According to paragraph "7.16. Power" of the RTL8211F-CG datasheet, gmac0
needs to have a 3.3V power supply.
On page 22 of the NanoPi R5S version 2204, that is identified as
VCC_GEPHY_3V3 which is connected to the VCC_3V3 power source.
This fixes the following warning:
rk_gmac-dwmac
fe2a0000.ethernet: supply phy not found, using dummy regulator
Signed-off-by: Diederik de Haas <didi.debian@cknow.org>
Link: https://lore.kernel.org/r/20250503152917.138648-2-didi.debian@cknow.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
clock_in_out = "output";
phy-handle = <&rgmii_phy0>;
phy-mode = "rgmii";
+ phy-supply = <&vcc_3v3>;
pinctrl-names = "default";
pinctrl-0 = <&gmac0_miim
&gmac0_tx_bus2