# RMII GPIO Configuration to align with LAN8720 test board CONFIG_IDF_TARGET="esp32" CONFIG_EXAMPLE_ETH_PHY_INTERFACE_RMII=y CONFIG_EXAMPLE_ETH_RMII_CLK_OUTPUT=y CONFIG_EXAMPLE_ETH_RMII_CLK_GPIO=17 CONFIG_EXAMPLE_ETH_PHY_RST_GPIO=5 CONFIG_EXAMPLE_ETH_PHY_ADDR=0