diff --git a/subsys/modbus/modbus_core.c b/subsys/modbus/modbus_core.c
index c1a89788fe2..78b1ceebe7d 100644
--- a/subsys/modbus/modbus_core.c
+++ b/subsys/modbus/modbus_core.c
@@ -15,29 +15,29 @@ LOG_MODULE_REGISTER(modbus, CONFIG_MODBUS_LOG_LEVEL);
 
 #define DT_DRV_COMPAT zephyr_modbus_serial
 
-#define MB_RTU_DEFINE_GPIO_CFG(n, d)				\
-	static struct mb_rtu_gpio_config d##_cfg_##n = {	\
-		.name = DT_INST_GPIO_LABEL(n, d),		\
-		.pin = DT_INST_GPIO_PIN(n, d),			\
-		.flags = DT_INST_GPIO_FLAGS(n,  d),		\
+#define MB_RTU_DEFINE_GPIO_CFG(inst, prop)				\
+	static struct gpio_dt_spec prop##_cfg_##inst = {		\
+		.port = DEVICE_DT_GET(DT_INST_PHANDLE(inst, prop)),	\
+		.pin = DT_INST_GPIO_PIN(inst, prop),			\
+		.dt_flags = DT_INST_GPIO_FLAGS(inst,  prop),		\
 	};
 
-#define MB_RTU_DEFINE_GPIO_CFGS(n)				\
-	COND_CODE_1(DT_INST_NODE_HAS_PROP(n, de_gpios),		\
-		    (MB_RTU_DEFINE_GPIO_CFG(n, de_gpios)), ())	\
-	COND_CODE_1(DT_INST_NODE_HAS_PROP(n, re_gpios),		\
-		    (MB_RTU_DEFINE_GPIO_CFG(n, re_gpios)), ())
+#define MB_RTU_DEFINE_GPIO_CFGS(inst)					\
+	COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, de_gpios),		\
+		    (MB_RTU_DEFINE_GPIO_CFG(inst, de_gpios)), ())	\
+	COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, re_gpios),		\
+		    (MB_RTU_DEFINE_GPIO_CFG(inst, re_gpios)), ())
 
 DT_INST_FOREACH_STATUS_OKAY(MB_RTU_DEFINE_GPIO_CFGS)
 
-#define MB_RTU_ASSIGN_GPIO_CFG(n, d)				\
-	COND_CODE_1(DT_INST_NODE_HAS_PROP(n, d),		\
-		    (&d##_cfg_##n), (NULL))
+#define MB_RTU_ASSIGN_GPIO_CFG(inst, prop)			\
+	COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, prop),		\
+		    (&prop##_cfg_##inst), (NULL))
 
-#define MODBUS_DT_GET_SERIAL_DEV(n) {				\
-		.dev_name = DT_INST_BUS_LABEL(n),		\
-		.de = MB_RTU_ASSIGN_GPIO_CFG(n, de_gpios),	\
-		.re = MB_RTU_ASSIGN_GPIO_CFG(n, re_gpios),	\
+#define MODBUS_DT_GET_SERIAL_DEV(inst) {			\
+		.dev_name = DT_INST_BUS_LABEL(inst),		\
+		.de = MB_RTU_ASSIGN_GPIO_CFG(inst, de_gpios),	\
+		.re = MB_RTU_ASSIGN_GPIO_CFG(inst, re_gpios),	\
 	},
 
 #ifdef CONFIG_MODBUS_SERIAL
@@ -46,9 +46,9 @@ static struct modbus_serial_config modbus_serial_cfg[] = {
 };
 #endif
 
-#define MODBUS_DT_GET_DEV(n) {					\
-		.iface_name = DT_INST_LABEL(n),			\
-		.cfg = &modbus_serial_cfg[n],			\
+#define MODBUS_DT_GET_DEV(inst) {				\
+		.iface_name = DT_INST_LABEL(inst),		\
+		.cfg = &modbus_serial_cfg[inst],		\
 	},
 
 #define DEFINE_MODBUS_RAW_ADU(x, _) {				\
diff --git a/subsys/modbus/modbus_internal.h b/subsys/modbus/modbus_internal.h
index c6979934cb7..a916d21f38c 100644
--- a/subsys/modbus/modbus_internal.h
+++ b/subsys/modbus/modbus_internal.h
@@ -80,13 +80,6 @@
 /* Modbus ADU constants */
 #define MODBUS_ADU_PROTO_ID			0x0000
 
