| Message ID | 20241001183748.256607-1-Frank.Li@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/1] arm64: dts: imx8mp-evk: add PCIe Endpoint function overlay file | expand |
On Tue, Oct 01, 2024 at 02:37:47PM -0400, Frank Li wrote: > 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> Applied, thanks!
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 9d3df8b218a2e..0d8cf020ec2dd 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -197,7 +197,9 @@ 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 0000000000000..400e36db9dccf --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk-pcie-ep.dtso @@ -0,0 +1,18 @@ +// 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"; +}; +
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> --- arch/arm64/boot/dts/freescale/Makefile | 2 ++ .../boot/dts/freescale/imx8mp-evk-pcie-ep.dtso | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-evk-pcie-ep.dtso