diff --git a/CODEOWNERS b/CODEOWNERS
index ae0f1b4..fad3a13 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -288,6 +288,7 @@
 /drivers/ethernet/*adin2111*              @GeorgeCGV
 /drivers/ethernet/phy/                    @rlubos @tbursztyka @arvinf
 /drivers/mdio/                            @rlubos @tbursztyka @arvinf
+/drivers/mdio/*adin2111*                  @GeorgeCGV
 /drivers/flash/                           @nashif @de-nordic
 /drivers/flash/*stm32_qspi*               @lmajewski
 /drivers/flash/*b91*                      @andy-liu-telink
diff --git a/drivers/mdio/CMakeLists.txt b/drivers/mdio/CMakeLists.txt
index bb93928..7fc03a8 100644
--- a/drivers/mdio/CMakeLists.txt
+++ b/drivers/mdio/CMakeLists.txt
@@ -6,3 +6,4 @@
 zephyr_library_sources_ifdef(CONFIG_MDIO_ATMEL_SAM	mdio_sam.c)
 zephyr_library_sources_ifdef(CONFIG_MDIO_ESP32		mdio_esp32.c)
 zephyr_library_sources_ifdef(CONFIG_MDIO_NXP_S32_NETC	mdio_nxp_s32_netc.c)
+zephyr_library_sources_ifdef(CONFIG_MDIO_ADIN2111	mdio_adin2111.c)
diff --git a/drivers/mdio/Kconfig b/drivers/mdio/Kconfig
index 4fa8b9d..0f2d3b8 100644
--- a/drivers/mdio/Kconfig
+++ b/drivers/mdio/Kconfig
@@ -28,6 +28,7 @@
 source "drivers/mdio/Kconfig.esp32"
 source "drivers/mdio/Kconfig.sam"
 source "drivers/mdio/Kconfig.nxp_s32"
+source "drivers/mdio/Kconfig.adin2111"
 
 config MDIO_INIT_PRIORITY
 	int "Init priority"
diff --git a/drivers/mdio/Kconfig.adin2111 b/drivers/mdio/Kconfig.adin2111
new file mode 100644
index 0000000..778bbbc
--- /dev/null
+++ b/drivers/mdio/Kconfig.adin2111
@@ -0,0 +1,10 @@
+# Copyright 2023 PHOENIX CONTACT Electronics GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+config MDIO_ADIN2111
+	bool "NXP S32 NETC External MDIO driver"
+	default y
+	depends on DT_HAS_ADI_ADIN2111_MDIO_ENABLED
+	depends on ETH_ADIN2111
+	help
+	  Enable ADIN2111 MDIO driver.
diff --git a/drivers/mdio/mdio_adin2111.c b/drivers/mdio/mdio_adin2111.c
new file mode 100644
index 0000000..39d994c
--- /dev/null
+++ b/drivers/mdio/mdio_adin2111.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2023 PHOENIX CONTACT Electronics GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/logging/log.h>
+LOG_MODULE_REGISTER(mdio_adin2111, CONFIG_MDIO_LOG_LEVEL);
+
+#define DT_DRV_COMPAT adi_adin2111_mdio
+
+#include <stdint.h>
+#include <errno.h>
+#include <zephyr/device.h>
+#include <zephyr/kernel.h>
+#include <zephyr/drivers/mdio.h>
+#include <zephyr/drivers/mdio/mdio_adin2111.h>
+#include <zephyr/drivers/ethernet/eth_adin2111.h>
+
+/* MDIO ready check retry delay */
+#define ADIN2111_MDIO_READY_AWAIT_DELAY_POLL_US		5U
+/* Number of retries for MDIO ready check */
+#define ADIN2111_MDIO_READY_AWAIT_RETRY_COUNT		10U
+
+/* MDIO Access Register 1 */
+#define ADIN2111_MDIOACC0				0x20U
+/* MDIO Access Register 2 */
+#define ADIN2111_MDIOACC1				0x21U
+
+/* MDIO MDIOACC Transaction Done */
+#define ADIN211_MDIOACC_MDIO_TRDONE			BIT(31)
+
+struct mdio_adin2111_config {
+	const struct device *adin;
+};
+
+static int mdio_adin2111_wait_ready(const struct device *dev, uint16_t reg,
+				    uint32_t *out)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+	uint32_t count;
+	int ret;
+
