The Rockchip RK3308 SoC features an internal gmac. Only the signals required for RMII are exposed so it is limited to 10/100 Mbit/s operation. This patchset adds support for it. I've tested the patchset on a Rock Pi S, works fine. Cheers, Tobias Tobias Schramm (3): dt-bindings: net: rockchip-dwmac: add rk3308 gmac compatible net: stmmac: dwmac-rk: add support for rk3308 gmac arm64: dts: rockchip: add gmac to rk3308 dts .../bindings/net/rockchip-dwmac.yaml | 2 + arch/arm64/boot/dts/rockchip/rk3308.dtsi | 22 +++++++++ .../net/ethernet/stmicro/stmmac/dwmac-rk.c | 49 +++++++++++++++++++ 3 files changed, 73 insertions(+) -- 2.31.1