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-rw-r--r--arch/arm64/boot/dts/rockchip/Makefile2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso25
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso16
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 5775cdd4d056..adfb168759dd 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -129,6 +129,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-ok3588-c.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-orangepi-5-plus.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-quartzpro64.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b-pcie-ep.dtbo
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b-pcie-srns.dtbo
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-tiger-haikou.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-toybrick-x0.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-turing-rk1.dtb
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";
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso
new file mode 100644
index 000000000000..1a0f1af65c43
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * DT-overlay to run the PCIe3_4L Dual Mode controller in Root Complex
+ * mode in the SRNS (Separate Reference Clock No Spread) configuration.
+ *
+ * This device tree overlay is only needed (on the RC side) when running
+ * a setup with two ROCK 5B:s, with one board running in RC mode and the
+ * other board running in EP mode.
+ */
+
+/dts-v1/;
+/plugin/;
+
+&pcie30phy {
+ rockchip,rx-common-refclk-mode = <0 0 0 0>;
+};