diff --git a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
index 6894f8490dae..6e2f7ae1d621 100644
--- a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
@@ -17,7 +17,7 @@ / {
 	compatible = "qcom,sm8250-mtp";
 
 	aliases {
-		serial0 = &uart2;
+		serial0 = &uart12;
 	};
 
 	chosen {
@@ -371,7 +371,7 @@ &tlmm {
 	gpio-reserved-ranges = <28 4>, <40 4>;
 };
 
-&uart2 {
+&uart12 {
 	status = "okay";
 };
 
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index b82d8f40fa42..c9021685e03d 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -936,11 +936,13 @@ spi12: spi@a90000 {
 				status = "disabled";
 			};
 
-			uart2: serial@a90000 {
+			uart12: serial@a90000 {
 				compatible = "qcom,geni-debug-uart";
 				reg = <0x0 0x00a90000 0x0 0x4000>;
 				clock-names = "se";
 				clocks = <&gcc GCC_QUPV3_WRAP1_S4_CLK>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&qup_uart12_default>;
 				interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};
@@ -1881,6 +1883,13 @@ config {
 					bias-disable;
 				};
 			};
+
+			qup_uart12_default: qup-uart12-default {
+				mux {
+					pins = "gpio34", "gpio35";
+					function = "qup12";
+				};
+			};
 		};
 
 		adsp: remoteproc@17300000 {