From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc: "Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"Clément Léger" <clement.leger@bootlin.com>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Heiner Kallweit" <hkallweit1@gmail.com>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Magnus Damm" <magnus.damm@gmail.com>,
linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
"Biju Das" <biju.das.jz@bp.renesas.com>,
"Fabrizio Castro" <fabrizio.castro.jz@renesas.com>,
"Lad Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: Re: [PATCH net-next 1/2] dt-bindings: net: pcs: renesas,rzn1-miic: Add renesas,miic-phylink-active-low property
Date: Thu, 13 Nov 2025 15:58:05 +0000 [thread overview]
Message-ID: <aRYADfD8QkIw9Fnd@shell.armlinux.org.uk> (raw)
In-Reply-To: <CA+V-a8s5fg02ZQT4tubJ46iBFtNXJRvTPp2DLJgeFnb3eMQPfg@mail.gmail.com>
On Thu, Nov 13, 2025 at 02:45:18PM +0000, Lad, Prabhakar wrote:
> Hi Wolfram,
>
> On Wed, Nov 12, 2025 at 8:40 PM Wolfram Sang
> <wsa+renesas@sang-engineering.com> wrote:
> >
> > Hi Prabhakar,
> >
> > > Add the boolean DT property `renesas,miic-phylink-active-low` to the RZN1
> >
> > Hmm, we already have "renesas,ether-link-active-low" in
> > renesas,ether.yaml and renesas,etheravb.yaml. Can't we reuse that?
> >
> On the RZ/N1x we have the below architecture
>
> +----> Ethernet Switch
> | |
> | v
> MII Converter ----------------------+ GMAC (Synopsys IP)
> |
> +----> EtherCAT
> Slave Controller
> |
> +----> SERCOS
> Controller
I'm not sure that diagram has come out correctly. If you're going to
draw diagrams, make sure you do it using a fixed-width font. To me,
it looks like the MII Converter is bolted to GMAC and only has one
connection, and the GMAC has what seems to be maybe five connections.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2025-11-13 15:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-12 20:19 [PATCH net-next 0/2] Add support for PHY link active-level configuration in RZN1 MIIC driver Prabhakar
2025-11-12 20:19 ` [PATCH net-next 1/2] dt-bindings: net: pcs: renesas,rzn1-miic: Add renesas,miic-phylink-active-low property Prabhakar
2025-11-12 20:40 ` Wolfram Sang
2025-11-13 14:45 ` Lad, Prabhakar
2025-11-13 15:58 ` Russell King (Oracle) [this message]
2025-11-13 19:05 ` Lad, Prabhakar
2025-11-13 19:10 ` Lad, Prabhakar
2025-11-12 20:57 ` Andrew Lunn
2025-11-13 18:53 ` Lad, Prabhakar
2025-11-13 21:58 ` Andrew Lunn
2025-11-26 20:55 ` Lad, Prabhakar
2025-11-26 21:28 ` Andrew Lunn
2026-01-09 9:18 ` Lad, Prabhakar
2025-11-12 20:19 ` [PATCH net-next 2/2] net: pcs: rzn1-miic: Add support for PHY link active-level configuration Prabhakar
2025-11-12 21:00 ` Andrew Lunn
2025-11-12 22:11 ` Russell King (Oracle)
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