diff --git a/boards/arm/efm32hg_slstk3400a/efm32hg_slstk3400a.dts b/boards/arm/efm32hg_slstk3400a/efm32hg_slstk3400a.dts
index 4e0aca3b86d74..057d29a0ebeec 100644
--- a/boards/arm/efm32hg_slstk3400a/efm32hg_slstk3400a.dts
+++ b/boards/arm/efm32hg_slstk3400a/efm32hg_slstk3400a.dts
@@ -23,7 +23,6 @@
 		led1 = &led1;
 		sw0 = &button0;
 		sw1 = &button1;
-		usart-1 = &usart1;
 	};
 
 	leds {
diff --git a/boards/arm/efm32pg_stk3402a/efm32pg_stk3402a.dts b/boards/arm/efm32pg_stk3402a/efm32pg_stk3402a.dts
index 5c37537ed26ec..61af0eeb55a71 100644
--- a/boards/arm/efm32pg_stk3402a/efm32pg_stk3402a.dts
+++ b/boards/arm/efm32pg_stk3402a/efm32pg_stk3402a.dts
@@ -19,9 +19,6 @@
 
 	/* These aliases are provided for compatibility with samples */
 	aliases {
-		i2c-0  = &i2c0;
-		usart-0 = &usart0;
-		leuart-0 = &leuart0;
 		led0 = &led0;
 		led1 = &led1;
 		sw0 = &button0;
diff --git a/boards/arm/efm32wg_stk3800/efm32wg_stk3800.dts b/boards/arm/efm32wg_stk3800/efm32wg_stk3800.dts
index def1112f14ff9..d0dfc4209781e 100644
--- a/boards/arm/efm32wg_stk3800/efm32wg_stk3800.dts
+++ b/boards/arm/efm32wg_stk3800/efm32wg_stk3800.dts
@@ -11,10 +11,6 @@
 	model = "Silicon Labs EFM32WG STK3800 board";
 	compatible = "silabs,efm32wg_stk3800", "silabs,efm32wg";
 
-	aliases {
-		uart-0 = &uart0;
-	};
-
 	chosen {
 		zephyr,console = &uart0;
 		zephyr,sram = &sram0;
diff --git a/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts b/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
index 49efe7ee4f94e..86f9a9e576852 100644
--- a/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
+++ b/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
@@ -11,10 +11,6 @@
 	model = "Silicon Labs EFR32 SLWSTK6061A board";
 	compatible = "silabs,efr32_slwstk6061a", "silabs,efr32fg1p";
 
-	aliases {
-		usart-0 = &usart0;
-	};
-
 	chosen {
 		zephyr,console = &usart0;
 		zephyr,sram = &sram0;
diff --git a/boards/arm/efr32mg_sltb004a/efr32mg_sltb004a.dts b/boards/arm/efr32mg_sltb004a/efr32mg_sltb004a.dts
index 554a02e2e491f..c66139c3359ab 100644
--- a/boards/arm/efr32mg_sltb004a/efr32mg_sltb004a.dts
+++ b/boards/arm/efr32mg_sltb004a/efr32mg_sltb004a.dts
@@ -12,10 +12,6 @@
 	compatible = "silabs,efr32mg_sltb004a", "silabs,efr32mg";
 
 	aliases {
-		i2c-0  = &i2c0;
-		i2c-1  = &i2c1;
-		usart-0 = &usart0;
-		leuart-0 = &leuart0;
 		led0 = &led0;
 		led1 = &led1;
 		sw0 = &button0;
diff --git a/drivers/i2c/i2c_gecko.c b/drivers/i2c/i2c_gecko.c
index 3f182bb87e100..4947c5a57699d 100644
--- a/drivers/i2c/i2c_gecko.c
+++ b/drivers/i2c/i2c_gecko.c
@@ -180,38 +180,38 @@ static const struct i2c_driver_api i2c_gecko_driver_api = {
 
 #ifdef CONFIG_I2C_0
 static struct i2c_gecko_config i2c_gecko_config_0 = {
-	.base = (I2C_TypeDef *)DT_I2C_GECKO_0_BASE_ADDRESS,
+	.base = (I2C_TypeDef *)DT_SILABS_GECKO_I2C_I2C_0_BASE_ADDRESS,
 	.clock = cmuClock_I2C0,
 	.i2cInit = I2C_INIT_DEFAULT,
 	.pin_sda = PIN_I2C0_SDA,
 	.pin_scl = PIN_I2C0_SCL,
-	.loc = DT_I2C_GECKO_0_LOCATION,
-	.bitrate = DT_I2C_GECKO_0_CLOCK_FREQUENCY,
+	.loc = DT_SILABS_GECKO_I2C_I2C_0_LOCATION,
+	.bitrate = DT_SILABS_GECKO_I2C_I2C_0_CLOCK_FREQUENCY,
 };
 
 static struct i2c_gecko_data i2c_gecko_data_0;
 
-DEVICE_AND_API_INIT(i2c_gecko_0, DT_I2C_GECKO_0_LABEL, &i2c_gecko_init,
-			&i2c_gecko_data_0, &i2c_gecko_config_0,
-			POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
-			&i2c_gecko_driver_api);
+DEVICE_AND_API_INIT(i2c_gecko_0, DT_SILABS_GECKO_I2C_I2C_0_LABEL,
+		    &i2c_gecko_init, &i2c_gecko_data_0, &i2c_gecko_config_0,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
+		    &i2c_gecko_driver_api);
 #endif /* CONFIG_I2C_0 */
 
 #ifdef CONFIG_I2C_1
 static struct i2c_gecko_config i2c_gecko_config_1 = {
-	.base = (I2C_TypeDef *)DT_I2C_GECKO_1_BASE_ADDRESS,
+	.base = (I2C_TypeDef *)DT_SILABS_GECKO_I2C_I2C_1_BASE_ADDRESS,
 	.clock = cmuClock_I2C1,
 	.i2cInit = I2C_INIT_DEFAULT,
 	.pin_sda = PIN_I2C1_SDA,
 	.pin_scl = PIN_I2C1_SCL,
-	.loc = DT_I2C_GECKO_1_LOCATION,
-	.bitrate = DT_I2C_GECKO_1_CLOCK_FREQUENCY,
+	.loc = DT_SILABS_GECKO_I2C_I2C_1_LOCATION,
+	.bitrate = DT_SILABS_GECKO_I2C_I2C_1_CLOCK_FREQUENCY,
 };
 
 static struct i2c_gecko_data i2c_gecko_data_1;
 
-DEVICE_AND_API_INIT(i2c_gecko_1, DT_I2C_GECKO_1_LABEL, &i2c_gecko_init,
-			&i2c_gecko_data_1, &i2c_gecko_config_1,
-			POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
-			&i2c_gecko_driver_api);
+DEVICE_AND_API_INIT(i2c_gecko_1, DT_SILABS_GECKO_I2C_I2C_1_LABEL,
+		    &i2c_gecko_init, &i2c_gecko_data_1, &i2c_gecko_config_1,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
+		    &i2c_gecko_driver_api);
 #endif /* CONFIG_I2C_1 */
diff --git a/drivers/serial/leuart_gecko.c b/drivers/serial/leuart_gecko.c
index aedac6971473a..015b111cf507b 100644
--- a/drivers/serial/leuart_gecko.c
+++ b/drivers/serial/leuart_gecko.c
@@ -318,12 +318,12 @@ static void leuart_gecko_config_func_0(struct device *dev);
 #endif
 
 static const struct leuart_gecko_config leuart_gecko_0_config = {
-	.base = (LEUART_TypeDef *)DT_LEUART_GECKO_0_BASE_ADDRESS,
+	.base = (LEUART_TypeDef *)DT_SILABS_GECKO_LEUART_LEUART_0_BASE_ADDRESS,
 	.clock = cmuClock_LEUART0,
-	.baud_rate = DT_LEUART_GECKO_0_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_LEUART_LEUART_0_CURRENT_SPEED,
 	.pin_rx = PIN_LEUART0_RXD,
 	.pin_tx = PIN_LEUART0_TXD,
-	.loc = DT_LEUART_GECKO_0_LOCATION,
+	.loc = DT_SILABS_GECKO_LEUART_LEUART_0_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = leuart_gecko_config_func_0,
 #endif
@@ -331,19 +331,20 @@ static const struct leuart_gecko_config leuart_gecko_0_config = {
 
 static struct leuart_gecko_data leuart_gecko_0_data;
 
-DEVICE_AND_API_INIT(leuart_0, DT_LEUART_GECKO_0_LABEL, &leuart_gecko_init,
-		    &leuart_gecko_0_data, &leuart_gecko_0_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(leuart_0, DT_SILABS_GECKO_LEUART_LEUART_0_LABEL,
+		    &leuart_gecko_init, &leuart_gecko_0_data,
+		    &leuart_gecko_0_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    &leuart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void leuart_gecko_config_func_0(struct device *dev)
 {
-	IRQ_CONNECT(DT_LEUART_GECKO_0_IRQ,
-		    DT_LEUART_GECKO_0_IRQ_PRIORITY, leuart_gecko_isr,
-		    DEVICE_GET(leuart_0), 0);
+	IRQ_CONNECT(DT_SILABS_GECKO_LEUART_LEUART_0_IRQ,
+		    DT_SILABS_GECKO_LEUART_LEUART_0_IRQ_PRIORITY,
+		    leuart_gecko_isr, DEVICE_GET(leuart_0), 0);
 
-	irq_enable(DT_LEUART_GECKO_0_IRQ);
+	irq_enable(DT_SILABS_GECKO_LEUART_LEUART_0_IRQ);
 }
 #endif
 
