From 391ffe34f87158a0b308634018be3a03ac33814a Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Fri, 20 Mar 2026 15:01:11 -1000
Subject: [PATCH] [rp2040] Fix get_mac_address_raw to use ethernet MAC when
 WiFi unavailable (#15033)

---
 esphome/components/rp2040/helpers.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/esphome/components/rp2040/helpers.cpp b/esphome/components/rp2040/helpers.cpp
index ad69192af97..e360b45ebbb 100644
--- a/esphome/components/rp2040/helpers.cpp
+++ b/esphome/components/rp2040/helpers.cpp
@@ -10,6 +10,7 @@
 #include <pico/cyw43_arch.h>  // For cyw43_arch_lwip_begin/end (LwIPLock)
 #elif defined(USE_ETHERNET)
 #include <LwipEthernet.h>  // For ethernet_arch_lwip_begin/end (LwIPLock)
+#include "esphome/components/ethernet/ethernet_component.h"
 #endif
 #include <hardware/structs/rosc.h>
 #include <hardware/sync.h>
@@ -71,6 +72,8 @@ LwIPLock::~LwIPLock() {}
 void get_mac_address_raw(uint8_t *mac) {  // NOLINT(readability-non-const-parameter)
 #ifdef USE_WIFI
   WiFi.macAddress(mac);
+#elif defined(USE_ETHERNET)
+  ethernet::global_eth_component->get_eth_mac_address_raw(mac);
 #endif
 }