diff --git a/boards/arm/cc1352r1_launchxl/cc1352r1_launchxl.dts b/boards/arm/cc1352r1_launchxl/cc1352r1_launchxl.dts
index b1a53115c70..510fe9cd098 100644
--- a/boards/arm/cc1352r1_launchxl/cc1352r1_launchxl.dts
+++ b/boards/arm/cc1352r1_launchxl/cc1352r1_launchxl.dts
@@ -9,6 +9,13 @@
 #include <ti/cc1352r.dtsi>
 #include "boosterpack_connector.dtsi"
 
+/*
+ * Define some constants from driverlib/ioc.h in TI HAL,
+ * since we don't have a way to include the file directly.
+ */
+#define IOC_PORT_MCU_UART0_TX 0x00000010
+#define IOC_PORT_MCU_UART0_RX 0x0000000F
+
 #define BTN_GPIO_FLAGS (GPIO_ACTIVE_LOW | GPIO_PULL_UP)
 
 / {
@@ -69,8 +76,8 @@
 &uart0 {
 	status = "okay";
 	current-speed = <115200>;
-	tx-pin = <13>;
-	rx-pin = <12>;
+	tx-pin = <13 IOC_PORT_MCU_UART0_TX>;
+	rx-pin = <12 IOC_PORT_MCU_UART0_RX>;
 };
 
 &i2c0 {
diff --git a/boards/arm/cc26x2r1_launchxl/cc26x2r1_launchxl.dts b/boards/arm/cc26x2r1_launchxl/cc26x2r1_launchxl.dts
index 21ee3683fd4..5d996275d29 100644
--- a/boards/arm/cc26x2r1_launchxl/cc26x2r1_launchxl.dts
+++ b/boards/arm/cc26x2r1_launchxl/cc26x2r1_launchxl.dts
@@ -9,6 +9,13 @@
 #include <ti/cc2652r.dtsi>
 #include "boosterpack_connector.dtsi"
 
+/*
+ * Define some constants from driverlib/ioc.h in TI HAL,
+ * since we don't have a way to include the file directly.
+ */
+#define IOC_PORT_MCU_UART0_TX 0x00000010
+#define IOC_PORT_MCU_UART0_RX 0x0000000F
+
 #define BTN_GPIO_FLAGS (GPIO_ACTIVE_LOW | GPIO_PULL_UP)
 
 / {
@@ -69,8 +76,8 @@
 &uart0 {
 	status = "okay";
 	current-speed = <115200>;
-	tx-pin = <3>;
-	rx-pin = <2>;
+	tx-pin = <3 IOC_PORT_MCU_UART0_TX>;
+	rx-pin = <2 IOC_PORT_MCU_UART0_RX>;
 };
 
 &i2c0 {
diff --git a/drivers/serial/uart_cc13xx_cc26xx.c b/drivers/serial/uart_cc13xx_cc26xx.c
index 8c29cecce63..5b9736bbf5f 100644
--- a/drivers/serial/uart_cc13xx_cc26xx.c
+++ b/drivers/serial/uart_cc13xx_cc26xx.c
@@ -19,6 +19,11 @@
 #include <ti/drivers/Power.h>
 #include <ti/drivers/power/PowerCC26X2.h>
 
+#define GET_PIN(n, pin_name) \
+	DT_INST_PROP_BY_IDX(n, pin_name, 0)
+#define GET_PORT(n, pin_name) \
+	DT_INST_PROP_BY_IDX(n, pin_name, 1)
+
 struct uart_cc13xx_cc26xx_data {
 	struct uart_config uart_config;
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
@@ -534,10 +539,10 @@ static int uart_cc13xx_cc26xx_init_0(struct device *dev)
 	}
 #endif
 	/* Configure IOC module to map UART signals to pins */
-	IOCPortConfigureSet(DT_PROP(DT_NODELABEL(uart0), tx_pin),
-			    IOC_PORT_MCU_UART0_TX, IOC_STD_OUTPUT);
-	IOCPortConfigureSet(DT_PROP(DT_NODELABEL(uart0), rx_pin),
-			    IOC_PORT_MCU_UART0_RX, IOC_STD_INPUT);
+	IOCPortConfigureSet(GET_PIN(0, tx_pin), GET_PORT(0, tx_pin),
+		IOC_STD_OUTPUT);
+	IOCPortConfigureSet(GET_PIN(0, rx_pin), GET_PORT(0, rx_pin),
+		IOC_STD_INPUT);
 
 	/* Configure and enable UART */
 	ret = uart_cc13xx_cc26xx_configure(dev,
@@ -637,10 +642,10 @@ static int uart_cc13xx_cc26xx_init_1(struct device *dev)
 #endif
 
 	/* Configure IOC module to map UART signals to pins */
-	IOCPortConfigureSet(DT_PROP(DT_NODELABEL(uart1), tx_pin),
-			    IOC_PORT_MCU_UART1_TX, IOC_STD_OUTPUT);
-	IOCPortConfigureSet(DT_PROP(DT_NODELABEL(uart1), rx_pin),
-			    IOC_PORT_MCU_UART1_RX, IOC_STD_INPUT);
+	IOCPortConfigureSet(GET_PIN(1, tx_pin), GET_PORT(1, tx_pin),
+		IOC_STD_OUTPUT);
+	IOCPortConfigureSet(GET_PIN(1, rx_pin), GET_PORT(1, rx_pin),
+		IOC_STD_INPUT);
 
 	/* Configure and enable UART */
 	ret = uart_cc13xx_cc26xx_configure(dev,
diff --git a/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml b/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
index e5a04eb35cf..c6f4ad5fb59 100644
--- a/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
+++ b/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
@@ -15,11 +15,11 @@ properties:
       required: true
 
     tx-pin:
-      type: int
+      type: array
       required: true
       description: TX pin
 
     rx-pin:
-      type: int
+      type: array
       required: true
       description: RX pin