@@ -356,12 +357,12 @@ static void leuart_gecko_config_func_1(struct device *dev);
 #endif
 
 static const struct leuart_gecko_config leuart_gecko_1_config = {
-	.base = (LEUART_TypeDef *)CONFIG_LEUART_GECKO_1_BASE_ADDRESS,
+	.base = (LEUART_TypeDef *)DT_SILABS_GECKO_LEUART_LEUART_1_BASE_ADDRESS,
 	.clock = cmuClock_LEUART0,
-	.baud_rate = CONFIG_LEUART_GECKO_1_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_LEUART_LEUART_1_CURRENT_SPEED,
 	.pin_rx = PIN_LEUART1_RXD,
 	.pin_tx = PIN_LEUART1_TXD,
-	.loc = CONFIG_LEUART_GECKO_1_LOCATION,
+	.loc = DT_SILABS_GECKO_LEUART_LEUART_1_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = leuart_gecko_config_func_1,
 #endif
@@ -369,19 +370,20 @@ static const struct leuart_gecko_config leuart_gecko_1_config = {
 
 static struct leuart_gecko_data leuart_gecko_1_data;
 
-DEVICE_AND_API_INIT(leuart_1, CONFIG_LEUART_GECKO_1_LABEL, &leuart_gecko_init,
-		    &leuart_gecko_1_data, &leuart_gecko_1_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(leuart_1, DT_SILABS_GECKO_LEUART_LEUART_1_LABEL,
+		    &leuart_gecko_init, &leuart_gecko_1_data,
+		    &leuart_gecko_1_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    &leuart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void leuart_gecko_config_func_1(struct device *dev)
 {
-	IRQ_CONNECT(CONFIG_LEUART_GECKO_1_IRQ,
-		    CONFIG_LEUART_GECKO_1_IRQ_PRIORITY, leuart_gecko_isr,
-		    DEVICE_GET(leuart_1), 0);
+	IRQ_CONNECT(DT_SILABS_GECKO_LEUART_LEUART_1_IRQ,
+		    DT_SILABS_GECKO_LEUART_LEUART_1_IRQ_PRIORITY,
+		    leuart_gecko_isr, DEVICE_GET(leuart_1), 0);
 
-	irq_enable(CONFIG_LEUART_GECKO_1_IRQ);
+	irq_enable(DT_SILABS_GECKO_LEUART_LEUART_1_IRQ);
 }
 #endif
 
diff --git a/drivers/serial/uart_gecko.c b/drivers/serial/uart_gecko.c
index d17265b8a0270..e59050687b914 100644
--- a/drivers/serial/uart_gecko.c
+++ b/drivers/serial/uart_gecko.c
@@ -298,12 +298,12 @@ static void uart_gecko_config_func_0(struct device *dev);
 #endif
 
 static const struct uart_gecko_config uart_gecko_0_config = {
-	.base = (USART_TypeDef *)DT_UART_GECKO_0_BASE_ADDRESS,
+	.base = (USART_TypeDef *)DT_SILABS_GECKO_UART_UART_0_BASE_ADDRESS,
 	.clock = cmuClock_UART0,
-	.baud_rate = DT_UART_GECKO_0_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_UART_UART_0_CURRENT_SPEED,
 	.pin_rx = PIN_UART0_RXD,
 	.pin_tx = PIN_UART0_TXD,
-	.loc = DT_UART_GECKO_0_LOCATION,
+	.loc = DT_SILABS_GECKO_UART_UART_0_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = uart_gecko_config_func_0,
 #endif
@@ -311,22 +311,22 @@ static const struct uart_gecko_config uart_gecko_0_config = {
 
 static struct uart_gecko_data uart_gecko_0_data;
 
-DEVICE_AND_API_INIT(uart_0, DT_UART_GECKO_0_LABEL, &uart_gecko_init, &uart_gecko_0_data,
-		    &uart_gecko_0_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(uart_0, DT_SILABS_GECKO_UART_UART_0_LABEL, &uart_gecko_init,
+		    &uart_gecko_0_data, &uart_gecko_0_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &uart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void uart_gecko_config_func_0(struct device *dev)
 {
-	IRQ_CONNECT(DT_UART_GECKO_0_IRQ_RX,
-		    DT_UART_GECKO_0_IRQ_RX_PRIORITY, uart_gecko_isr,
+	IRQ_CONNECT(DT_SILABS_GECKO_UART_UART_0_IRQ_RX,
+		    DT_SILABS_GECKO_UART_UART_0_IRQ_RX_PRIORITY, uart_gecko_isr,
 		    DEVICE_GET(uart_0), 0);
-	IRQ_CONNECT(DT_UART_GECKO_0_IRQ_TX,
-		    DT_UART_GECKO_0_IRQ_TX_PRIORITY, uart_gecko_isr,
+	IRQ_CONNECT(DT_SILABS_GECKO_UART_UART_0_IRQ_TX,
+		    DT_SILABS_GECKO_UART_UART_0_IRQ_TX_PRIORITY, uart_gecko_isr,
 		    DEVICE_GET(uart_0), 0);
 
-	irq_enable(DT_UART_GECKO_0_IRQ_RX);
-	irq_enable(DT_UART_GECKO_0_IRQ_TX);
+	irq_enable(DT_SILABS_GECKO_UART_UART_0_IRQ_RX);
+	irq_enable(DT_SILABS_GECKO_UART_UART_0_IRQ_TX);
 }
 #endif
 
@@ -339,12 +339,12 @@ static void uart_gecko_config_func_1(struct device *dev);
 #endif
 
 static const struct uart_gecko_config uart_gecko_1_config = {
-	.base = (USART_TypeDef *)DT_UART_GECKO_1_BASE_ADDRESS,
+	.base = (USART_TypeDef *)DT_SILABS_GECKO_UART_UART_1_BASE_ADDRESS,
 	.clock = cmuClock_UART1,
-	.baud_rate = DT_UART_GECKO_1_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_UART_UART_1_CURRENT_SPEED,
 	.pin_rx = PIN_UART1_RXD,
 	.pin_tx = PIN_UART1_TXD,
-	.loc = DT_UART_GECKO_1_LOCATION,
+	.loc = DT_SILABS_GECKO_UART_UART_1_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = uart_gecko_config_func_1,
 #endif
@@ -352,22 +352,22 @@ static const struct uart_gecko_config uart_gecko_1_config = {
 
 static struct uart_gecko_data uart_gecko_1_data;
 
-DEVICE_AND_API_INIT(uart_1, DT_UART_GECKO_1_LABEL, &uart_gecko_init, &uart_gecko_1_data,
-		    &uart_gecko_1_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(uart_1, DT_SILABS_GECKO_UART_UART_1_LABEL, &uart_gecko_init,
+		    &uart_gecko_1_data, &uart_gecko_1_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &uart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void uart_gecko_config_func_1(struct device *dev)
 {
-	IRQ_CONNECT(DT_UART_GECKO_1_IRQ_RX,
-		    DT_UART_GECKO_1_IRQ_RX_PRIORITY, uart_gecko_isr,
+	IRQ_CONNECT(DT_SILABS_GECKO_UART_UART_1_IRQ_RX,
+		    DT_SILABS_GECKO_UART_UART_1_IRQ_RX_PRIORITY, uart_gecko_isr,
 		    DEVICE_GET(uart_1), 0);
-	IRQ_CONNECT(DT_UART_GECKO_1_IRQ_TX,
-		    DT_UART_GECKO_1_IRQ_TX_PRIORITY, uart_gecko_isr,
+	IRQ_CONNECT(DT_SILABS_GECKO_UART_UART_1_IRQ_TX,
+		    DT_SILABS_GECKO_UART_UART_1_IRQ_TX_PRIORITY, uart_gecko_isr,
 		    DEVICE_GET(uart_1), 0);
 
-	irq_enable(DT_UART_GECKO_1_IRQ_RX);
-	irq_enable(DT_UART_GECKO_1_IRQ_TX);
+	irq_enable(DT_SILABS_GECKO_UART_UART_1_IRQ_RX);
+	irq_enable(DT_SILABS_GECKO_UART_UART_1_IRQ_TX);
 }
 #endif
 
@@ -380,12 +380,12 @@ static void usart_gecko_config_func_0(struct device *dev);
 #endif
 
 static const struct uart_gecko_config usart_gecko_0_config = {
-	.base = (USART_TypeDef *)DT_USART_GECKO_0_BASE_ADDRESS,
+	.base = (USART_TypeDef *)DT_SILABS_GECKO_USART_USART_0_BASE_ADDRESS,
 	.clock = cmuClock_USART0,
-	.baud_rate = DT_USART_GECKO_0_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_USART_USART_0_CURRENT_SPEED,
 	.pin_rx = PIN_USART0_RXD,
 	.pin_tx = PIN_USART0_TXD,
-	.loc = DT_USART_GECKO_0_LOCATION,
+	.loc = DT_SILABS_GECKO_USART_USART_0_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = usart_gecko_config_func_0,
 #endif
@@ -393,22 +393,23 @@ static const struct uart_gecko_config usart_gecko_0_config = {
 
 static struct uart_gecko_data usart_gecko_0_data;
 
