Re: [PATCH 03/10] arm: dts: imx6qdl: Add Root Port node and move PERST property to Root Port node
From: Frank Li <Frank.li@nxp.com>
Date: 2026-01-19 16:24:20
Also in:
imx, linux-arm-kernel, linux-pci, lkml
On Mon, Jan 19, 2026 at 06:02:28PM +0800, Sherry Sun wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi | 5 ++++- arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi | 11 +++++++++++ arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts | 5 ++++- 3 files changed, 19 insertions(+), 2 deletions(-)diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi index ba29720e3f72..c64c8cbd0038 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi@@ -754,11 +754,14 @@ lvds0_out: endpoint { &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; - reset-gpio = <&gpio7 12 GPIO_ACTIVE_LOW>;
Generally, don't remove old property to keep back comaptiblity. You can add comments here if you want. Frank
quoted hunk ↗ jump to hunk
vpcie-supply = <®_pcie>; status = "okay"; }; +&pcie_port0 { + reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; +}; + &pwm1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm1>;diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi index 9793feee6394..c03deb2cdfab 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi@@ -287,6 +287,17 @@ pcie: pcie@1ffc000 { <&clks IMX6QDL_CLK_PCIE_REF_125M>; clock-names = "pcie", "pcie_bus", "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; + }; }; aips1: bus@2000000 { /* AIPS1 */diff --git a/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts b/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts index c5b220aeaefd..c35c24623d36 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts@@ -45,10 +45,13 @@ MX6QDL_PAD_GPIO_6__ENET_IRQ 0x000b1 }; &pcie { - reset-gpio = <&max7310_c 5 GPIO_ACTIVE_LOW>; status = "okay"; }; +&pcie_port0 { + reset-gpios = <&max7310_c 5 GPIO_ACTIVE_LOW>; +}; + &sata { status = "okay"; }; --2.37.1