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From: Andrew Lunn <andrew@lunn.ch>
To: Josua Mayer <josua@solid-run.com>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>, Frank Li <Frank.Li@nxp.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Yazan Shhady <yazan.shhady@solid-run.com>,
	Mikhail Anikin <mikhail.anikin@solid-run.com>,
	Alexander Dahl <ada@thorsis.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] arm64: dts: imx8dxl: Add SolidRun SoM and HummingBoard
Date: Wed, 8 Apr 2026 22:12:51 +0200	[thread overview]
Message-ID: <3024c143-520e-49ea-af17-33344ebf7149@lunn.ch> (raw)
In-Reply-To: <20260408-imx8dxl-sr-som-v1-2-ce5a39acd713@solid-run.com>

> +&eqos {
> +	phy-mode = "rgmii-id";
> +	pinctrl-0 = <&eqos_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	fixed-link {
> +		full-duplex;
> +		speed = <1000>;
> +	};
> +};

> +	ethernet-switch@0 {
> +		compatible = "nxp,sja1110a";

....

> +
> +			/* to CPU */
> +			port@2 {
> +				reg = <0x2>;
> +				ethernet = <&eqos>;
> +				label = "cpu";
> +				phy-mode = "rgmii-id";
> +				rx-internal-delay-ps = <2000>;
> +				tx-internal-delay-ps = <2000>;

The eqos is using rgmii-id, this port is using rmgii-id, and you set
the delays to 2000ns. How is this not resulting in 4000ns delays?

    Andrew


  parent reply	other threads:[~2026-04-08 20:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-08 18:38 [PATCH 0/2] arm64: dts: imx8dxl: Add SolidRun SoM and HummingBoard Josua Mayer
2026-04-08 18:38 ` [PATCH 1/2] dt-bindings: arm: fsl: Add SolidRun i.MX8DXL " Josua Mayer
2026-04-09  8:48   ` Krzysztof Kozlowski
2026-04-08 18:38 ` [PATCH 2/2] arm64: dts: imx8dxl: Add SolidRun " Josua Mayer
2026-04-08 18:45   ` Josua Mayer
2026-04-08 20:12   ` Andrew Lunn [this message]
2026-04-09 11:14     ` Josua Mayer
2026-04-09 12:11       ` Andrew Lunn
2026-04-09 12:18         ` Josua Mayer

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