[PATCH v11 3/3] arm64: dts: rockchip: rk3568-photonicat: enable SGMII LAN port

David Heidelberg david at ixit.cz
Thu Oct 22 10:13:06 PDT 2026


On 22/10/2026 18:58, Andrew Lunn wrote:
>> +	sgmii_phy: ethernet-phy at 3 {
>> +		compatible = "ethernet-phy-ieee802.3-c22";
>> +		reg = <0x3>;
>> +		max-speed = <1000>;
> 
> Pointless. SGMII cannot do faster, so there is no need to limit it.

device-tree is a description. whatever the device can do should be there,

"Maximum PHY supported speed in Mbits / seconds." thus 1000 is correct value.

thus max-speed <1000>; LGTM

David

> 
> 	Andrew




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