esp-idf/examples/ethernet/basic/main/Kconfig.projbuild

menu "Example Configuration"
    choice EXAMPLE_USE_ETHERNET
        prompt "Ethernet Type"
        default EXAMPLE_USE_INTERNAL_ETHERNET if IDF_TARGET_ESP32
        default EXAMPLE_USE_SPI_ETHERNET if !IDF_TARGET_ESP32
        help
            Select which kind of Ethernet will be used in the example.

        config EXAMPLE_USE_INTERNAL_ETHERNET
            depends on IDF_TARGET_ESP32
            select ETH_USE_ESP32_EMAC
            bool "Internal EMAC"
            help
                Select internal Ethernet MAC controller.

        config EXAMPLE_USE_SPI_ETHERNET
            bool "SPI Ethernet Module"
            select ETH_USE_SPI_ETHERNET
            help
                Select external SPI-Ethernet module.
    endchoice

    if EXAMPLE_USE_INTERNAL_ETHERNET
        choice EXAMPLE_ETH_PHY_MODEL
            prompt "Ethernet PHY Device"
            default EXAMPLE_ETH_PHY_IP101
            help
                Select the Ethernet PHY device to use in the example.

            config EXAMPLE_ETH_PHY_IP101
                bool "IP101"
                help
                    IP101 is a single port 10/100 MII/RMII/TP/Fiber Fast Ethernet Transceiver.
                    Goto http://www.icplus.com.tw/pp-IP101G.html for more information about it.

            config EXAMPLE_ETH_PHY_RTL8201
                bool "RTL8201/SR8201"
                help
                    RTL8201F/SR8201F is a single port 10/100Mb Ethernet Transceiver with auto MDIX.
                    Goto http://www.corechip-sz.com/productsview.asp?id=22 for more information about it.

            config EXAMPLE_ETH_PHY_LAN8720
                bool "LAN8720"
                help
                    LAN8720A is a small footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support.
                    Goto https://www.microchip.com/LAN8720A for more information about it.

            config EXAMPLE_ETH_PHY_DP83848
                bool "DP83848"
                help
                    DP83848 is a single port 10/100Mb/s Ethernet Physical Layer Transceiver.
                    Goto http://www.ti.com/product/DP83848J for more information about it.
        endchoice
    endif

    if EXAMPLE_USE_SPI_ETHERNET
        config EXAMPLE_ETH_SPI_HOST
            int "SPI Host Number"
            range 0 2
            default 1
            help
                Set the SPI host used to communicate with DM9051.

        config EXAMPLE_ETH_SCLK_GPIO
            int "SPI SCLK GPIO number"
            range 0 33
            default 19
            help
                Set the GPIO number used by SPI SCLK.

        config EXAMPLE_ETH_MOSI_GPIO
            int "SPI MOSI GPIO number"
            range 0 33
            default 23
            help
                Set the GPIO number used by SPI MOSI.

        config EXAMPLE_ETH_MISO_GPIO
            int "SPI MISO GPIO number"
            range 0 33
            default 25
            help
                Set the GPIO number used by SPI MISO.

        config EXAMPLE_ETH_CS_GPIO
            int "SPI CS GPIO number"
            range 0 33
            default 22
            help
                Set the GPIO number used by SPI CS.

        config EXAMPLE_ETH_SPI_CLOCK_MHZ
            int "SPI clock speed (MHz)"
            range 20 80
            default 20
            help
                Set the clock speed (MHz) of SPI interface.
    endif
endmenu