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

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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>
This commit is contained in:
Frank Li 2024-10-01 14:37:47 -04:00 committed by Shawn Guo
parent a8fe6c8dfc
commit 4a0dc71f7b
2 changed files with 19 additions and 0 deletions
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2
arch/arm64/boot/dts/freescale/Makefile
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@ -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

17
arch/arm64/boot/dts/freescale/imx8mp-evk-pcie-ep.dtso Normal file
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@ -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";
};