diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 4ff334563599..d25d16c3681f 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -230,6 +230,27 @@ timer {
 	};
 };
 
+&pcie_ep {
+	pinctrl-names = "default", "init";
+	pinctrl-0 = <&pcie_pins_a>;
+	pinctrl-1 = <&pcie_init_pins_a>;
+	reset-gpios = <&gpioj 8 GPIO_ACTIVE_LOW>;
+	status = "disabled";
+};
+
+&pcie_rc {
+	pinctrl-names = "default", "init", "sleep";
+	pinctrl-0 = <&pcie_pins_a>;
+	pinctrl-1 = <&pcie_init_pins_a>;
+	pinctrl-2 = <&pcie_sleep_pins_a>;
+	status = "okay";
+
+	pcie@0,0 {
+		 reset-gpios = <&gpioj 8 GPIO_ACTIVE_LOW>;
+		 wake-gpios = <&gpioh 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+	};
+};
+
 &rtc {
 	status = "okay";
 };