f28de6a544
As used in ESP32-Ethernet-Kit board: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/get-started-ethernet-kit.html Inspired by existing code for lan8720 PHY as well as latest ESP32 code: https://github.com/espressif/esp-idf/blob/master/components/esp_eth/src/esp_eth_phy_ip101.c Phy datasheet available: http://www.bdtic.com/ICplus/IP101G.html