Support DM9051 SPI ethernet device (#6861)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/ethernet/__init__.py

@@ -66,9 +66,10 @@ ETHERNET_TYPES = {
     "KSZ8081RNA": EthernetType.ETHERNET_TYPE_KSZ8081RNA,
     "W5500": EthernetType.ETHERNET_TYPE_W5500,
     "OPENETH": EthernetType.ETHERNET_TYPE_OPENETH,
+    "DM9051": EthernetType.ETHERNET_TYPE_DM9051,
 }
 
-SPI_ETHERNET_TYPES = ["W5500"]
+SPI_ETHERNET_TYPES = ["W5500", "DM9051"]
 SPI_ETHERNET_DEFAULT_POLLING_INTERVAL = TimePeriodMilliseconds(milliseconds=10)
 
 emac_rmii_clock_mode_t = cg.global_ns.enum("emac_rmii_clock_mode_t")
@@ -224,6 +225,7 @@ CONFIG_SCHEMA = cv.All(
             "KSZ8081RNA": RMII_SCHEMA,
             "W5500": SPI_SCHEMA,
             "OPENETH": BASE_SCHEMA,
+            "DM9051": SPI_SCHEMA,
         },
         upper=True,
     ),
@@ -278,7 +280,7 @@ async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
 
-    if config[CONF_TYPE] == "W5500":
+    if config[CONF_TYPE] in SPI_ETHERNET_TYPES:
         cg.add(var.set_clk_pin(config[CONF_CLK_PIN]))
         cg.add(var.set_miso_pin(config[CONF_MISO_PIN]))
         cg.add(var.set_mosi_pin(config[CONF_MOSI_PIN]))
@@ -296,7 +298,9 @@ async def to_code(config):
         cg.add_define("USE_ETHERNET_SPI")
         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)
+            add_idf_sdkconfig_option(
+                f"CONFIG_ETH_SPI_ETHERNET_{config[CONF_TYPE]}", True
+            )
     elif config[CONF_TYPE] == "OPENETH":
         cg.add_define("USE_ETHERNET_OPENETH")
         add_idf_sdkconfig_option("CONFIG_ETH_USE_OPENETH", True)

esphome/components/ethernet/ethernet_component.cpp

@@ -90,8 +90,8 @@ void EthernetComponent::setup() {
 
 #ifdef USE_ETHERNET_SPI  // Configure SPI interface and Ethernet driver for specific SPI module
   spi_device_interface_config_t devcfg = {
-      .command_bits = 16,  // Actually it's the address phase in W5500 SPI frame
-      .address_bits = 8,   // Actually it's the control phase in W5500 SPI frame
+      .command_bits = 0,
+      .address_bits = 0,
       .dummy_bits = 0,
       .mode = 0,
       .duty_cycle_pos = 0,
@@ -107,22 +107,43 @@ void EthernetComponent::setup() {
   };
 
 #if ESP_IDF_VERSION_MAJOR >= 5
+#if CONFIG_ETH_SPI_ETHERNET_W5500
   eth_w5500_config_t w5500_config = ETH_W5500_DEFAULT_CONFIG(host, &devcfg);
+#endif
+#if CONFIG_ETH_SPI_ETHERNET_DM9051
+  eth_dm9051_config_t dm9051_config = ETH_DM9051_DEFAULT_CONFIG(host, &devcfg);
+#endif
 #else
   spi_device_handle_t spi_handle = nullptr;
   err = spi_bus_add_device(host, &devcfg, &spi_handle);
   ESPHL_ERROR_CHECK(err, "SPI bus add device error");
 
+#if CONFIG_ETH_SPI_ETHERNET_W5500
   eth_w5500_config_t w5500_config = ETH_W5500_DEFAULT_CONFIG(spi_handle);
 #endif
+#if CONFIG_ETH_SPI_ETHERNET_DM9051
+  eth_dm9051_config_t dm9051_config = ETH_DM9051_DEFAULT_CONFIG(spi_handle);
+#endif
+#endif  // ESP_IDF_VERSION_MAJOR >= 5
+
+#if CONFIG_ETH_SPI_ETHERNET_W5500
   w5500_config.int_gpio_num = this->interrupt_pin_;
 #ifdef USE_ETHERNET_SPI_POLLING_SUPPORT
   w5500_config.poll_period_ms = this->polling_interval_;
 #endif
+#endif
+
+#if CONFIG_ETH_SPI_ETHERNET_DM9051
+  dm9051_config.int_gpio_num = this->interrupt_pin_;
+#ifdef USE_ETHERNET_SPI_POLLING_SUPPORT
+  dm9051_config.poll_period_ms = this->polling_interval_;
+#endif
+#endif
+
   phy_config.phy_addr = this->phy_addr_spi_;
   phy_config.reset_gpio_num = this->reset_pin_;
 
-  esp_eth_mac_t *mac = esp_eth_mac_new_w5500(&w5500_config, &mac_config);
+  esp_eth_mac_t *mac = nullptr;
 #elif defined(USE_ETHERNET_OPENETH)
   esp_eth_mac_t *mac = esp_eth_mac_new_openeth(&mac_config);
 #else
@@ -187,10 +208,20 @@ void EthernetComponent::setup() {
     }
 #endif
 #ifdef USE_ETHERNET_SPI
+#if CONFIG_ETH_SPI_ETHERNET_W5500
     case ETHERNET_TYPE_W5500: {
+      mac = esp_eth_mac_new_w5500(&w5500_config, &mac_config);
       this->phy_ = esp_eth_phy_new_w5500(&phy_config);
       break;
     }
+#endif
+#if CONFIG_ETH_SPI_ETHERNET_DM9051
+    case ETHERNET_TYPE_DM9051: {
+      mac = esp_eth_mac_new_dm9051(&dm9051_config, &mac_config);
+      this->phy_ = esp_eth_phy_new_dm9051(&phy_config);
+      break;
+    }
+#endif
 #endif
     default: {
       this->mark_failed();
@@ -321,6 +352,10 @@ void EthernetComponent::dump_config() {
       eth_type = "OPENETH";
       break;
 
+    case ETHERNET_TYPE_DM9051:
+      eth_type = "DM9051";
+      break;
+
     default:
       eth_type = "Unknown";
       break;

esphome/components/ethernet/ethernet_component.h

@@ -26,6 +26,7 @@ enum EthernetType : uint8_t {
   ETHERNET_TYPE_KSZ8081RNA,
   ETHERNET_TYPE_W5500,
   ETHERNET_TYPE_OPENETH,
+  ETHERNET_TYPE_DM9051,
 };
 
 struct ManualIP {