inspired by others dsa chips.
> > lan9303.txt:  - "smsc,lan9303-mdio" for mdio managed mode
> > lantiq-gswip.txt:- compatible   : "lantiq,xrx200-mdio" for the MDIO bus
> > inside the GSWIP
> > nxp,sja1105.yaml:                  - nxp,sja1110-base-t1-mdio
> 
> As I replied to Andrew, this is discouraged.

Let's compare apples to apples, shall we?
"nxp,sja1110-base-t1-mdio" is the 100Base-T1 MDIO controller of the
NXP SJA1110 switch, hence the name. It is not a SJA1110 switch connected
over MDIO.