+	for (count = 0U; count < ADIN2111_MDIO_READY_AWAIT_RETRY_COUNT; ++count) {
+		ret = eth_adin2111_reg_read(cfg->adin, reg, out);
+		if (ret >= 0) {
+			if ((*out) & ADIN211_MDIOACC_MDIO_TRDONE) {
+				break;
+			}
+			ret = -ETIMEDOUT;
+		}
+		k_sleep(K_USEC(ADIN2111_MDIO_READY_AWAIT_DELAY_POLL_US));
+	}
+
+	return ret;
+}
+
+
+int adin2111_mdio_c45_read(const struct device *dev, uint8_t prtad,
+			   uint8_t devad, uint16_t regad,
+			   uint16_t *data)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+	uint32_t rdy;
+	uint32_t cmd;
+	int ret;
+
+	/* address op */
+	cmd = (prtad & 0x1FU) << 21;
+	cmd |= (devad & 0x1FU) << 16;
+	cmd |= regad;
+
+	ret = eth_adin2111_reg_write(cfg->adin, ADIN2111_MDIOACC0, cmd);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/* read op */
+	cmd = (cmd & ~UINT16_MAX) | (0x3U << 26);
+
+	ret = eth_adin2111_reg_write(cfg->adin, ADIN2111_MDIOACC1, cmd);
+	if (ret < 0) {
+		return ret;
+	}
+
+	ret = mdio_adin2111_wait_ready(dev, ADIN2111_MDIOACC1, &rdy);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/* read out */
+	ret = eth_adin2111_reg_read(cfg->adin, ADIN2111_MDIOACC1, &cmd);
+
+	*data = cmd & UINT16_MAX;
+
+	return ret;
+}
+
+int adin2111_mdio_c45_write(const struct device *dev, uint8_t prtad,
+			    uint8_t devad, uint16_t regad,
+			    uint16_t data)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+
+	uint32_t rdy;
+	uint32_t cmd;
+	int ret;
+
+	/* address op */
+	cmd = (prtad & 0x1FU) << 21;
+	cmd |= (devad & 0x1FU) << 16;
+	cmd |= regad;
+
+	ret = eth_adin2111_reg_write(cfg->adin, ADIN2111_MDIOACC0, cmd);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/* write op */
+	cmd |= BIT(26);
+	cmd = (cmd & ~UINT16_MAX) | data;
+
+	ret = eth_adin2111_reg_write(cfg->adin, ADIN2111_MDIOACC1, cmd);
+	if (ret < 0) {
+		return ret;
+	}
+
+	ret = mdio_adin2111_wait_ready(dev, ADIN2111_MDIOACC1, &rdy);
+
+	return ret;
+}
+
+static int mdio_adin2111_read(const struct device *dev, uint8_t prtad,
+			      uint8_t devad, uint16_t *data)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+	uint32_t read;
+	uint32_t cmd;
+	int ret;
+
+	cmd = BIT(28);
+	cmd |= 0x3U << 26;
+	cmd |= (prtad & 0x1FU) << 21;
+	cmd |= (devad & 0x1FU) << 16;
+
+	ret = eth_adin2111_reg_write(cfg->adin, ADIN2111_MDIOACC0, cmd);
+	if (ret >= 0) {
+		ret = mdio_adin2111_wait_ready(dev, ADIN2111_MDIOACC0, &read);
+		*data = read & UINT16_MAX;
+	}
+
+	return ret;
+}
+
+static int mdio_adin2111_write(const struct device *dev, uint8_t prtad,
+			       uint8_t devad, uint16_t data)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+	uint32_t cmd;
+	uint32_t rdy;
+	int ret;
+
+	cmd = BIT(28);
+	cmd |= BIT(26);
+	cmd |= (prtad & 0x1FU) << 21;
+	cmd |= (devad & 0x1FU) << 16;
+	cmd |= data;
+
+	ret = eth_adin2111_reg_write(cfg->adin, ADIN2111_MDIOACC0, cmd);
+	if (ret >= 0) {
+		ret = mdio_adin2111_wait_ready(dev, ADIN2111_MDIOACC0, &rdy);
+	}
+
+	return ret;
+}
+
+static void mdio_adin2111_bus_enable(const struct device *dev)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+
+	eth_adin2111_lock(cfg->adin, K_FOREVER);
+}
+
+static void mdio_adin2111_bus_disable(const struct device *dev)
+{
+	const struct mdio_adin2111_config *const cfg = dev->config;