-DEVICE_AND_API_INIT(usart_0, DT_USART_GECKO_0_LABEL, &uart_gecko_init,
-		    &usart_gecko_0_data, &usart_gecko_0_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(usart_0, DT_SILABS_GECKO_USART_USART_0_LABEL,
+		    &uart_gecko_init, &usart_gecko_0_data,
+		    &usart_gecko_0_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &uart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void usart_gecko_config_func_0(struct device *dev)
 {
-	IRQ_CONNECT(DT_USART_GECKO_0_IRQ_RX,
-		    DT_USART_GECKO_0_IRQ_RX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_0), 0);
-	IRQ_CONNECT(DT_USART_GECKO_0_IRQ_TX,
-		    DT_USART_GECKO_0_IRQ_TX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_0), 0);
-
-	irq_enable(DT_USART_GECKO_0_IRQ_RX);
-	irq_enable(DT_USART_GECKO_0_IRQ_TX);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_0_IRQ_RX,
+		    DT_SILABS_GECKO_USART_USART_0_IRQ_RX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_0), 0);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_0_IRQ_TX,
+		    DT_SILABS_GECKO_USART_USART_0_IRQ_TX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_0), 0);
+
+	irq_enable(DT_SILABS_GECKO_USART_USART_0_IRQ_RX);
+	irq_enable(DT_SILABS_GECKO_USART_USART_0_IRQ_TX);
 }
 #endif
 
@@ -421,12 +422,12 @@ static void usart_gecko_config_func_1(struct device *dev);
 #endif
 
 static const struct uart_gecko_config usart_gecko_1_config = {
-	.base = (USART_TypeDef *)DT_USART_GECKO_1_BASE_ADDRESS,
+	.base = (USART_TypeDef *)DT_SILABS_GECKO_USART_USART_1_BASE_ADDRESS,
 	.clock = cmuClock_USART1,
-	.baud_rate = DT_USART_GECKO_1_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_USART_USART_1_CURRENT_SPEED,
 	.pin_rx = PIN_USART1_RXD,
 	.pin_tx = PIN_USART1_TXD,
-	.loc = DT_USART_GECKO_1_LOCATION,
+	.loc = DT_SILABS_GECKO_USART_USART_1_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = usart_gecko_config_func_1,
 #endif
@@ -434,22 +435,23 @@ static const struct uart_gecko_config usart_gecko_1_config = {
 
 static struct uart_gecko_data usart_gecko_1_data;
 
-DEVICE_AND_API_INIT(usart_1, DT_USART_GECKO_1_LABEL, &uart_gecko_init,
-		    &usart_gecko_1_data, &usart_gecko_1_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(usart_1, DT_SILABS_GECKO_USART_USART_1_LABEL,
+		    &uart_gecko_init, &usart_gecko_1_data,
+		    &usart_gecko_1_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &uart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void usart_gecko_config_func_1(struct device *dev)
 {
-	IRQ_CONNECT(DT_USART_GECKO_1_IRQ_RX,
-		    DT_USART_GECKO_1_IRQ_RX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_1), 0);
-	IRQ_CONNECT(DT_USART_GECKO_1_IRQ_TX,
-		    DT_USART_GECKO_1_IRQ_TX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_1), 0);
-
-	irq_enable(DT_USART_GECKO_1_IRQ_RX);
-	irq_enable(DT_USART_GECKO_1_IRQ_TX);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_1_IRQ_RX,
+		    DT_SILABS_GECKO_USART_USART_1_IRQ_RX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_1), 0);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_1_IRQ_TX,
+		    DT_SILABS_GECKO_USART_USART_1_IRQ_TX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_1), 0);
+
+	irq_enable(DT_SILABS_GECKO_USART_USART_1_IRQ_RX);
+	irq_enable(DT_SILABS_GECKO_USART_USART_1_IRQ_TX);
 }
 #endif
 
@@ -462,12 +464,12 @@ static void usart_gecko_config_func_2(struct device *dev);
 #endif
 
 static const struct uart_gecko_config usart_gecko_2_config = {
-	.base = (USART_TypeDef *)DT_USART_GECKO_2_BASE_ADDRESS,
+	.base = (USART_TypeDef *)DT_SILABS_GECKO_USART_USART_2_BASE_ADDRESS,
 	.clock = cmuClock_USART2,
-	.baud_rate = DT_USART_GECKO_2_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_USART_USART_2_CURRENT_SPEED,
 	.pin_rx = PIN_USART2_RXD,
 	.pin_tx = PIN_USART2_TXD,
-	.loc = DT_USART_GECKO_2_LOCATION,
+	.loc = DT_SILABS_GECKO_USART_USART_2_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = usart_gecko_config_func_2,
 #endif
@@ -475,22 +477,23 @@ static const struct uart_gecko_config usart_gecko_2_config = {
 
 static struct uart_gecko_data usart_gecko_2_data;
 
-DEVICE_AND_API_INIT(usart_2, DT_USART_GECKO_2_LABEL, &uart_gecko_init,
-		    &usart_gecko_2_data, &usart_gecko_2_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(usart_2, DT_SILABS_GECKO_USART_USART_2_LABEL,
+		    &uart_gecko_init, &usart_gecko_2_data,
+		    &usart_gecko_2_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &uart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void usart_gecko_config_func_2(struct device *dev)
 {
-	IRQ_CONNECT(DT_USART_GECKO_2_IRQ_RX,
-		    DT_USART_GECKO_2_IRQ_RX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_2), 0);
-	IRQ_CONNECT(DT_USART_GECKO_2_IRQ_TX,
-		    DT_USART_GECKO_2_IRQ_TX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_2), 0);
-
-	irq_enable(DT_USART_GECKO_2_IRQ_RX);
-	irq_enable(DT_USART_GECKO_2_IRQ_TX);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_2_IRQ_RX,
+		    DT_SILABS_GECKO_USART_USART_2_IRQ_RX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_2), 0);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_2_IRQ_TX,
+		    DT_SILABS_GECKO_USART_USART_2_IRQ_TX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_2), 0);
+
+	irq_enable(DT_SILABS_GECKO_USART_USART_2_IRQ_RX);
+	irq_enable(DT_SILABS_GECKO_USART_USART_2_IRQ_TX);
 }
 #endif
 
@@ -503,12 +506,12 @@ static void usart_gecko_config_func_3(struct device *dev);
 #endif
 
 static const struct uart_gecko_config usart_gecko_3_config = {
-	.base = (USART_TypeDef *)DT_USART_GECKO_3_BASE_ADDRESS,
+	.base = (USART_TypeDef *)DT_SILABS_GECKO_USART_USART_3_BASE_ADDRESS,
 	.clock = cmuClock_USART3,
-	.baud_rate = DT_USART_GECKO_3_CURRENT_SPEED,
+	.baud_rate = DT_SILABS_GECKO_USART_USART_3_CURRENT_SPEED,
 	.pin_rx = PIN_USART3_RXD,
 	.pin_tx = PIN_USART3_TXD,
-	.loc = DT_USART_GECKO_3_LOCATION,
+	.loc = DT_SILABS_GECKO_USART_USART_3_LOCATION,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = usart_gecko_config_func_3,
 #endif
@@ -516,22 +519,23 @@ static const struct uart_gecko_config usart_gecko_3_config = {
 
 static struct uart_gecko_data usart_gecko_3_data;
 
-DEVICE_AND_API_INIT(usart_3, DT_USART_GECKO_3_LABEL, &uart_gecko_init,
-		    &usart_gecko_3_data, &usart_gecko_3_config, PRE_KERNEL_1,
+DEVICE_AND_API_INIT(usart_3, DT_SILABS_GECKO_USART_USART_3_LABEL,
+		    &uart_gecko_init, &usart_gecko_3_data,
+		    &usart_gecko_3_config, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &uart_gecko_driver_api);
 
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void usart_gecko_config_func_3(struct device *dev)
 {
-	IRQ_CONNECT(DT_USART_GECKO_3_IRQ_RX,
-		    DT_USART_GECKO_3_IRQ_RX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_3), 0);
-	IRQ_CONNECT(DT_USART_GECKO_3_IRQ_TX,
-		    DT_USART_GECKO_3_IRQ_TX_PRIORITY, uart_gecko_isr,
-		    DEVICE_GET(usart_3), 0);
-
-	irq_enable(DT_USART_GECKO_3_IRQ_RX);
-	irq_enable(DT_USART_GECKO_3_IRQ_TX);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_3_IRQ_RX,
+		    DT_SILABS_GECKO_USART_USART_3_IRQ_RX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_3), 0);
+	IRQ_CONNECT(DT_SILABS_GECKO_USART_USART_3_IRQ_TX,
+		    DT_SILABS_GECKO_USART_USART_3_IRQ_TX_PRIORITY,
+		    uart_gecko_isr, DEVICE_GET(usart_3), 0);
+
+	irq_enable(DT_SILABS_GECKO_USART_USART_3_IRQ_RX);
+	irq_enable(DT_SILABS_GECKO_USART_USART_3_IRQ_TX);
 }
 #endif
 
diff --git a/dts/arm/silabs/efm32hg.dtsi b/dts/arm/silabs/efm32hg.dtsi
index d6946db5febdd..e0c24e7117660 100644
--- a/dts/arm/silabs/efm32hg.dtsi
+++ b/dts/arm/silabs/efm32hg.dtsi
@@ -17,6 +17,11 @@
 		compatible = "mmio-sram";
 	};
 
+	aliases {
+		usart-0 = &usart0;
+		usart-1 = &usart1;
+	};
+
 	soc {
 		flash-controller@400c0000 {
 			compatible = "silabs,gecko-flash-controller";
diff --git a/dts/arm/silabs/efm32pg12b.dtsi b/dts/arm/silabs/efm32pg12b.dtsi
index c808f637b6ed1..69b4b857540b2 100644
--- a/dts/arm/silabs/efm32pg12b.dtsi
+++ b/dts/arm/silabs/efm32pg12b.dtsi
@@ -24,6 +24,16 @@
 	       compatible = "mmio-sram";
 	};
 
