[PATCH v1 2/3] arm64: dts: freescale: Add support for Variscite DART-MX93

Andrew Lunn andrew at lunn.ch
Thu Mar 26 09:41:12 PDT 2026


> +&eqos {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&pinctrl_eqos>;
> +	pinctrl-1 = <&pinctrl_eqos_sleep>;
> +	/*
> +	 * 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";
> +	phy-handle = <&ethphy0>;
> +	snps,clk-csr = <5>;
> +	status = "okay";
> +
> +	mdio {
> +		compatible = "snps,dwmac-mdio";
> +		clock-frequency = < 1000000>;

As far as i know, stmmac does not implement that property. There is
the danger somebody does implement it sometime in the future, and your
board breaks because it does not work a 10MHz.

I suggest removing this.

	Andrew



More information about the linux-arm-kernel mailing list