linux-kernel - Re: [PATCH 3/3] arm64: dts: rockchip: Add Radxa E24C

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Message-ID: <72d979e8-005a-4d4d-b5d2-3f59e78574de@lunn.ch>
Date: Sun, 27 Jul 2025 18:15:34 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Jonas Karlman <jonas@...boo.se>
Cc: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Yao Zi <ziyao@...root.org>,
	Chukun Pan <amadeus@....edu.cn>, devicetree@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: rockchip: Add Radxa E24C

> +&gmac1 {
> +	clock_in_out = "output";
> +	phy-mode = "rgmii-id";
> +	phy-supply = <&avdd_rtl8367rb>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
> +		    <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>, <&gmac1_rstn_l>;
> +	status = "okay";
> +
> +	fixed-link {
> +		speed = <1000>;
> +		full-duplex;
> +	};

A fixed-link without an obvious reason gets me asking questions...

The schematic indicates there is a realtek 6387 switch on the other
end. rtl8365mb.c seems to support this. Is there a reason you did not
include this now?

	Andrew