+	aliases {
+		usart-0 = &usart0;
+		usart-1 = &usart1;
+		usart-2 = &usart2;
+		usart-3 = &usart3;
+		leuart-0 = &leuart0;
+		i2c-0 = &i2c0;
+		i2c-1 = &i2c1;
+	};
+
 	soc {
 		flash-controller@400e0000 {
 			compatible = "silabs,gecko-flash-controller";
diff --git a/dts/arm/silabs/efm32wg.dtsi b/dts/arm/silabs/efm32wg.dtsi
index 13425fb9b25b5..cc0a2b101e776 100644
--- a/dts/arm/silabs/efm32wg.dtsi
+++ b/dts/arm/silabs/efm32wg.dtsi
@@ -17,6 +17,14 @@
 		compatible = "mmio-sram";
 	};
 
+	aliases {
+		usart-0 = &usart0;
+		usart-1 = &usart1;
+		usart-2 = &usart2;
+		uart-0 = &uart0;
+		uart-1 = &uart1;
+	};
+
 	soc {
 		flash-controller@400c0000 {
 			compatible = "silabs,gecko-flash-controller";
diff --git a/dts/arm/silabs/efr32fg1p.dtsi b/dts/arm/silabs/efr32fg1p.dtsi
index 4544df0ae2231..9810243c94ed3 100644
--- a/dts/arm/silabs/efr32fg1p.dtsi
+++ b/dts/arm/silabs/efr32fg1p.dtsi
@@ -17,6 +17,11 @@
 		compatible = "mmio-sram";
 	};
 
+	aliases {
+		usart-0 = &usart0;
+		usart-1 = &usart1;
+	};
+
 	soc {
 		flash-controller@400e0000 {
 			compatible = "silabs,gecko-flash-controller";
diff --git a/dts/arm/silabs/efr32mg.dtsi b/dts/arm/silabs/efr32mg.dtsi
index 02afec7b4d833..ad96aef9e5af1 100644
--- a/dts/arm/silabs/efr32mg.dtsi
+++ b/dts/arm/silabs/efr32mg.dtsi
@@ -18,6 +18,16 @@
 		compatible = "mmio-sram";
 	};
 
+	aliases {
+		usart-0 = &usart0;
+		usart-1 = &usart1;
+		usart-2 = &usart2;
+		usart-3 = &usart3;
+		leuart-0 = &leuart0;
+		i2c-0 = &i2c0;
+		i2c-1 = &i2c1;
+	};
+
 	soc {
 		flash-controller@400e0000 {
 			compatible = "silabs,gecko-flash-controller";
diff --git a/soc/arm/silabs_exx32/efm32hg/dts_fixup.h b/soc/arm/silabs_exx32/efm32hg/dts_fixup.h
index b75e4934a3890..25e93799039c5 100644
--- a/soc/arm/silabs_exx32/efm32hg/dts_fixup.h
+++ b/soc/arm/silabs_exx32/efm32hg/dts_fixup.h
@@ -11,26 +11,6 @@
 #define DT_FLASH_DEV_BASE_ADDRESS		DT_SILABS_GECKO_FLASH_CONTROLLER_400C0000_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME			DT_SILABS_GECKO_FLASH_CONTROLLER_400C0000_LABEL
 
-#define DT_USART_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_USART_4000C000_BASE_ADDRESS
-#define DT_USART_GECKO_0_CURRENT_SPEED	DT_SILABS_GECKO_USART_4000C000_CURRENT_SPEED
-#define DT_USART_GECKO_0_IRQ_RX		DT_SILABS_GECKO_USART_4000C000_IRQ_0
-#define DT_USART_GECKO_0_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_4000C000_IRQ_0_PRIORITY
-#define DT_USART_GECKO_0_IRQ_TX		DT_SILABS_GECKO_USART_4000C000_IRQ_1
-#define DT_USART_GECKO_0_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_4000C000_IRQ_1_PRIORITY
-#define DT_USART_GECKO_0_LABEL		DT_SILABS_GECKO_USART_4000C000_LABEL
-#define DT_USART_GECKO_0_LOCATION		DT_SILABS_GECKO_USART_4000C000_LOCATION
-#define DT_USART_GECKO_0_SIZE		DT_SILABS_GECKO_USART_4000C000_SIZE
-
-#define DT_USART_GECKO_1_BASE_ADDRESS	DT_SILABS_GECKO_USART_4000C400_BASE_ADDRESS
-#define DT_USART_GECKO_1_CURRENT_SPEED	DT_SILABS_GECKO_USART_4000C400_CURRENT_SPEED
-#define DT_USART_GECKO_1_IRQ_RX		DT_SILABS_GECKO_USART_4000C400_IRQ_0
-#define DT_USART_GECKO_1_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_4000C400_IRQ_0_PRIORITY
-#define DT_USART_GECKO_1_IRQ_TX		DT_SILABS_GECKO_USART_4000C400_IRQ_1
-#define DT_USART_GECKO_1_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_4000C400_IRQ_1_PRIORITY
-#define DT_USART_GECKO_1_LABEL		DT_SILABS_GECKO_USART_4000C400_LABEL
-#define DT_USART_GECKO_1_LOCATION		DT_SILABS_GECKO_USART_4000C400_LOCATION
-#define DT_USART_GECKO_1_SIZE		DT_SILABS_GECKO_USART_4000C400_SIZE
-
 #define DT_GPIO_GECKO_COMMON_NAME	DT_SILABS_EFM32_GPIO_40006100_LABEL
 #define DT_GPIO_GECKO_COMMON_EVEN_IRQ	DT_SILABS_EFM32_GPIO_40006100_IRQ_GPIO_EVEN
 #define DT_GPIO_GECKO_COMMON_EVEN_PRI	DT_SILABS_EFM32_GPIO_40006100_IRQ_GPIO_EVEN_PRIORITY
diff --git a/soc/arm/silabs_exx32/efm32hg/soc_pinmap.h b/soc/arm/silabs_exx32/efm32hg/soc_pinmap.h
index 32a7fc2d26d30..92146c7d5a05d 100644
--- a/soc/arm/silabs_exx32/efm32hg/soc_pinmap.h
+++ b/soc/arm/silabs_exx32/efm32hg/soc_pinmap.h
@@ -17,17 +17,17 @@
 #include <em_gpio.h>
 
 #ifdef CONFIG_USART_GECKO_0
-#if (DT_USART_GECKO_0_LOCATION == 0)
+#if (DT_SILABS_GECKO_USART_USART_0_LOCATION == 0)
 #define PIN_USART0_TXD {gpioPortE, 10, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortE, 11, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_LOCATION == 3)
+#elif (DT_SILABS_GECKO_USART_USART_0_LOCATION == 3)
 #define PIN_USART0_TXD {gpioPortE, 13, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortE, 12, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_LOCATION == 4)
+#elif (DT_SILABS_GECKO_USART_USART_0_LOCATION == 4)
 #define PIN_USART0_TXD {gpioPortB, 7, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortB, 8, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_LOCATION == 5) || \
-	(DT_USART_GECKO_0_LOCATION == 6)
+#elif (DT_SILABS_GECKO_USART_USART_0_LOCATION == 5) || \
+	(DT_SILABS_GECKO_USART_USART_0_LOCATION == 6)
 #define PIN_USART0_TXD {gpioPortC, 0, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortC, 1, gpioModeInput, 1}
 #else
@@ -36,17 +36,17 @@
 #endif /* CONFIG_USART_GECKO_0 */
 
 #ifdef CONFIG_USART_GECKO_1
-#if (DT_USART_GECKO_1_LOCATION == 0)
+#if (DT_SILABS_GECKO_USART_USART_1_LOCATION == 0)
 #define PIN_USART1_TXD {gpioPortC, 0, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortC, 1, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_LOCATION == 2) || \
-	(DT_USART_GECKO_1_LOCATION == 3)
+#elif (DT_SILABS_GECKO_USART_USART_1_LOCATION == 2) || \
+	(DT_SILABS_GECKO_USART_USART_1_LOCATION == 3)
 #define PIN_USART1_TXD {gpioPortD, 7, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortD, 6, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_LOCATION == 4)
+#elif (DT_SILABS_GECKO_USART_USART_1_LOCATION == 4)
 #define PIN_USART1_TXD {gpioPortF, 2, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortA, 0, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_LOCATION == 5)
+#elif (DT_SILABS_GECKO_USART_USART_1_LOCATION == 5)
 #define PIN_USART1_TXD {gpioPortC, 1, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortC, 2, gpioModeInput, 1}
 #else
diff --git a/soc/arm/silabs_exx32/efm32pg12b/dts_fixup.h b/soc/arm/silabs_exx32/efm32pg12b/dts_fixup.h
index d201bd9565aa2..ef6ec11355aa6 100644
--- a/soc/arm/silabs_exx32/efm32pg12b/dts_fixup.h
+++ b/soc/arm/silabs_exx32/efm32pg12b/dts_fixup.h
@@ -11,54 +11,6 @@
 #define DT_FLASH_DEV_BASE_ADDRESS		DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME			DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_LABEL
 
