diff --git a/CHANGELOG.md b/CHANGELOG.md
index aaa2e3bb7..b39956120 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 ### Added
 - Internal support for persistent JSON settings using single file
 - Command ``SetOption158`` to publish or suppress ModbusReceived MQTT messages (#20678)
+- ESP32 Core3 support for SPI ethernet on DM9051, W5500 and KSZ8851
 
 ### Breaking Changed
 - ESP32 LVGL library from v8.3.11 to v9.0.0, some small breaking changes in C, none in HASPmota (#20659)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index a10bf4647..134474a39 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -136,6 +136,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - ESP32 MI BLE support for Xiaomi LYWSD02MMC [#20381](https://github.com/arendst/Tasmota/issues/20381)
 - ESP32 support for Shelly Plus Add-On using DS18x20 or DHT11/AM2301/DHT21/DHT22/AM2302/AM2321/SI7021 on GPIO0/1 [#20580](https://github.com/arendst/Tasmota/issues/20580)
 - ESP32 MI32 Legacy initial support for sensors using BTHOME packet format [#20625](https://github.com/arendst/Tasmota/issues/20625)
+- ESP32 Core3 support for SPI ethernet on DM9051, W5500 and KSZ8851
 - ESP32-C3 support for GPIO11 [#18350](https://github.com/arendst/Tasmota/issues/18350)
 - Berry GPIO viewer initial version using async webserver [#20416](https://github.com/arendst/Tasmota/issues/20416)
 - Berry `introspect.set()` for class attributes [#20339](https://github.com/arendst/Tasmota/issues/20339)
diff --git a/tasmota/tasmota_xdrv_driver/xdrv_82_esp32_ethernet.ino b/tasmota/tasmota_xdrv_driver/xdrv_82_esp32_ethernet.ino
index 63e1d7d51..9ea0e8f89 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_82_esp32_ethernet.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_82_esp32_ethernet.ino
@@ -71,8 +71,11 @@
 #endif
 
 #ifndef ETH_TYPE
-#define ETH_TYPE          ETH_PHY_LAN8720        // ETH.h eth_phy_type_t:   0 = ETH_PHY_LAN8720, 1 = ETH_PHY_TLK110/ETH_PHY_IP101, 2 = ETH_PHY_RTL8201, 3 = ETH_PHY_DP83848, 4 = ETH_PHY_DM9051, 5 = ETH_PHY_KSZ8081
-
+#if ESP_IDF_VERSION_MAJOR >= 5
+#define ETH_TYPE          ETH_PHY_LAN8720        // ETH.h eth_phy_type_t:   0 = ETH_PHY_LAN8720, 1 = ETH_PHY_TLK110/ETH_PHY_IP101, 2 = ETH_PHY_RTL8201, 3 = ETH_PHY_JL1101, 4 = ETH_PHY_DP83848, 5 = ETH_PHY_KSZ8041, 6 = ETH_PHY_KSZ8081, 7 = ETH_PHY_DM9051, 8 = ETH_PHY_W5500, 9 = ETH_PHY_KSZ8851
+#else
+#define ETH_TYPE          ETH_PHY_LAN8720        // ETH.h eth_phy_type_t:   0 = ETH_PHY_LAN8720, 1 = ETH_PHY_TLK110/ETH_PHY_IP101, 2 = ETH_PHY_RTL8201, 3 = ETH_PHY_DP83848, 4 = ETH_PHY_DM9051, 5 = ETH_PHY_KSZ8041, 6 = ETH_PHY_KSZ8081, 7 = ETH_PHY_JL1101
+#endif
 #endif
 
 #ifndef ETH_CLKMODE
@@ -104,11 +107,11 @@ void EthernetEvent(arduino_event_t *event) {
         while (esp_netif_create_ip6_linklocal(get_esp_interface_netif(ESP_IF_ETH)) != ESP_OK) {
           delay(1);
           if (i-- == 0) {
-            AddLog(LOG_LEVEL_INFO, ">>>> HELP");
+            AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_ETH ">>>> HELP"));
             break;
           }
         }
-        AddLog(LOG_LEVEL_INFO, ">>>> ESP_IF_ETH i=%i", i);
+        AddLog(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_ETH "ESP_IF_ETH i=%i"), i);
       }
 #endif // USE_IPV6
       
@@ -183,12 +186,6 @@ void EthernetSetIp(void) {
 
 void EthernetInit(void) {
   if (!Settings->flag4.network_ethernet) { return; }
-  if (!PinUsed(GPIO_ETH_PHY_MDC) && !PinUsed(GPIO_ETH_PHY_MDIO)) {
-    AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_ETH "No ETH MDC and/or ETH MDIO GPIO defined"));
-    return;
-  }
-
-  eth_config_change = 0;
 
   if (WT32_ETH01 == TasmotaGlobal.module_type) {
     Settings->eth_address = 1;                    // EthAddress
@@ -196,45 +193,43 @@ void EthernetInit(void) {
     Settings->eth_clk_mode = ETH_CLOCK_GPIO0_IN;  // EthClockMode
   }
 
