[PATCH 2/2] arm64: dts: rockchip: Add rk3399-evb-ind board
Chaoyi Chen
chaoyi.chen at rock-chips.com
Sun Apr 27 18:47:34 PDT 2025
Hi Andrew,
On 2025/4/28 4:42, Andrew Lunn wrote:
>> +&gmac {
>> + assigned-clocks = <&cru SCLK_RMII_SRC>;
>> + assigned-clock-parents = <&clkin_gmac>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&rgmii_pins>;
>> + clock_in_out = "input";
>> + phy-supply = <&vcc_phy>;
>> + phy-mode = "rgmii";
> Does the PCB have extra long clock lines to implement the RGMII 2ns
> delay?
The 2ns delay of RGMII is implemented inside the RK3399 chip instead of
PCB lines, and there are also additional delayline configurations.
>
> Andrew
>
>
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