-#define DT_USART_GECKO_0_BASE_ADDRESS		DT_SILABS_GECKO_USART_40010000_BASE_ADDRESS
-#define DT_USART_GECKO_0_CURRENT_SPEED		DT_SILABS_GECKO_USART_40010000_CURRENT_SPEED
-#define DT_USART_GECKO_0_IRQ_RX			DT_SILABS_GECKO_USART_40010000_IRQ_0
-#define DT_USART_GECKO_0_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010000_IRQ_0_PRIORITY
-#define DT_USART_GECKO_0_IRQ_TX			DT_SILABS_GECKO_USART_40010000_IRQ_1
-#define DT_USART_GECKO_0_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010000_IRQ_1_PRIORITY
-#define DT_USART_GECKO_0_LABEL			DT_SILABS_GECKO_USART_40010000_LABEL
-#define DT_USART_GECKO_0_LOCATION		DT_SILABS_GECKO_USART_40010000_LOCATION
-#define DT_USART_GECKO_0_SIZE			DT_SILABS_GECKO_USART_40010000_SIZE
-
-#define DT_USART_GECKO_1_BASE_ADDRESS		DT_SILABS_GECKO_USART_40010400_BASE_ADDRESS
-#define DT_USART_GECKO_1_CURRENT_SPEED		DT_SILABS_GECKO_USART_40010400_CURRENT_SPEED
-#define DT_USART_GECKO_1_IRQ_RX			DT_SILABS_GECKO_USART_40010400_IRQ_0
-#define DT_USART_GECKO_1_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010400_IRQ_0_PRIORITY
-#define DT_USART_GECKO_1_IRQ_TX			DT_SILABS_GECKO_USART_40010400_IRQ_1
-#define DT_USART_GECKO_1_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010400_IRQ_1_PRIORITY
-#define DT_USART_GECKO_1_LABEL			DT_SILABS_GECKO_USART_40010400_LABEL
-#define DT_USART_GECKO_1_LOCATION		DT_SILABS_GECKO_USART_40010400_LOCATION
-#define DT_USART_GECKO_1_SIZE			DT_SILABS_GECKO_USART_40010400_SIZE
-
-#define DT_USART_GECKO_2_BASE_ADDRESS		DT_SILABS_GECKO_USART_40010800_BASE_ADDRESS
-#define DT_USART_GECKO_2_CURRENT_SPEED		DT_SILABS_GECKO_USART_40010800_CURRENT_SPEED
-#define DT_USART_GECKO_2_IRQ_RX			DT_SILABS_GECKO_USART_40010800_IRQ_0
-#define DT_USART_GECKO_2_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010800_IRQ_0_PRIORITY
-#define DT_USART_GECKO_2_IRQ_TX			DT_SILABS_GECKO_USART_40010800_IRQ_1
-#define DT_USART_GECKO_2_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010800_IRQ_1_PRIORITY
-#define DT_USART_GECKO_2_LABEL			DT_SILABS_GECKO_USART_40010800_LABEL
-#define DT_USART_GECKO_2_LOCATION		DT_SILABS_GECKO_USART_40010800_LOCATION
-#define DT_USART_GECKO_2_SIZE			DT_SILABS_GECKO_USART_40010800_SIZE
-
-#define DT_USART_GECKO_3_BASE_ADDRESS		DT_SILABS_GECKO_USART_40010C00_BASE_ADDRESS
-#define DT_USART_GECKO_3_CURRENT_SPEED		DT_SILABS_GECKO_USART_40010C00_CURRENT_SPEED
-#define DT_USART_GECKO_3_IRQ_RX			DT_SILABS_GECKO_USART_40010C00_IRQ_0
-#define DT_USART_GECKO_3_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010C00_IRQ_0_PRIORITY
-#define DT_USART_GECKO_3_IRQ_TX			DT_SILABS_GECKO_USART_40010C00_IRQ_1
-#define DT_USART_GECKO_3_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010C00_IRQ_1_PRIORITY
-#define DT_USART_GECKO_3_LABEL			DT_SILABS_GECKO_USART_40010C00_LABEL
-#define DT_USART_GECKO_3_LOCATION		DT_SILABS_GECKO_USART_40010C00_LOCATION
-#define DT_USART_GECKO_3_SIZE			DT_SILABS_GECKO_USART_40010C00_SIZE
-
-#define DT_LEUART_GECKO_0_BASE_ADDRESS		DT_SILABS_GECKO_LEUART_4004A000_BASE_ADDRESS
-#define DT_LEUART_GECKO_0_CURRENT_SPEED		DT_SILABS_GECKO_LEUART_4004A000_CURRENT_SPEED
-#define DT_LEUART_GECKO_0_IRQ			DT_SILABS_GECKO_LEUART_4004A000_IRQ_0
-#define DT_LEUART_GECKO_0_IRQ_PRIORITY		DT_SILABS_GECKO_LEUART_4004A000_IRQ_0_PRIORITY
-#define DT_LEUART_GECKO_0_LABEL			DT_SILABS_GECKO_LEUART_4004A000_LABEL
-#define DT_LEUART_GECKO_0_LOCATION		DT_SILABS_GECKO_LEUART_4004A000_LOCATION
-#define DT_LEUART_GECKO_0_SIZE			DT_SILABS_GECKO_LEUART_4004A000_SIZE
-
 #define DT_GPIO_GECKO_COMMON_NAME	DT_SILABS_EFM32_GPIO_4000A400_LABEL
 #define DT_GPIO_GECKO_COMMON_EVEN_IRQ	DT_SILABS_EFM32_GPIO_4000A400_IRQ_GPIO_EVEN
 #define DT_GPIO_GECKO_COMMON_EVEN_PRI	DT_SILABS_EFM32_GPIO_4000A400_IRQ_GPIO_EVEN_PRIORITY
@@ -72,20 +24,4 @@
 #define DT_GPIO_GECKO_PORTE_NAME	DT_SILABS_EFM32_GPIO_PORT_4000A0C0_LABEL
 #define DT_GPIO_GECKO_PORTF_NAME	DT_SILABS_EFM32_GPIO_PORT_4000A0F0_LABEL
 
-#define DT_I2C_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_I2C_4000C000_BASE_ADDRESS
-#define DT_I2C_GECKO_0_CLOCK_FREQUENCY	DT_SILABS_GECKO_I2C_4000C000_CLOCK_FREQUENCY
-#define DT_I2C_GECKO_0_IRQ		DT_SILABS_GECKO_I2C_4000C000_IRQ_0
-#define DT_I2C_GECKO_0_IRQ_PRIORITY	DT_SILABS_GECKO_I2C_4000C000_IRQ_0_PRIORITY
-#define DT_I2C_GECKO_0_LABEL		DT_SILABS_GECKO_I2C_4000C000_LABEL
-#define DT_I2C_GECKO_0_LOCATION		DT_SILABS_GECKO_I2C_4000C000_LOCATION
-#define DT_I2C_GECKO_0_SIZE		DT_SILABS_GECKO_I2C_4000C000_SIZE
-
-#define DT_I2C_GECKO_1_BASE_ADDRESS	DT_SILABS_GECKO_I2C_4000C400_BASE_ADDRESS
-#define DT_I2C_GECKO_1_CLOCK_FREQUENCY	DT_SILABS_GECKO_I2C_4000C400_CLOCK_FREQUENCY
-#define DT_I2C_GECKO_1_IRQ		DT_SILABS_GECKO_I2C_4000C400_IRQ_0
-#define DT_I2C_GECKO_1_IRQ_PRIORITY	DT_SILABS_GECKO_I2C_4000C400_IRQ_0_PRIORITY
-#define DT_I2C_GECKO_1_LABEL		DT_SILABS_GECKO_I2C_4000C400_LABEL
-#define DT_I2C_GECKO_1_LOCATION		DT_SILABS_GECKO_I2C_4000C400_LOCATION
-#define DT_I2C_GECKO_1_SIZE		DT_SILABS_GECKO_I2C_4000C400_SIZE
-
 /* End of SoC Level DTS fixup file */
diff --git a/soc/arm/silabs_exx32/efm32pg12b/soc_pinmap.h b/soc/arm/silabs_exx32/efm32pg12b/soc_pinmap.h
index 9a80ce52a78a6..43e3d87cca4ed 100644
--- a/soc/arm/silabs_exx32/efm32pg12b/soc_pinmap.h
+++ b/soc/arm/silabs_exx32/efm32pg12b/soc_pinmap.h
@@ -17,16 +17,16 @@
 #include <em_gpio.h>
 
 #ifdef CONFIG_USART_GECKO_0
-#if (DT_USART_GECKO_0_GPIO_LOC == 0)
+#if (DT_SILABS_GECKO_USART_USART_0_GPIO_LOC == 0)
 #define PIN_USART0_TXD {gpioPortA, 0, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 1, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_GPIO_LOC == 1)
+#elif (DT_SILABS_GECKO_USART_USART_0_GPIO_LOC == 1)
 #define PIN_USART0_TXD {gpioPortA, 1, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 2, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_GPIO_LOC == 2)
+#elif (DT_SILABS_GECKO_USART_USART_0_GPIO_LOC == 2)
 #define PIN_USART0_TXD {gpioPortA, 2, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 3, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_GPIO_LOC == 18)
+#elif (DT_SILABS_GECKO_USART_USART_0_GPIO_LOC == 18)
 #define PIN_USART0_TXD {gpioPortD, 10, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortD, 11, gpioModeInput, 1}
 #else
@@ -37,13 +37,13 @@
 #ifdef CONFIG_USART_GECKO_1
 #if (CONFIG_USART_GECKO_1_GPIO_LOC == 0)
 #error ("Serial Driver for Gecko MCUs not implemented for this location index")
-#elif (DT_USART_GECKO_1_GPIO_LOC == 1)
+#elif (DT_SILABS_GECKO_USART_USART_1_GPIO_LOC == 1)
 #define PIN_USART1_TXD {gpioPortA, 1, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortA, 2, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_GPIO_LOC == 2)
+#elif (DT_SILABS_GECKO_USART_USART_1_GPIO_LOC == 2)
 #define PIN_USART1_TXD {gpioPortA, 2, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortA, 3, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_GPIO_LOC == 3)
+#elif (DT_SILABS_GECKO_USART_USART_1_GPIO_LOC == 3)
 #define PIN_USART1_TXD {gpioPortA, 3, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortA, 4, gpioModeInput, 1}
 #else
@@ -53,7 +53,7 @@
 
