[PATCH 2/4] arm64: dts: st: enable ethernet1 controller on stm32mp257f-dk

Gatien CHEVALLIER gatien.chevallier at foss.st.com
Wed Sep 3 06:35:01 PDT 2025



On 9/3/25 14:21, Andrew Lunn wrote:
>> +&ethernet1 {
>> +	pinctrl-0 = <&eth1_rgmii_pins_b>;
>> +	pinctrl-1 = <&eth1_rgmii_sleep_pins_b>;
>> +	pinctrl-names = "default", "sleep";
>> +	max-speed = <1000>;
> 
> RGMII naturally has a max-speed of 1G, so this line is pointless.
> 
> You only use max-speed when you need to restrict the system below what
> it would normally use, for example if the PCB is badly designed and
> the tracks don't support 1G, but can do 100Mbps
> 
> 	Andrew

Right, I'll simply remove these lines.

Gatien



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