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ARM: dts: imx6sx: Add Root Port node and PERST property

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Since describing the PCIe PERST# property under Host Bridge node is now
deprecated, it is recommended to add it to the Root Port node, so
creating the Root Port node and add the reset-gpios property in Root
Port.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
This commit is contained in:
Sherry Sun 2026-04-22 17:35:43 +08:00 committed by Frank Li
parent 9dc3953217
commit f96840444d
2 changed files with 16 additions and 0 deletions
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5
arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
View File

@ -282,11 +282,16 @@ codec: wm8962@1a {
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
/* This property is deprecated, use reset-gpios from the Root Port node. */
reset-gpio = <&gpio2 0 GPIO_ACTIVE_LOW>;
vpcie-supply = <&reg_pcie_gpio>;
status = "okay";
};
&pcie_port0 {
reset-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
};
&lcdif1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcd>;

11
arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
View File

@ -1470,6 +1470,17 @@ pcie: pcie@8ffc000 {
power-domains = <&pd_disp>, <&pd_pci>;
power-domain-names = "pcie", "pcie_phy";
status = "disabled";
pcie_port0: pcie@0 {
compatible = "pciclass,0604";
device_type = "pci";
reg = <0x0 0x0 0x0 0x0 0x0>;
bus-range = <0x01 0xff>;
#address-cells = <3>;
#size-cells = <2>;
ranges;
};
};
};
};