 #ifdef CONFIG_LEUART_GECKO
 #ifdef CONFIG_LEUART_GECKO_0
-#if (DT_LEUART_GECKO_0_LOCATION == 18)
+#if (DT_SILABS_GECKO_LEUART_LEUART_0_LOCATION == 18)
 #define PIN_LEUART0_TXD {gpioPortD, 10, gpioModePushPull, 1}
 #define PIN_LEUART0_RXD {gpioPortD, 11, gpioModeInput, 1}
 #else
@@ -64,7 +64,7 @@
 
 #ifdef CONFIG_I2C_GECKO
 #ifdef CONFIG_I2C_0
-#if (DT_I2C_GECKO_0_LOCATION == 15)
+#if (DT_SILABS_GECKO_I2C_I2C_0_LOCATION == 15)
 #define PIN_I2C0_SDA {gpioPortC, 10, gpioModeWiredAnd, 1}
 #define PIN_I2C0_SCL {gpioPortC, 11, gpioModeWiredAnd, 1}
 #else
@@ -73,7 +73,7 @@
 #endif /* CONFIG_I2C_0 */
 
 #ifdef CONFIG_I2C_1
-#if (DT_I2C_GECKO_1_LOCATION == 6)
+#if (DT_SILABS_GECKO_I2C_I2C_1_LOCATION == 6)
 #define PIN_I2C1_SDA {gpioPortB, 6, gpioModeWiredAnd, 1}
 #define PIN_I2C1_SCL {gpioPortB, 7, gpioModeWiredAnd, 1}
 #else
diff --git a/soc/arm/silabs_exx32/efm32wg/dts_fixup.h b/soc/arm/silabs_exx32/efm32wg/dts_fixup.h
index a2287615ada7f..9ef7993f62101 100644
--- a/soc/arm/silabs_exx32/efm32wg/dts_fixup.h
+++ b/soc/arm/silabs_exx32/efm32wg/dts_fixup.h
@@ -11,57 +11,6 @@
 #define DT_FLASH_DEV_BASE_ADDRESS		DT_SILABS_GECKO_FLASH_CONTROLLER_400C0000_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME			DT_SILABS_GECKO_FLASH_CONTROLLER_400C0000_LABEL
 
-#define DT_USART_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_USART_4000C000_BASE_ADDRESS
-#define DT_USART_GECKO_0_CURRENT_SPEED	DT_SILABS_GECKO_USART_4000C000_CURRENT_SPEED
-#define DT_USART_GECKO_0_IRQ_RX		DT_SILABS_GECKO_USART_4000C000_IRQ_0
-#define DT_USART_GECKO_0_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_4000C000_IRQ_0_PRIORITY
-#define DT_USART_GECKO_0_IRQ_TX		DT_SILABS_GECKO_USART_4000C000_IRQ_1
-#define DT_USART_GECKO_0_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_4000C000_IRQ_1_PRIORITY
-#define DT_USART_GECKO_0_LABEL		DT_SILABS_GECKO_USART_4000C000_LABEL
-#define DT_USART_GECKO_0_LOCATION		DT_SILABS_GECKO_USART_4000C000_LOCATION
-#define DT_USART_GECKO_0_SIZE		DT_SILABS_GECKO_USART_4000C000_SIZE
-
-#define DT_USART_GECKO_1_BASE_ADDRESS	DT_SILABS_GECKO_USART_4000C400_BASE_ADDRESS
-#define DT_USART_GECKO_1_CURRENT_SPEED	DT_SILABS_GECKO_USART_4000C400_CURRENT_SPEED
-#define DT_USART_GECKO_1_IRQ_RX		DT_SILABS_GECKO_USART_4000C400_IRQ_0
-#define DT_USART_GECKO_1_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_4000C400_IRQ_0_PRIORITY
-#define DT_USART_GECKO_1_IRQ_TX		DT_SILABS_GECKO_USART_4000C400_IRQ_1
-#define DT_USART_GECKO_1_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_4000C400_IRQ_1_PRIORITY
-#define DT_USART_GECKO_1_LABEL		DT_SILABS_GECKO_USART_4000C400_LABEL
-#define DT_USART_GECKO_1_LOCATION		DT_SILABS_GECKO_USART_4000C400_LOCATION
-#define DT_USART_GECKO_1_SIZE		DT_SILABS_GECKO_USART_4000C400_SIZE
-
-#define DT_USART_GECKO_2_BASE_ADDRESS	DT_SILABS_GECKO_USART_4000C800_BASE_ADDRESS
-#define DT_USART_GECKO_2_CURRENT_SPEED	DT_SILABS_GECKO_USART_4000C800_CURRENT_SPEED
-#define DT_USART_GECKO_2_IRQ_RX		DT_SILABS_GECKO_USART_4000C800_IRQ_0
-#define DT_USART_GECKO_2_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_4000C800_IRQ_0_PRIORITY
-#define DT_USART_GECKO_2_IRQ_TX		DT_SILABS_GECKO_USART_4000C800_IRQ_1
-#define DT_USART_GECKO_2_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_4000C800_IRQ_1_PRIORITY
-#define DT_USART_GECKO_2_LABEL		DT_SILABS_GECKO_USART_4000C800_LABEL
-#define DT_USART_GECKO_2_LOCATION		DT_SILABS_GECKO_USART_4000C800_LOCATION
-#define DT_USART_GECKO_2_SIZE		DT_SILABS_GECKO_USART_4000C800_SIZE
-
-#define DT_UART_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_UART_4000E000_BASE_ADDRESS
-#define DT_UART_GECKO_0_CURRENT_SPEED	DT_SILABS_GECKO_UART_4000E000_CURRENT_SPEED
-#define DT_UART_GECKO_0_IRQ_RX		DT_SILABS_GECKO_UART_4000E000_IRQ_0
-#define DT_UART_GECKO_0_IRQ_RX_PRIORITY	DT_SILABS_GECKO_UART_4000E000_IRQ_0_PRIORITY
-#define DT_UART_GECKO_0_IRQ_TX		DT_SILABS_GECKO_UART_4000E000_IRQ_1
-#define DT_UART_GECKO_0_IRQ_TX_PRIORITY	DT_SILABS_GECKO_UART_4000E000_IRQ_1_PRIORITY
-#define DT_UART_GECKO_0_LABEL		DT_SILABS_GECKO_UART_4000E000_LABEL
-#define DT_UART_GECKO_0_LOCATION		DT_SILABS_GECKO_UART_4000E000_LOCATION
-#define DT_UART_GECKO_0_SIZE		DT_SILABS_GECKO_UART_4000E000_SIZE
-
-#define DT_UART_GECKO_1_BASE_ADDRESS	DT_SILABS_GECKO_UART_4000E400_BASE_ADDRESS
-#define DT_UART_GECKO_1_CURRENT_SPEED	DT_SILABS_GECKO_UART_4000E400_CURRENT_SPEED
-#define DT_UART_GECKO_1_IRQ_RX		DT_SILABS_GECKO_UART_4000E400_IRQ_0
-#define DT_UART_GECKO_1_IRQ_RX_PRIORITY	DT_SILABS_GECKO_UART_4000E400_IRQ_0_PRIORITY
-#define DT_UART_GECKO_1_IRQ_TX		DT_SILABS_GECKO_UART_4000E400_IRQ_1
-#define DT_UART_GECKO_1_IRQ_TX_PRIORITY	DT_SILABS_GECKO_UART_4000E400_IRQ_1_PRIORITY
-#define DT_UART_GECKO_1_LABEL		DT_SILABS_GECKO_UART_4000E400_LABEL
-#define DT_UART_GECKO_1_LOCATION		DT_SILABS_GECKO_UART_4000E400_LOCATION
-#define DT_UART_GECKO_1_SIZE		DT_SILABS_GECKO_UART_4000E400_SIZE
-
-
 #define DT_GPIO_GECKO_COMMON_NAME	DT_SILABS_EFM32_GPIO_40006100_LABEL
 #define DT_GPIO_GECKO_COMMON_EVEN_IRQ	DT_SILABS_EFM32_GPIO_40006100_IRQ_GPIO_EVEN
 #define DT_GPIO_GECKO_COMMON_EVEN_PRI	DT_SILABS_EFM32_GPIO_40006100_IRQ_GPIO_EVEN_PRIORITY
diff --git a/soc/arm/silabs_exx32/efm32wg/soc_pinmap.h b/soc/arm/silabs_exx32/efm32wg/soc_pinmap.h
index 2eb1bcdf451d7..d95a82be1f2c1 100644
--- a/soc/arm/silabs_exx32/efm32wg/soc_pinmap.h
+++ b/soc/arm/silabs_exx32/efm32wg/soc_pinmap.h
@@ -17,13 +17,13 @@
 #include <em_gpio.h>
 
