well in the more current u-boot of 2025-04 and dtb for rk3328-nanopi-r2s-plus
the 2nd NIC is disabled (scroll down)
the 2nd NIC is disabled (scroll down)
Code:
ethernet@ff540000 {
compatible = "rockchip,rk3328-gmac";
reg = <0x00 0xff540000 0x00 0x10000>;
interrupts = <0x00 0x18 0x04>;
interrupt-names = "macirq";
clocks = <0x02 0x64 0x02 0x57 0x02 0x58 0x02 0x5a 0x02 0x59 0x02 0x96 0x02 0xdf>;
clock-names = "stmmaceth\0mac_clk_rx\0mac_clk_tx\0clk_mac_ref\0clk_mac_refout\0aclk_mac\0pclk_mac";
resets = <0x02 0x63>;
reset-names = "stmmaceth";
rockchip,grf = <0x3a>;
tx-fifo-depth = <0x800>;
rx-fifo-depth = <0x1000>;
snps,txpbl = <0x04>;
status = "okay";
assigned-clocks = <0x02 0x64 0x02 0x66>;
assigned-clock-parents = <0x50 0x50>;
clock_in_out = "input";
phy-mode = "rgmii";
phy-supply = <0x1c>;
pinctrl-0 = <0x51>;
pinctrl-names = "default";
snps,aal;
phy-handle = <0x52>;
tx_delay = <0x24>;
rx_delay = <0x18>;
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <0x01>;
#size-cells = <0x00>;
ethernet-phy@1 {
reg = <0x01>;
pinctrl-0 = <0x53>;
pinctrl-names = "default";
reset-assert-us = <0x2710>;
reset-deassert-us = <0xc350>;
reset-gpios = <0x29 0x12 0x01>;
phandle = <0x52>;
};
};
};
ethernet@ff550000 {
compatible = "rockchip,rk3328-gmac";
reg = <0x00 0xff550000 0x00 0x10000>;
rockchip,grf = <0x3a>;
interrupts = <0x00 0x15 0x04>;
interrupt-names = "macirq";
clocks = <0x02 0x54 0x02 0x53 0x02 0x53 0x02 0x55 0x02 0x95 0x02 0xde 0x02 0x56>;
clock-names = "stmmaceth\0mac_clk_rx\0mac_clk_tx\0clk_mac_ref\0aclk_mac\0pclk_mac\0clk_macphy";
resets = <0x02 0x62>;
reset-names = "stmmaceth";
phy-mode = "rmii";
phy-handle = <0x54>;
tx-fifo-depth = <0x800>;
rx-fifo-depth = <0x1000>;
snps,txpbl = <0x04>;
clock_in_out = "output";
status = "disabled";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <0x01>;
#size-cells = <0x00>;
ethernet-phy@0 {
compatible = "ethernet-phy-id1234.d400\0ethernet-phy-ieee802.3-c22";
reg = <0x00>;
clocks = <0x02 0x56>;
resets = <0x02 0x64>;
pinctrl-names = "default";
pinctrl-0 = <0x55 0x56>;
phy-is-integrated;
phandle = <0x54>;
};
};
};