diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
index 83525949aafd..8bbde4f3cde0 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
@@ -13,6 +13,10 @@ / {
 	compatible = "ti,am625-sk", "ti,am625";
 	model = "Texas Instruments AM625 SK";
 
+	aliases {
+		serial4 = &main_uart1;
+	};
+
 	opp-table {
 		/* Add 1.4GHz OPP for am625-sk board. Requires VDD_CORE to be at 0.85V */
 		opp-1400000000 {
@@ -201,6 +205,33 @@ main_wlirq_pins_default: main-wlirq-pins-default {
 			AM62X_IOPAD(0x128, PIN_INPUT, 7) /* (B23) MMC2_SDWP.GPIO0_72 */
 		>;
 	};
+
+	main_uart1_pins_default: main-uart1-pins-default {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19) MCASP0_AFSR.UART1_RXD */
+			AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20) MCASP0_ACLKR.UART1_TXD */
+			AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19) MCASP0_AXR2.UART1_RTSn */
+			AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19) MCASP0_AXR3.UART1_CTSn */
+		>;
+	};
+};
+
+&main_uart1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart1_pins_default &mcu_bt_en_pins_default>;
+
+	bluetooth {
+		enable-gpios = <&mcu_gpio0 0 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&mcu_pmx0 {
+	mcu_bt_en_pins_default: bt-en-pins-default {
+		pinctrl-single,pins = <
+			AM62X_MCU_IOPAD(0x000, PIN_OUTPUT, 7) /* MCU_SPI0_CS0.MCU_GPIO0_0 */ 
+		>;
+	};
 };
 
 &main_i2c1 {
@@ -229,6 +260,13 @@ exp1: gpio@22 {
 
 		pinctrl-names = "default";
 		pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
+
+		buf_en {
+			gpio-hog;
+			gpios = <10 GPIO_ACTIVE_LOW>;
+			output-high;
+			line-name = "UART1_BUF_EN";
+		};
 	};
 };