From: Andrew Lunn <andrew@lunn.ch>
To: "Neeli, Srinivas" <srinivas.neeli@amd.com>
Cc: "andrew+netdev@lunn.ch" <andrew+netdev@lunn.ch>,
"davem@davemloft.net" <davem@davemloft.net>,
"edumazet@google.com" <edumazet@google.com>,
"kuba@kernel.org" <kuba@kernel.org>,
"pabeni@redhat.com" <pabeni@redhat.com>,
"Simek, Michal" <michal.simek@amd.com>,
"robh@kernel.org" <robh@kernel.org>,
"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"richardcochran@gmail.com" <richardcochran@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"git (AMD-Xilinx)" <git@amd.com>
Subject: Re: [RFC PATCH 1/8] dt-bindings: net: Add TSN Endpoint Ethernet MAC support
Date: Fri, 20 Feb 2026 14:39:22 +0100 [thread overview]
Message-ID: <36492eda-a332-4dc8-abd2-99be88f7d06e@lunn.ch> (raw)
In-Reply-To: <SN7PR12MB814702B7C9A28577A94FE79C9368A@SN7PR12MB8147.namprd12.prod.outlook.com>
> > > + // Endpoint Node
> > > + ep_mac: ep-mac@16000 {
> > > + reg = <0x16000 0xa000>;
> > > + };
> >
> > Except the Endpoint MAC does not have MDIO? Or does it have an MDIO bus,
> > and you have simply not listed it?
> The endpoint MAC does not connect to an external PHY and therefore does not expose an MDIO bus.
> It is an internal endpoint, so no MDIO node is required.
It does not really matter if it is required. Does it physically exist?
Can MDC and MDIO be routed to pins? Could i hang an external switch
off it?
DT describes hardware. If the hardware exists, describe it.
Andrew
next prev parent reply other threads:[~2026-02-20 13:39 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-19 5:49 [RFC PATCH 0/8] xilinx: tsn: Add TSN Endpoint Ethernet MAC driver support Srinivas Neeli
2026-02-19 5:49 ` [RFC PATCH 1/8] dt-bindings: net: Add TSN Endpoint Ethernet MAC support Srinivas Neeli
2026-02-19 16:53 ` Andrew Lunn
2026-02-20 13:03 ` Neeli, Srinivas
2026-02-20 13:39 ` Andrew Lunn [this message]
2026-02-24 11:08 ` Neeli, Srinivas
2026-02-19 5:49 ` [RFC PATCH 2/8] net: xilinx: tsn: Introduce TSN core driver skeleton Srinivas Neeli
2026-02-19 7:32 ` Krzysztof Kozlowski
2026-02-19 5:49 ` [RFC PATCH 3/8] net: xilinx: tsn: Add TSN endpoint and MCDMA support Srinivas Neeli
2026-02-19 5:49 ` [RFC PATCH 4/8] xilinx: tsn: Add Ethernet MAC (EMAC) and MDIO support to the TSN driver Srinivas Neeli
2026-02-19 17:05 ` Andrew Lunn
2026-02-20 13:08 ` Neeli, Srinivas
2026-02-20 15:03 ` Andrew Lunn
2026-02-24 11:11 ` Neeli, Srinivas
2026-02-20 15:12 ` Andrew Lunn
2026-02-24 11:15 ` Neeli, Srinivas
2026-02-19 5:49 ` [RFC PATCH 5/8] net: xilinx: tsn: Add TSN switch support with port state and frame filter control Srinivas Neeli
2026-02-19 5:49 ` [RFC PATCH 6/8] dt-bindings: net: Add PTP interrupt support Srinivas Neeli
2026-02-20 15:17 ` Andrew Lunn
2026-02-19 5:49 ` [RFC PATCH 7/8] net: xilinx: tsn: Add PTP hardware clock (PHC) and timer support Srinivas Neeli
2026-02-19 5:49 ` [RFC PATCH 8/8] net: xilinx: tsn: Add PTP packet transmission support Srinivas Neeli
2026-02-19 7:34 ` [RFC PATCH 0/8] xilinx: tsn: Add TSN Endpoint Ethernet MAC driver support Krzysztof Kozlowski
2026-02-19 16:42 ` Andrew Lunn
2026-02-20 12:59 ` Neeli, Srinivas
2026-02-20 13:36 ` Andrew Lunn
2026-03-05 11:46 ` Neeli, Srinivas
2026-03-26 10:11 ` Neeli, Srinivas
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