From 58b4bb044798ac84f68471a766f3916cd546b713 Mon Sep 17 00:00:00 2001
From: andreibodrov <ap.bodrov@gmail.com>
Date: Sun, 30 Jun 2024 23:59:37 +0300
Subject: [PATCH] openeth

---
 esphome/components/ethernet/__init__.py        |  5 +++++
 .../components/ethernet/ethernet_component.cpp | 18 +++++++++++++++++-
 .../components/ethernet/ethernet_component.h   |  1 +
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/esphome/components/ethernet/__init__.py b/esphome/components/ethernet/__init__.py
index 697436415b..db4ca65d28 100644
--- a/esphome/components/ethernet/__init__.py
+++ b/esphome/components/ethernet/__init__.py
@@ -59,6 +59,7 @@ ETHERNET_TYPES = {
     "KSZ8081": EthernetType.ETHERNET_TYPE_KSZ8081,
     "KSZ8081RNA": EthernetType.ETHERNET_TYPE_KSZ8081RNA,
     "W5500": EthernetType.ETHERNET_TYPE_W5500,
+    "OPENETH": EthernetType.ETHERNET_TYPE_OPENETH,
 }
 
 SPI_ETHERNET_TYPES = ["W5500"]
@@ -171,6 +172,7 @@ CONFIG_SCHEMA = cv.All(
             "KSZ8081": RMII_SCHEMA,
             "KSZ8081RNA": RMII_SCHEMA,
             "W5500": SPI_SCHEMA,
+            "OPENETH": BASE_SCHEMA,
         },
         upper=True,
     ),
@@ -240,6 +242,9 @@ async def to_code(config):
         if CORE.using_esp_idf:
             add_idf_sdkconfig_option("CONFIG_ETH_USE_SPI_ETHERNET", True)
             add_idf_sdkconfig_option("CONFIG_ETH_SPI_ETHERNET_W5500", True)
+    elif config[CONF_TYPE] == "OPENETH":
+        cg.add_define("USE_ETHERNET_OPENETH")
+        add_idf_sdkconfig_option("CONFIG_ETH_USE_OPENETH", True)
     else:
         cg.add(var.set_phy_addr(config[CONF_PHY_ADDR]))
         cg.add(var.set_mdc_pin(config[CONF_MDC_PIN]))
diff --git a/esphome/components/ethernet/ethernet_component.cpp b/esphome/components/ethernet/ethernet_component.cpp
index 7370cb4b44..36148dc4ba 100644
--- a/esphome/components/ethernet/ethernet_component.cpp
+++ b/esphome/components/ethernet/ethernet_component.cpp
@@ -119,6 +119,8 @@ void EthernetComponent::setup() {
   phy_config.reset_gpio_num = this->reset_pin_;
 
   esp_eth_mac_t *mac = esp_eth_mac_new_w5500(&w5500_config, &mac_config);
+#elif defined(USE_ETHERNET_OPENETH)
+  esp_eth_mac_t *mac = esp_eth_mac_new_openeth(&mac_config);
 #else
   phy_config.phy_addr = this->phy_addr_;
   phy_config.reset_gpio_num = this->power_pin_;
@@ -130,7 +132,8 @@ void EthernetComponent::setup() {
   esp32_emac_config.clock_config.rmii.clock_mode = this->clk_mode_;
   esp32_emac_config.clock_config.rmii.clock_gpio = this->clk_gpio_;
 
-  esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&esp32_emac_config, &mac_config);
+  esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&mac_config);
+
 #else
   mac_config.smi_mdc_gpio_num = this->mdc_pin_;
   mac_config.smi_mdio_gpio_num = this->mdio_pin_;
@@ -138,10 +141,19 @@ void EthernetComponent::setup() {
   mac_config.clock_config.rmii.clock_gpio = this->clk_gpio_;
 
   esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&mac_config);
+
 #endif
+
 #endif
 
   switch (this->type_) {
+#ifdef USE_ETHERNET_OPENETH
+    case ETHERNET_TYPE_OPENETH: {
+      phy_config.autonego_timeout_ms = 1000;
+      this->phy_ = esp_eth_phy_new_dp83848(&phy_config);
+      break;
+    }
+#endif
 #if CONFIG_ETH_USE_ESP32_EMAC
     case ETHERNET_TYPE_LAN8720: {
       this->phy_ = esp_eth_phy_new_lan87xx(&phy_config);
@@ -301,6 +313,10 @@ void EthernetComponent::dump_config() {
       eth_type = "W5500";
       break;
 
+    case ETHERNET_TYPE_OPENETH:
+      eth_type = "OPENETH";
+      break;
+
     default:
       eth_type = "Unknown";
       break;
diff --git a/esphome/components/ethernet/ethernet_component.h b/esphome/components/ethernet/ethernet_component.h
index f0fe6cab87..5ee430c046 100644
--- a/esphome/components/ethernet/ethernet_component.h
+++ b/esphome/components/ethernet/ethernet_component.h
@@ -25,6 +25,7 @@ enum EthernetType {
   ETHERNET_TYPE_KSZ8081,
   ETHERNET_TYPE_KSZ8081RNA,
   ETHERNET_TYPE_W5500,
+  ETHERNET_TYPE_OPENETH,
 };
 
 struct ManualIP {