From: Frank Li <Frank.Li@nxp.com>
Date: Tue, 1 Oct 2024 18:37:47 +0000 (-0400)
Subject: arm64: dts: imx8mp-evk: add PCIe Endpoint function overlay file
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4a0dc71f7bde15fde010224ecef99ef95c4f1f4c;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: imx8mp-evk: add PCIe Endpoint function overlay file

PCIe of i.MX8MP is dual role PCIe controller, which can work as root
complex (RC) mode and endpoint (EP) mode. Add overlay file to let it work
as EP 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 13d6ba52bf3c..0377e0969ce9 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -210,7 +210,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-mallow.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-yavia.dtb
 
 imx8mp-evk-mx8-dlvds-lcd1-dtbs += imx8mp-evk.dtb imx8mp-evk-mx8-dlvds-lcd1.dtbo
+imx8mp-evk-pcie-ep-dtbs += imx8mp-evk.dtb imx8mp-evk-pcie-ep.dtbo
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk-mx8-dlvds-lcd1.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk-pcie-ep.dtb
 
 imx8mp-tqma8mpql-mba8mpxl-lvds-dtbs += imx8mp-tqma8mpql-mba8mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds.dtbo
 imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01-dtbs += imx8mp-tqma8mpql-mba8mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk-pcie-ep.dtso b/arch/arm64/boot/dts/freescale/imx8mp-evk-pcie-ep.dtso
new file mode 100644
index 000000000000..244e820699b5
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk-pcie-ep.dtso
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 NXP
+ */
+
+/dts-v1/;
+/plugin/;
+
+&pcie {
+	status = "disabled";
+};
+
+&pcie_ep {
+	pinctrl-0 = <&pinctrl_pcie0>;
+	pinctrl-names = "default";
+	status = "okay";
+};