-struct mb_rtu_gpio_config {
-	const char *name;
-	const struct device *dev;
-	gpio_pin_t pin;
-	gpio_dt_flags_t flags;
-};
-
 struct modbus_serial_config {
 	/* UART device name */
 	const char *dev_name;
@@ -97,9 +90,9 @@ struct modbus_serial_config {
 	/* Pointer to current position in buffer */
 	uint8_t *uart_buf_ptr;
 	/* Pointer to driver enable (DE) pin config */
-	struct mb_rtu_gpio_config *de;
+	struct gpio_dt_spec *de;
 	/* Pointer to receiver enable (nRE) pin config */
-	struct mb_rtu_gpio_config *re;
+	struct gpio_dt_spec *re;
 	/* RTU timer to detect frame end point */
 	struct k_timer rtu_timer;
 	/* Number of bytes received or to send */
diff --git a/subsys/modbus/modbus_serial.c b/subsys/modbus/modbus_serial.c
index f713ec27e56..5e748b08beb 100644
--- a/subsys/modbus/modbus_serial.c
+++ b/subsys/modbus/modbus_serial.c
@@ -33,7 +33,7 @@ static void modbus_serial_tx_on(struct modbus_context *ctx)
 	struct modbus_serial_config *cfg = ctx->cfg;
 
 	if (cfg->de != NULL) {
-		gpio_pin_set(cfg->de->dev, cfg->de->pin, 1);
+		gpio_pin_set(cfg->de->port, cfg->de->pin, 1);
 	}
 
 	uart_irq_tx_enable(cfg->dev);
@@ -45,7 +45,7 @@ static void modbus_serial_tx_off(struct modbus_context *ctx)
 
 	uart_irq_tx_disable(cfg->dev);
 	if (cfg->de != NULL) {
-		gpio_pin_set(cfg->de->dev, cfg->de->pin, 0);
+		gpio_pin_set(cfg->de->port, cfg->de->pin, 0);
 	}
 }
 
@@ -54,7 +54,7 @@ static void modbus_serial_rx_on(struct modbus_context *ctx)
 	struct modbus_serial_config *cfg = ctx->cfg;
 
 	if (cfg->re != NULL) {
-		gpio_pin_set(cfg->re->dev, cfg->re->pin, 1);
+		gpio_pin_set(cfg->re->port, cfg->re->pin, 1);
 	}
 
 	uart_irq_rx_enable(cfg->dev);
@@ -66,7 +66,7 @@ static void modbus_serial_rx_off(struct modbus_context *ctx)
 
 	uart_irq_rx_disable(cfg->dev);
 	if (cfg->re != NULL) {
-		gpio_pin_set(cfg->re->dev, cfg->re->pin, 0);
+		gpio_pin_set(cfg->re->port, cfg->re->pin, 0);
 	}
 }
 
@@ -443,26 +443,22 @@ static int configure_gpio(struct modbus_context *ctx)
 	struct modbus_serial_config *cfg = ctx->cfg;
 
 	if (cfg->de != NULL) {
-		cfg->de->dev = device_get_binding(cfg->de->name);
-		if (cfg->de->dev == NULL) {
+		if (!device_is_ready(cfg->de->port)) {
 			return -ENODEV;
 		}
 
-		if (gpio_pin_configure(cfg->de->dev, cfg->de->pin,
-				       GPIO_OUTPUT_INACTIVE | cfg->de->flags)) {
+		if (gpio_pin_configure_dt(cfg->de, GPIO_OUTPUT_INACTIVE)) {
 			return -EIO;
 		}
 	}
 
 
 	if (cfg->re != NULL) {
-		cfg->re->dev = device_get_binding(cfg->re->name);
-		if (cfg->re->dev == NULL) {
+		if (!device_is_ready(cfg->re->port)) {
 			return -ENODEV;
 		}
 
-		if (gpio_pin_configure(cfg->re->dev, cfg->re->pin,
-				       GPIO_OUTPUT_INACTIVE | cfg->re->flags)) {
+		if (gpio_pin_configure_dt(cfg->re, GPIO_OUTPUT_INACTIVE)) {
 			return -EIO;
 		}
 	}