 #ifdef CONFIG_UART_GECKO_0
-#if (DT_UART_GECKO_0_LOCATION == 0)
+#if (DT_SILABS_GECKO_UART_UART_0_LOCATION == 0)
 #define PIN_UART0_TXD {gpioPortF, 6, gpioModePushPull, 1}
 #define PIN_UART0_RXD {gpioPortF, 7, gpioModeInput, 1}
-#elif (DT_UART_GECKO_0_LOCATION == 1)
+#elif (DT_SILABS_GECKO_UART_UART_0_LOCATION == 1)
 #define PIN_UART0_TXD {gpioPortE, 0, gpioModePushPull, 1}
 #define PIN_UART0_RXD {gpioPortE, 1, gpioModeInput, 1}
-#elif (DT_UART_GECKO_0_LOCATION == 2)
+#elif (DT_SILABS_GECKO_UART_UART_0_LOCATION == 2)
 #define PIN_UART0_TXD {gpioPortA, 3, gpioModePushPull, 1}
 #define PIN_UART0_RXD {gpioPortA, 4, gpioModeInput, 1}
 #else
@@ -32,15 +32,15 @@
 #endif /* CONFIG_UART_GECKO_0 */
 
 #ifdef CONFIG_UART_GECKO_1
-#if (DT_UART_GECKO_1_LOCATION == 0)
+#if (DT_SILABS_GECKO_UART_UART_1_LOCATION == 0)
 #error ("Serial Driver for Gecko MCUs not implemented for this location index")
-#elif (DT_UART_GECKO_1_LOCATION == 1)
+#elif (DT_SILABS_GECKO_UART_UART_1_LOCATION == 1)
 #define PIN_UART1_TXD {gpioPortF, 10, gpioModePushPull, 1}
 #define PIN_UART1_RXD {gpioPortF, 11, gpioModeInput, 1}
-#elif (DT_UART_GECKO_1_LOCATION == 2)
+#elif (DT_SILABS_GECKO_UART_UART_1_LOCATION == 2)
 #define PIN_UART1_TXD {gpioPortB, 9, gpioModePushPull, 1}
 #define PIN_UART1_RXD {gpioPortB, 10, gpioModeInput, 1}
-#elif (DT_UART_GECKO_1_LOCATION == 3)
+#elif (DT_SILABS_GECKO_UART_UART_1_LOCATION == 3)
 #define PIN_UART1_TXD {gpioPortE, 2, gpioModePushPull, 1}
 #define PIN_UART1_RXD {gpioPortE, 3, gpioModeInput, 1}
 #else
diff --git a/soc/arm/silabs_exx32/efr32fg1p/dts_fixup.h b/soc/arm/silabs_exx32/efr32fg1p/dts_fixup.h
index 98f19851defde..9f24a15667d30 100644
--- a/soc/arm/silabs_exx32/efr32fg1p/dts_fixup.h
+++ b/soc/arm/silabs_exx32/efr32fg1p/dts_fixup.h
@@ -11,26 +11,6 @@
 #define DT_FLASH_DEV_BASE_ADDRESS		DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME			DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_LABEL
 
-#define DT_USART_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_USART_40010000_BASE_ADDRESS
-#define DT_USART_GECKO_0_CURRENT_SPEED	DT_SILABS_GECKO_USART_40010000_CURRENT_SPEED
-#define DT_USART_GECKO_0_IRQ_RX		DT_SILABS_GECKO_USART_40010000_IRQ_0
-#define DT_USART_GECKO_0_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010000_IRQ_0_PRIORITY
-#define DT_USART_GECKO_0_IRQ_TX		DT_SILABS_GECKO_USART_40010000_IRQ_1
-#define DT_USART_GECKO_0_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010000_IRQ_1_PRIORITY
-#define DT_USART_GECKO_0_LABEL		DT_SILABS_GECKO_USART_40010000_LABEL
-#define DT_USART_GECKO_0_LOCATION		DT_SILABS_GECKO_USART_40010000_LOCATION
-#define DT_USART_GECKO_0_SIZE		DT_SILABS_GECKO_USART_40010000_SIZE
-
-#define DT_USART_GECKO_1_BASE_ADDRESS	DT_SILABS_GECKO_USART_40010400_BASE_ADDRESS
-#define DT_USART_GECKO_1_CURRENT_SPEED	DT_SILABS_GECKO_USART_40010400_CURRENT_SPEED
-#define DT_USART_GECKO_1_IRQ_RX		DT_SILABS_GECKO_USART_40010400_IRQ_0
-#define DT_USART_GECKO_1_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010400_IRQ_0_PRIORITY
-#define DT_USART_GECKO_1_IRQ_TX		DT_SILABS_GECKO_USART_40010400_IRQ_1
-#define DT_USART_GECKO_1_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010400_IRQ_1_PRIORITY
-#define DT_USART_GECKO_1_LABEL		DT_SILABS_GECKO_USART_40010400_LABEL
-#define DT_USART_GECKO_1_LOCATION		DT_SILABS_GECKO_USART_40010400_LOCATION
-#define DT_USART_GECKO_1_SIZE		DT_SILABS_GECKO_USART_40010400_SIZE
-
 #define DT_GPIO_GECKO_COMMON_NAME	DT_SILABS_EFR32XG1_GPIO_4000A400_LABEL
 #define DT_GPIO_GECKO_COMMON_EVEN_IRQ	DT_SILABS_EFR32XG1_GPIO_4000A400_IRQ_GPIO_EVEN
 #define DT_GPIO_GECKO_COMMON_EVEN_PRI	DT_SILABS_EFR32XG1_GPIO_4000A400_IRQ_GPIO_EVEN_PRIORITY
diff --git a/soc/arm/silabs_exx32/efr32fg1p/soc_pinmap.h b/soc/arm/silabs_exx32/efr32fg1p/soc_pinmap.h
index 454433634d0e4..b2cca5b90af94 100644
--- a/soc/arm/silabs_exx32/efr32fg1p/soc_pinmap.h
+++ b/soc/arm/silabs_exx32/efr32fg1p/soc_pinmap.h
@@ -17,13 +17,13 @@
 #include <em_gpio.h>
 
 #ifdef CONFIG_USART_GECKO_0
-#if (DT_USART_GECKO_0_LOCATION == 0)
+#if (DT_SILABS_GECKO_USART_USART_0_LOCATION == 0)
 #define PIN_USART0_TXD {gpioPortA, 0, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 1, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_LOCATION == 1)
+#elif (DT_SILABS_GECKO_USART_USART_0_LOCATION == 1)
 #define PIN_USART0_TXD {gpioPortA, 1, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 2, gpioModeInput, 1}
-#elif (DT_USART_GECKO_0_LOCATION == 2)
+#elif (DT_SILABS_GECKO_USART_USART_0_LOCATION == 2)
 #define PIN_USART0_TXD {gpioPortA, 2, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 3, gpioModeInput, 1}
 #else
@@ -32,15 +32,15 @@
 #endif /* CONFIG_USART_GECKO_0 */
 
 #ifdef CONFIG_USART_GECKO_1
-#if (DT_USART_GECKO_1_LOCATION == 0)
+#if (DT_SILABS_GECKO_USART_USART_1_LOCATION == 0)
 #error ("Serial Driver for Gecko MCUs not implemented for this location index")
-#elif (DT_USART_GECKO_1_LOCATION == 1)
+#elif (DT_SILABS_GECKO_USART_USART_1_LOCATION == 1)
 #define PIN_USART1_TXD {gpioPortF, 10, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortF, 11, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_LOCATION == 2)
+#elif (DT_SILABS_GECKO_USART_USART_1_LOCATION == 2)
 #define PIN_USART1_TXD {gpioPortB, 9, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortB, 10, gpioModeInput, 1}
-#elif (DT_USART_GECKO_1_LOCATION == 3)
+#elif (DT_SILABS_GECKO_USART_USART_1_LOCATION == 3)
 #define PIN_USART1_TXD {gpioPortE, 2, gpioModePushPull, 1}
 #define PIN_USART1_RXD {gpioPortE, 3, gpioModeInput, 1}
 #else
diff --git a/soc/arm/silabs_exx32/efr32mg12p/dts_fixup.h b/soc/arm/silabs_exx32/efr32mg12p/dts_fixup.h
index add39ff77db13..26f2c55adda3c 100644
--- a/soc/arm/silabs_exx32/efr32mg12p/dts_fixup.h
+++ b/soc/arm/silabs_exx32/efr32mg12p/dts_fixup.h
@@ -11,54 +11,6 @@
 #define DT_FLASH_DEV_BASE_ADDRESS		DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME			DT_SILABS_GECKO_FLASH_CONTROLLER_400E0000_LABEL
 