-//  snprintf_P(Eth.hostname, sizeof(Eth.hostname), PSTR("%s-eth"), TasmotaGlobal.hostname);
+  if (!PinUsed(GPIO_ETH_PHY_MDC) && !PinUsed(GPIO_ETH_PHY_MDIO)) {
+    if (Settings->eth_type < 7) {
+      // CONFIG_ETH_USE_ESP32_EMAC
+      AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_ETH "No ETH MDC and ETH MDIO GPIO defined"));
+    } else {
+      // CONFIG_ETH_SPI_ETHERNET
+      if (!PinUsed(GPIO_ETH_PHY_POWER)) {
+        AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_ETH "No ETH MDC (SPI CS), ETH MDIO (SPI IRQ) and ETH POWER (SPI RST) GPIO defined"));
+      }
+    }
+    return;
+  }
+
+  eth_config_change = 0;
+
   strlcpy(eth_hostname, TasmotaGlobal.hostname, sizeof(eth_hostname) -5);  // Make sure there is room for "-eth"
   strcat(eth_hostname, "-eth");
 
   WiFi.onEvent(EthernetEvent);
 
-  int eth_power = Pin(GPIO_ETH_PHY_POWER);
-  int eth_mdc = Pin(GPIO_ETH_PHY_MDC);
-  int eth_mdio = Pin(GPIO_ETH_PHY_MDIO);
-//#if CONFIG_IDF_TARGET_ESP32
-  // fix an disconnection issue after rebooting Olimex POE - this forces a clean state for all GPIO involved in RMII
-//  gpio_reset_pin((gpio_num_t)GPIO_ETH_PHY_POWER);
-//  gpio_reset_pin((gpio_num_t)GPIO_ETH_PHY_MDC);
-//  gpio_reset_pin((gpio_num_t)GPIO_ETH_PHY_MDIO);
-//  gpio_reset_pin(GPIO_NUM_19);    // EMAC_TXD0 - hardcoded
-//  gpio_reset_pin(GPIO_NUM_21);    // EMAC_TX_EN - hardcoded
-//  gpio_reset_pin(GPIO_NUM_22);    // EMAC_TXD1 - hardcoded
-//  gpio_reset_pin(GPIO_NUM_25);    // EMAC_RXD0 - hardcoded
-//  gpio_reset_pin(GPIO_NUM_26);    // EMAC_RXD1 - hardcoded
-//  gpio_reset_pin(GPIO_NUM_27);    // EMAC_RX_CRS_DV - hardcoded
-//  switch (Settings->eth_clk_mode) {
-//    case 0:   // ETH_CLOCK_GPIO0_IN
-//    case 1:   // ETH_CLOCK_GPIO0_OUT
-//      gpio_reset_pin(GPIO_NUM_0);
-//      break;
-//    case 2:   // ETH_CLOCK_GPIO16_OUT
-//      gpio_reset_pin(GPIO_NUM_16);
-//      break;
-//    case 3:   // ETH_CLOCK_GPIO17_OUT
-//      gpio_reset_pin(GPIO_NUM_17);
-//      break;
-//  }
-//  delay(1);
-//#endif // CONFIG_IDF_TARGET_ESP32
+  int eth_mdc = Pin(GPIO_ETH_PHY_MDC);       // Ethernet SPI CS (chip select)
+  int eth_mdio = Pin(GPIO_ETH_PHY_MDIO);     // Ethernet SPI IRQ
+  int eth_power = Pin(GPIO_ETH_PHY_POWER);   // Ethernet SPI RST
+
+  bool init_ok = false;
 #if ESP_IDF_VERSION_MAJOR >= 5
-  if (!ETH.begin( (eth_phy_type_t)Settings->eth_type, Settings->eth_address, eth_mdc, eth_mdio, eth_power, (eth_clock_mode_t)Settings->eth_clk_mode)) {
+  if (Settings->eth_type < 7) {
+    // CONFIG_ETH_USE_ESP32_EMAC
+    init_ok = (ETH.begin((eth_phy_type_t)Settings->eth_type, Settings->eth_address, eth_mdc, eth_mdio, eth_power, (eth_clock_mode_t)Settings->eth_clk_mode));
+  } else {
+    // CONFIG_ETH_SPI_ETHERNET
+    init_ok = (ETH.begin((eth_phy_type_t)Settings->eth_type, Settings->eth_address, eth_mdc, eth_mdio, eth_power, SPI, ETH_PHY_SPI_FREQ_MHZ));
+  }
 #else
-  if (!ETH.begin(Settings->eth_address, eth_power, eth_mdc, eth_mdio, (eth_phy_type_t)Settings->eth_type, (eth_clock_mode_t)Settings->eth_clk_mode)) {
+  init_ok = (ETH.begin(Settings->eth_address, eth_power, eth_mdc, eth_mdio, (eth_phy_type_t)Settings->eth_type, (eth_clock_mode_t)Settings->eth_clk_mode));
 #endif
+  if (!init_ok) {
     AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_ETH "Bad PHY type or init error"));
     return;
   };