diff --git a/qcom/tuna-pinctrl.dtsi b/qcom/tuna-pinctrl.dtsi
index f0567b81..83a10696 100644
--- a/qcom/tuna-pinctrl.dtsi
+++ b/qcom/tuna-pinctrl.dtsi
@@ -4,4 +4,44 @@
  */
 
 &tlmm {
+	qupv3_se7_2uart_pins: qupv3_se7_2uart_pins {
+		qupv3_se7_2uart_tx_active: qupv3_se7_2uart_tx_active {
+			mux {
+				pins = "gpio30";
+				function = "qup1_se7_l2";
+			};
+
+			config {
+				pins = "gpio30";
+				drive-strength = <2>;
+				bias-disable;
+			};
+		};
+
+		qupv3_se7_2uart_rx_active: qupv3_se7_2uart_rx_active {
+			mux {
+				pins = "gpio31";
+				function = "qup1_se7_l3";
+			};
+
+			config {
+				pins = "gpio31";
+				drive-strength = <2>;
+				bias-disable;
+			};
+		};
+
+		qupv3_se7_2uart_sleep: qupv3_se7_2uart_sleep {
+			mux {
+				pins = "gpio30", "gpio31";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio30", "gpio31";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+	};
 };
diff --git a/qcom/tuna-qupv3.dtsi b/qcom/tuna-qupv3.dtsi
new file mode 100644
index 00000000..f7100943
--- /dev/null
+++ b/qcom/tuna-qupv3.dtsi
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+&soc {
+	/* QUPv3_1 Wrapper Instance */
+	qupv3_1: qcom,qupv3_1_geni_se@ac0000 {
+		compatible = "qcom,geni-se-qup";
+		reg = <0xac0000 0x2000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		clock-names = "m-ahb", "s-ahb";
+		clocks = <&gcc GCC_QUPV3_WRAP_1_M_AHB_CLK>,
+			<&gcc GCC_QUPV3_WRAP_1_S_AHB_CLK>;
+		ranges;
+		status = "ok";
+
+		/* Debug UART Instance */
+		qupv3_se7_2uart: qcom,qup_uart@a9c000 {
+			compatible = "qcom,geni-debug-uart";
+			reg = <0xA9C000 0x4000>;
+			reg-names = "se_phys";
+			interrupts = <GIC_SPI 579 IRQ_TYPE_LEVEL_HIGH>;
+			clock-names = "se";
+			clocks = <&gcc GCC_QUPV3_WRAP1_S7_CLK>;
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&qupv3_se7_2uart_tx_active>, <&qupv3_se7_2uart_rx_active>;
+			pinctrl-1 = <&qupv3_se7_2uart_sleep>;
+			status = "disabled";
+		};
+	};
+};
diff --git a/qcom/tuna-rumi.dtsi b/qcom/tuna-rumi.dtsi
index d378dc43..7ece493c 100644
--- a/qcom/tuna-rumi.dtsi
+++ b/qcom/tuna-rumi.dtsi
@@ -46,3 +46,7 @@
 &disp_rsc {
 	status = "disabled";
 };
+
+&qupv3_se7_2uart {
+	qcom,rumi_platform;
+};
diff --git a/qcom/tuna.dtsi b/qcom/tuna.dtsi
index 23941f21..b049e46f 100644
--- a/qcom/tuna.dtsi
+++ b/qcom/tuna.dtsi
@@ -38,7 +38,9 @@
 
 	firmware: firmware {};
 
-	aliases {};
+	aliases {
+		serial0 = &qupv3_se7_2uart;
+	};
 
 	cpus {
 		#address-cells = <2>;
@@ -695,3 +697,8 @@
 #include "tuna-pinctrl.dtsi"
 #include "tuna-stub-regulators.dtsi"
 #include "tuna-usb.dtsi"
+#include "tuna-qupv3.dtsi"
+
+&qupv3_se7_2uart {
+	status = "ok";
+};