linux-kernel - Re: [PATCH net-next v3 1/6] dt-bindings: net: brcm,unimac-mdio: Add asp-v2.0

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Date:   Mon, 22 May 2023 19:17:54 +0100
From:   Conor Dooley <mail@...chuod.ie>
To:     Justin Chen <justin.chen@...adcom.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        bcm-kernel-feedback-list@...adcom.com
Cc:     justinpopo6@...il.com, f.fainelli@...il.com, davem@...emloft.net,
        florian.fainelli@...adcom.com, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, opendmb@...il.com,
        andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        richardcochran@...il.com, sumit.semwal@...aro.org,
        christian.koenig@....com
Subject: Re: [PATCH net-next v3 1/6] dt-bindings: net: brcm,unimac-mdio: Add
 asp-v2.0

On Fri, May 19, 2023 at 02:19:39PM -0700, Justin Chen wrote:
 > The ASP 2.0 Ethernet controller uses a brcm unimac.
 >
 > Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
 > Signed-off-by: Justin Chen <justin.chen@...adcom.com>
 > ---
 >  Documentation/devicetree/bindings/net/brcm,unimac-mdio.yaml | 2 ++
 >  1 file changed, 2 insertions(+)
 >
 > diff --git 
a/Documentation/devicetree/bindings/net/brcm,unimac-mdio.yaml 
b/Documentation/devicetree/bindings/net/brcm,unimac-mdio.yaml
 > index 0be426ee1e44..6684810fcbf0 100644
 > --- a/Documentation/devicetree/bindings/net/brcm,unimac-mdio.yaml
 > +++ b/Documentation/devicetree/bindings/net/brcm,unimac-mdio.yaml
 > @@ -22,6 +22,8 @@ properties:
 >        - brcm,genet-mdio-v3
 >        - brcm,genet-mdio-v4
 >        - brcm,genet-mdio-v5
 > +      - brcm,asp-v2.0-mdio
 > +      - brcm,asp-v2.1-mdio
 >        - brcm,unimac-mdio


 From V(N-1), there was some discussion between Rob & Florian:
 > > How many SoCs does each of these correspond to? SoC specific 
compatibles
 > > are preferred to version numbers (because few vendors are disciplined
 > > at versioning and also not changing versions with every Soc).
 >
 > So far there is a 1:1 mapping between the number of versions and the
 > number of SoCs, and the older SoC uses v2.0, while the newer one uses 
v2.1.

Rob's not around right now, but I don't really get why if there is a 1:1
mapping you don't just name these things after the SoCs?

Also, my mailer **refused** to let me reply to you because of something
to do with a garbage S/MIME signature? Dunno wtf is happening there.

Cheers,
Conor.