1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso
new file mode 100644
index 000000000000..672d748fcc67
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * DT-overlay to run the PCIe3_4L Dual Mode controller in Endpoint mode
+ * in the SRNS (Separate Reference Clock No Spread) configuration.
+ *
+ * NOTE: If using a setup with two ROCK 5B:s, with one board running in
+ * RC mode and the other board running in EP mode, see also the device
+ * tree overlay: rk3588-rock-5b-pcie-srns.dtso.
+ */
+
+/dts-v1/;
+/plugin/;
+
+&pcie30phy {
+	rockchip,rx-common-refclk-mode = <0 0 0 0>;
+};
+
+&pcie3x4 {
+	status = "disabled";
+};
+
+&pcie3x4_ep {
+	vpcie3v3-supply = <&vcc3v3_pcie30>;
+	status = "okay";
+};