arm64: dts: imx8q: add PCIe EP overlay file for i.MX8QXP mek board

Add PCIe EP overlay file for i.MX8QXP mek board to let PCI work as endpoint
mode.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 839432153cc7ae15d3c1e668c0cb192d5563b996..9bd32ec898c259a09fbb7b4901776db1c5ba4809 100644 (file)
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -267,6 +267,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-eval-v3.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris-v2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
+
+imx8qxp-mek-pcie-ep-dtbs += imx8qxp-mek.dtb imx8qxp-mek-pcie-ep.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek-pcie-ep.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek-pcie-ep.dtso b/arch/arm64/boot/dts/freescale/imx8qxp-mek-pcie-ep.dtso
new file mode 100644 (file)
index 0000000..4f562eb
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek-pcie-ep.dtso
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2025 NXP
+ */
+
+#include <dt-bindings/phy/phy.h>
+
+/dts-v1/;
+/plugin/;
+
+&pcieb {
+       status = "disabled";
+};
+
+&pcieb_ep {
+       phys = <&hsio_phy 0 PHY_TYPE_PCIE 0>;
+       phy-names = "pcie-phy";
+       pinctrl-0 = <&pinctrl_pcieb>;
+       pinctrl-names = "default";
+       vpcie-supply = <&reg_pcieb>;
+       status = "okay";
+};