[PATCH 3/5] arm64: dts: imx8q: add PCIe EP overlay file for i.MX8QXP mek board

Frank Li
2025-01-28T21:20:42Z

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>
---
arch/arm64/boot/dts/freescale/Makefile | 4 ++++
.../dts/freescale/imx8qxp-mek-pcie-ep.dtso | 22 +++++++++++++++++++
2 files changed, 26 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8qxp-mek-pcie-ep.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 839432153cc7a..9bd32ec898c25 100644
--- 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
index 0000000000000..4f562eb5c5b1d
--- /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";
+};
--
2.34.1