From: Andrew Lunn <andrew@lunn.ch>
To: Stefano Radaelli <stefano.radaelli21@gmail.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Stefano Radaelli <stefano.r@variscite.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Alexander Stein <alexander.stein@ew.tq-group.com>,
Dario Binacchi <dario.binacchi@amarulasolutions.com>,
Yannic Moog <y.moog@phytec.de>,
Primoz Fiser <primoz.fiser@norik.com>,
Markus Niebel <Markus.Niebel@tq-group.com>,
Josua Mayer <josua@solid-run.com>,
Francesco Dolcini <francesco.dolcini@toradex.com>,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/3] arm64: dts: imx95-var-dart: Add support for Variscite Sonata board
Date: Tue, 30 Dec 2025 11:53:17 +0100 [thread overview]
Message-ID: <138b59d1-e001-4c9b-bf8b-a5af703d747a@lunn.ch> (raw)
In-Reply-To: <20251229213726.79374-4-stefano.r@variscite.com>
> + sfp0: sfp {
> + compatible = "sff,sfp";
> + i2c-bus = <&lpi2c3>;
> + los-gpios = <&pca9534 1 GPIO_ACTIVE_HIGH>;
Minimalist for GPIOs, but O.K.
> + maximum-power-milliwatt = <2000>;
> + };
> +};
> +
> +&enetc_port1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enetc1>;
> + phy-handle = <ðphy1>;
> + /*
> + * The required RGMII TX and RX 2ns delays are implemented directly
> + * in hardware via passive delay elements on the SOM PCB.
> + * No delay configuration is needed in software via PHY driver.
> + */
> + phy-mode = "rgmii";
> + status = "okay";
> +};
> +
> +&enetc_port2 {
> + phy-mode = "10gbase-r";
> + sfp = <&sfp0>;
> + status = "okay";
> +
> + fixed-link {
> + speed = <10000>;
> + full-duplex;
> + };
> +};
The fixed link is not needed. phylink will ask the SFP plugged into
the cage what it is, and then configure the MAC as needed, 10GBase-R,
5GBase-X, 2.5BaseX, 1000BaseX, SGMII etc.
Andrew
next prev parent reply other threads:[~2025-12-30 10:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-29 21:37 [PATCH v2 0/3] Add support for Variscite DART-MX95 and Sonata board Stefano Radaelli
2025-12-29 21:37 ` [PATCH v2 1/3] dt-bindings: arm: fsl: add Variscite DART-MX95 Boards Stefano Radaelli
2025-12-30 11:16 ` Krzysztof Kozlowski
2025-12-29 21:37 ` [PATCH v2 2/3] arm64: dts: freescale: Add support for Variscite DART-MX95 Stefano Radaelli
2025-12-30 11:13 ` Fabio Estevam
2025-12-29 21:37 ` [PATCH v2 3/3] arm64: dts: imx95-var-dart: Add support for Variscite Sonata board Stefano Radaelli
2025-12-30 10:53 ` Andrew Lunn [this message]
2025-12-30 11:12 ` Fabio Estevam
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