[PATCH 04/10] arm: dts: imx6sx: Add Root Port node and move PERST property to Root Port node
Sherry Sun
sherry.sun at nxp.com
Mon Jan 19 02:02:29 PST 2026
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 move the reset-gpios property.
Signed-off-by: Sherry Sun <sherry.sun at nxp.com>
---
arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi | 5 ++++-
arch/arm/boot/dts/nxp/imx/imx6sx.dtsi | 11 +++++++++++
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
index 3e238d8118fa..a4170486529f 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
@@ -282,11 +282,14 @@ codec: wm8962 at 1a {
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
- reset-gpio = <&gpio2 0 GPIO_ACTIVE_LOW>;
vpcie-supply = <®_pcie_gpio>;
status = "okay";
};
+&pcie_port0 {
+ reset-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
+};
+
&lcdif1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcd>;
diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
index 5132b575b001..c04436f4cf0d 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
@@ -1470,6 +1470,17 @@ pcie: pcie at 8ffc000 {
power-domains = <&pd_disp>, <&pd_pci>;
power-domain-names = "pcie", "pcie_phy";
status = "disabled";
+
+ pcie_port0: pcie at 0 {
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ bus-range = <0x01 0xff>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
};
};
};
--
2.37.1
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