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arm64: dts: imx95: 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 17:35:49 +08:00 committed by Frank Li
parent 5e5bcc5a80
commit 7db62ff5f4
3 changed files with 37 additions and 0 deletions
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5
arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
View File

@ -553,6 +553,7 @@ &netcmix_blk_ctrl {
&pcie0 {
pinctrl-0 = <&pinctrl_pcie0>;
pinctrl-names = "default";
/* This property is deprecated, use reset-gpios from the Root Port node. */
reset-gpio = <&gpio5 13 GPIO_ACTIVE_LOW>;
vpcie-supply = <&reg_m2_pwr>;
vpcie3v3aux-supply = <&reg_m2_pwr>;
@ -567,6 +568,10 @@ &pcie0_ep {
status = "disabled";
};
&pcie0_port0 {
reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
};
&sai1 {
assigned-clocks = <&scmi_clk IMX95_CLK_AUDIOPLL1_VCO>,
<&scmi_clk IMX95_CLK_AUDIOPLL2_VCO>,

10
arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
View File

@ -540,6 +540,7 @@ &netc_timer {
&pcie0 {
pinctrl-0 = <&pinctrl_pcie0>;
pinctrl-names = "default";
/* This property is deprecated, use reset-gpios from the Root Port node. */
reset-gpio = <&i2c7_pcal6524 5 GPIO_ACTIVE_LOW>;
vpcie-supply = <&reg_pcie0>;
vpcie3v3aux-supply = <&reg_pcie0>;
@ -554,9 +555,14 @@ &pcie0_ep {
status = "disabled";
};
&pcie0_port0 {
reset-gpios = <&i2c7_pcal6524 5 GPIO_ACTIVE_LOW>;
};
&pcie1 {
pinctrl-0 = <&pinctrl_pcie1>;
pinctrl-names = "default";
/* This property is deprecated, use reset-gpios from the Root Port node. */
reset-gpio = <&i2c7_pcal6524 16 GPIO_ACTIVE_LOW>;
vpcie-supply = <&reg_slot_pwr>;
vpcie3v3aux-supply = <&reg_slot_pwr>;
@ -570,6 +576,10 @@ &pcie1_ep {
status = "disabled";
};
&pcie1_port0 {
reset-gpios = <&i2c7_pcal6524 16 GPIO_ACTIVE_LOW>;
};
&sai1 {
#sound-dai-cells = <0>;
pinctrl-names = "default";

22
arch/arm64/boot/dts/freescale/imx95.dtsi
View File

@ -1974,6 +1974,17 @@ pcie0: pcie@4c300000 {
iommu-map-mask = <0x1ff>;
fsl,max-link-speed = <3>;
status = "disabled";
pcie0_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;
};
};
pcie0_ep: pcie-ep@4c300000 {
@ -2051,6 +2062,17 @@ pcie1: pcie@4c380000 {
iommu-map-mask = <0x1ff>;
fsl,max-link-speed = <3>;
status = "disabled";
pcie1_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;
};
};
pcie1_ep: pcie-ep@4c380000 {