-#define DT_USART_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_USART_40010000_BASE_ADDRESS
-#define DT_USART_GECKO_0_CURRENT_SPEED	DT_SILABS_GECKO_USART_40010000_CURRENT_SPEED
-#define DT_USART_GECKO_0_IRQ_RX		DT_SILABS_GECKO_USART_40010000_IRQ_0
-#define DT_USART_GECKO_0_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010000_IRQ_0_PRIORITY
-#define DT_USART_GECKO_0_IRQ_TX		DT_SILABS_GECKO_USART_40010000_IRQ_1
-#define DT_USART_GECKO_0_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010000_IRQ_1_PRIORITY
-#define DT_USART_GECKO_0_LABEL		DT_SILABS_GECKO_USART_40010000_LABEL
-#define DT_USART_GECKO_0_LOCATION		DT_SILABS_GECKO_USART_40010000_LOCATION
-#define DT_USART_GECKO_0_SIZE		DT_SILABS_GECKO_USART_40010000_SIZE
-
-#define DT_USART_GECKO_1_BASE_ADDRESS	DT_SILABS_GECKO_USART_40010400_BASE_ADDRESS
-#define DT_USART_GECKO_1_CURRENT_SPEED	DT_SILABS_GECKO_USART_40010400_CURRENT_SPEED
-#define DT_USART_GECKO_1_IRQ_RX		DT_SILABS_GECKO_USART_40010400_IRQ_0
-#define DT_USART_GECKO_1_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010400_IRQ_0_PRIORITY
-#define DT_USART_GECKO_1_IRQ_TX		DT_SILABS_GECKO_USART_40010400_IRQ_1
-#define DT_USART_GECKO_1_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010400_IRQ_1_PRIORITY
-#define DT_USART_GECKO_1_LABEL		DT_SILABS_GECKO_USART_40010400_LABEL
-#define DT_USART_GECKO_1_LOCATION		DT_SILABS_GECKO_USART_40010400_LOCATION
-#define DT_USART_GECKO_1_SIZE		DT_SILABS_GECKO_USART_40010400_SIZE
-
-#define DT_USART_GECKO_2_BASE_ADDRESS	DT_SILABS_GECKO_USART_40010800_BASE_ADDRESS
-#define DT_USART_GECKO_2_CURRENT_SPEED	DT_SILABS_GECKO_USART_40010800_CURRENT_SPEED
-#define DT_USART_GECKO_2_IRQ_RX		DT_SILABS_GECKO_USART_40010800_IRQ_0
-#define DT_USART_GECKO_2_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010800_IRQ_0_PRIORITY
-#define DT_USART_GECKO_2_IRQ_TX		DT_SILABS_GECKO_USART_40010800_IRQ_1
-#define DT_USART_GECKO_2_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010800_IRQ_1_PRIORITY
-#define DT_USART_GECKO_2_LABEL		DT_SILABS_GECKO_USART_40010800_LABEL
-#define DT_USART_GECKO_2_LOCATION		DT_SILABS_GECKO_USART_40010800_LOCATION
-#define DT_USART_GECKO_2_SIZE		DT_SILABS_GECKO_USART_40010800_SIZE
-
-#define DT_USART_GECKO_3_BASE_ADDRESS	DT_SILABS_GECKO_USART_40010C00_BASE_ADDRESS
-#define DT_USART_GECKO_3_CURRENT_SPEED	DT_SILABS_GECKO_USART_40010C00_CURRENT_SPEED
-#define DT_USART_GECKO_3_IRQ_RX		DT_SILABS_GECKO_USART_40010C00_IRQ_0
-#define DT_USART_GECKO_3_IRQ_RX_PRIORITY	DT_SILABS_GECKO_USART_40010C00_IRQ_0_PRIORITY
-#define DT_USART_GECKO_3_IRQ_TX		DT_SILABS_GECKO_USART_40010C00_IRQ_1
-#define DT_USART_GECKO_3_IRQ_TX_PRIORITY	DT_SILABS_GECKO_USART_40010C00_IRQ_1_PRIORITY
-#define DT_USART_GECKO_3_LABEL		DT_SILABS_GECKO_USART_40010C00_LABEL
-#define DT_USART_GECKO_3_LOCATION		DT_SILABS_GECKO_USART_40010C00_LOCATION
-#define DT_USART_GECKO_3_SIZE		DT_SILABS_GECKO_USART_40010C00_SIZE
-
-#define DT_LEUART_GECKO_0_BASE_ADDRESS	DT_SILABS_GECKO_LEUART_4004A000_BASE_ADDRESS
-#define DT_LEUART_GECKO_0_CURRENT_SPEED	DT_SILABS_GECKO_LEUART_4004A000_CURRENT_SPEED
-#define DT_LEUART_GECKO_0_IRQ		DT_SILABS_GECKO_LEUART_4004A000_IRQ_0
-#define DT_LEUART_GECKO_0_IRQ_PRIORITY	DT_SILABS_GECKO_LEUART_4004A000_IRQ_0_PRIORITY
-#define DT_LEUART_GECKO_0_LABEL		DT_SILABS_GECKO_LEUART_4004A000_LABEL
-#define DT_LEUART_GECKO_0_LOCATION		DT_SILABS_GECKO_LEUART_4004A000_LOCATION
-#define DT_LEUART_GECKO_0_SIZE		DT_SILABS_GECKO_LEUART_4004A000_SIZE
-
 #define DT_GPIO_GECKO_COMMON_NAME		DT_SILABS_EFR32MG_GPIO_4000A400_LABEL
 #define DT_GPIO_GECKO_COMMON_EVEN_IRQ	DT_SILABS_EFR32MG_GPIO_4000A400_IRQ_GPIO_EVEN
 #define DT_GPIO_GECKO_COMMON_EVEN_PRI	DT_SILABS_EFR32MG_GPIO_4000A400_IRQ_GPIO_EVEN_PRIORITY
@@ -72,20 +24,4 @@
 #define DT_GPIO_GECKO_PORTE_NAME	DT_SILABS_EFR32MG_GPIO_PORT_4000A0C0_LABEL
 #define DT_GPIO_GECKO_PORTF_NAME	DT_SILABS_EFR32MG_GPIO_PORT_4000A0F0_LABEL
 
-#define DT_I2C_GECKO_0_BASE_ADDRESS		DT_SILABS_GECKO_I2C_4000C000_BASE_ADDRESS
-#define DT_I2C_GECKO_0_CLOCK_FREQUENCY	DT_SILABS_GECKO_I2C_4000C000_CLOCK_FREQUENCY
-#define DT_I2C_GECKO_0_IRQ			DT_SILABS_GECKO_I2C_4000C000_IRQ_0
-#define DT_I2C_GECKO_0_IRQ_PRIORITY		DT_SILABS_GECKO_I2C_4000C000_IRQ_0_PRIORITY
-#define DT_I2C_GECKO_0_LABEL		DT_SILABS_GECKO_I2C_4000C000_LABEL
-#define DT_I2C_GECKO_0_LOCATION		DT_SILABS_GECKO_I2C_4000C000_LOCATION
-#define DT_I2C_GECKO_0_SIZE			DT_SILABS_GECKO_I2C_4000C000_SIZE
-
-#define DT_I2C_GECKO_1_BASE_ADDRESS		DT_SILABS_GECKO_I2C_4000C400_BASE_ADDRESS
-#define DT_I2C_GECKO_1_CLOCK_FREQUENCY	DT_SILABS_GECKO_I2C_4000C400_CLOCK_FREQUENCY
-#define DT_I2C_GECKO_1_IRQ			DT_SILABS_GECKO_I2C_4000C400_IRQ_0
-#define DT_I2C_GECKO_1_IRQ_PRIORITY		DT_SILABS_GECKO_I2C_4000C400_IRQ_0_PRIORITY
-#define DT_I2C_GECKO_1_LABEL		DT_SILABS_GECKO_I2C_4000C400_LABEL
-#define DT_I2C_GECKO_1_LOCATION		DT_SILABS_GECKO_I2C_4000C400_LOCATION
-#define DT_I2C_GECKO_1_SIZE			DT_SILABS_GECKO_I2C_4000C400_SIZE
-
 /* End of SoC Level DTS fixup file */
diff --git a/soc/arm/silabs_exx32/efr32mg12p/soc_pinmap.h b/soc/arm/silabs_exx32/efr32mg12p/soc_pinmap.h
index 0bf816b5c1e12..75d5abb615546 100644
--- a/soc/arm/silabs_exx32/efr32mg12p/soc_pinmap.h
+++ b/soc/arm/silabs_exx32/efr32mg12p/soc_pinmap.h
@@ -17,7 +17,7 @@
 
 #ifdef CONFIG_UART_GECKO
 #ifdef CONFIG_USART_GECKO_0
-#if (DT_USART_GECKO_0_LOCATION == 0)
+#if (DT_SILABS_GECKO_USART_USART_0_LOCATION == 0)
 #define PIN_USART0_TXD {gpioPortA, 0, gpioModePushPull, 1}
 #define PIN_USART0_RXD {gpioPortA, 1, gpioModeInput, 0}
 #else
@@ -28,7 +28,7 @@
 
 #ifdef CONFIG_LEUART_GECKO
 #ifdef CONFIG_LEUART_GECKO_0
-#if (DT_LEUART_GECKO_0_LOCATION == 27)
+#if (DT_SILABS_GECKO_LEUART_LEUART_0_LOCATION == 27)
 #define PIN_LEUART0_TXD {gpioPortF, 3, gpioModePushPull, 1}
 #define PIN_LEUART0_RXD {gpioPortF, 4, gpioModeInput, 1}
 #else
@@ -39,7 +39,7 @@
 
 #ifdef CONFIG_I2C_GECKO
 #ifdef CONFIG_I2C_0
-#if (DT_I2C_GECKO_0_LOCATION == 15)
+#if (DT_SILABS_GECKO_I2C_I2C_0_LOCATION == 15)
 #define PIN_I2C0_SDA {gpioPortC, 10, gpioModeWiredAnd, 1}
 #define PIN_I2C0_SCL {gpioPortC, 11, gpioModeWiredAnd, 1}
 #else
@@ -48,7 +48,7 @@
 #endif /* CONFIG_I2C_0 */
 
 #ifdef CONFIG_I2C_1
-#if (DT_I2C_GECKO_1_LOCATION == 17)
+#if (DT_SILABS_GECKO_I2C_I2C_1_LOCATION == 17)
 #define PIN_I2C1_SDA {gpioPortC, 4, gpioModeWiredAnd, 1}
 #define PIN_I2C1_SCL {gpioPortC, 5, gpioModeWiredAnd, 1}
 #else