+
+	eth_adin2111_unlock(cfg->adin);
+}
+
+static const struct mdio_driver_api mdio_adin2111_api = {
+	.read = mdio_adin2111_read,
+	.write = mdio_adin2111_write,
+	.bus_enable = mdio_adin2111_bus_enable,
+	.bus_disable = mdio_adin2111_bus_disable
+};
+
+#define ADIN2111_MDIO_INIT(n)							\
+	static const struct mdio_adin2111_config mdio_adin2111_config_##n = {	\
+		.adin = DEVICE_DT_GET(DT_INST_BUS(n)),				\
+	};									\
+	DEVICE_DT_INST_DEFINE(n, NULL, NULL,					\
+			      NULL, &mdio_adin2111_config_##n,			\
+			      POST_KERNEL, CONFIG_MDIO_INIT_PRIORITY,		\
+			      &mdio_adin2111_api);
+
+DT_INST_FOREACH_STATUS_OKAY(ADIN2111_MDIO_INIT)
diff --git a/dts/bindings/mdio/adi,adin2111-mdio.yaml b/dts/bindings/mdio/adi,adin2111-mdio.yaml
new file mode 100644
index 0000000..ab20d5c
--- /dev/null
+++ b/dts/bindings/mdio/adi,adin2111-mdio.yaml
@@ -0,0 +1,19 @@
+# Copyright (c) 2023 PHOENIX CONTACT Electronics GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+description: ADIN2111 MDIO Driver node
+
+compatible: "adi,adin2111-mdio"
+
+include: mdio-controller.yaml
+
+on-bus: adin2111
+
+properties:
+  "#address-cells":
+    required: true
+    const: 1
+
+  "#size-cells":
+    required: true
+    const: 0
diff --git a/include/zephyr/drivers/mdio/mdio_adin2111.h b/include/zephyr/drivers/mdio/mdio_adin2111.h
new file mode 100644
index 0000000..bf97186
--- /dev/null
+++ b/include/zephyr/drivers/mdio/mdio_adin2111.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2023 PHOENIX CONTACT Electronics GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_INCLUDE_DRIVERS_MDIO_ADIN2111_H__
+#define ZEPHYR_INCLUDE_DRIVERS_MDIO_ADIN2111_H__
+
+#include <stdint.h>
+#include <zephyr/device.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Read from MDIO Bus using Clause 45 access
+ *
+ * @note The caller is responsible for device lock.
+ *       Shall not be called from ISR.
+ *
+ * @param[in] dev MDIO device.
+ * @param[in] prtad Port address.
+ * @param[in] devad Device address.
+ * @param[in] regad Register address.
+ * @param[out] data Pointer to receive read data.
+ *
+ * @retval 0 If successful.
+ * @retval -EIO General input / output error.
+ * @retval -ETIMEDOUT If transaction timedout on the bus.
+ * @retval <0 Error, a negative errno code.
+ */
+int adin2111_mdio_c45_read(const struct device *dev, uint8_t prtad,
+			   uint8_t devad, uint16_t regad, uint16_t *data);
+
+/**
+ * @brief Write to MDIO bus using Clause 45 access
+ *
+ * @note The caller is responsible for device lock.
+ *       Shall not be called from ISR.
+ *
+ * @param[in] dev MDIO device.
+ * @param[in] prtad Port address.
+ * @param[in] devad Device address.
+ * @param[in] regad Register address.
+ * @param[in] data Data to write.
+ *
+ * @retval 0 If successful.
+ * @retval -EIO General input / output error.
+ * @retval -ETIMEDOUT If transaction timedout on the bus.
+ * @retval <0 Error, a negative errno code.
+ */
+int adin2111_mdio_c45_write(const struct device *dev, uint8_t prtad,
+			    uint8_t devad, uint16_t regad, uint16_t data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ZEPHYR_INCLUDE_DRIVERS_MDIO_ADIN2111_H__ */