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From: Sherry Sun <sherry.sun@nxp.com>
To: hongxing.zhu@nxp.com, l.stach@pengutronix.de, Frank.Li@nxp.com,
	bhelgaas@google.com, lpieralisi@kernel.org,
	kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org, s.hauer@pengutronix.de,
	festevam@gmail.com
Cc: imx@lists.linux.dev, kernel@pengutronix.de,
	linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH V7 07/13] arm: dts: imx6sx: Add Root Port node and PERST property
Date: Tue, 10 Mar 2026 09:54:20 +0800	[thread overview]
Message-ID: <20260310015426.365675-8-sherry.sun@nxp.com> (raw)
In-Reply-To: <20260310015426.365675-1-sherry.sun@nxp.com>

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>
---
 arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi |  5 +++++
 arch/arm/boot/dts/nxp/imx/imx6sx.dtsi     | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
index 3e238d8118fa..338de4d144b2 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi
@@ -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>;
diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
index 1426f357d474..d42363cb5105 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@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;
+			};
 		};
 	};
 };
-- 
2.37.1



  parent reply	other threads:[~2026-03-10  2:09 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-10  1:54 [PATCH V7 00/13] pci-imx6: Add support for parsing the reset property in new Root Port binding Sherry Sun
2026-03-10  1:54 ` [PATCH V7 01/13] dt-bindings: PCI: fsl,imx6q-pcie: Add reset GPIO in Root Port node Sherry Sun
2026-03-10  1:54 ` [PATCH V7 02/13] PCI: host-generic: Add common helpers for parsing Root Port properties Sherry Sun
2026-03-10 18:28   ` Frank Li
2026-03-11 10:03     ` Sherry Sun
2026-03-11 15:47       ` Frank Li
2026-03-12  2:04         ` Sherry Sun
2026-03-10  1:54 ` [PATCH V7 03/13] PCI: dwc: Parse Root Port nodes in dw_pcie_host_init() Sherry Sun
2026-03-10  1:54 ` [PATCH V7 04/13] PCI: imx6: Assert PERST# before enabling regulators Sherry Sun
2026-03-10 15:23   ` Frank Li
2026-03-11  7:09     ` Sherry Sun
2026-03-10  1:54 ` [PATCH V7 05/13] PCI: imx6: Add support for parsing the reset property in new Root Port binding Sherry Sun
2026-03-10  1:54 ` [PATCH V7 06/13] arm: dts: imx6qdl: Add Root Port node and PERST property Sherry Sun
2026-03-10  1:54 ` Sherry Sun [this message]
2026-03-10  1:54 ` [PATCH V7 08/13] arm: dts: imx7d: " Sherry Sun
2026-03-10  1:54 ` [PATCH V7 09/13] arm64: dts: imx8mm: " Sherry Sun
2026-03-10  1:54 ` [PATCH V7 10/13] arm64: dts: imx8mp: " Sherry Sun
2026-03-10  1:54 ` [PATCH V7 11/13] arm64: dts: imx8mq: " Sherry Sun
2026-03-10  1:54 ` [PATCH V7 12/13] arm64: dts: imx8dxl/qm/qxp: " Sherry Sun
2026-03-10  1:54 ` [PATCH V7 13/13] arm64: dts: imx95: " Sherry Sun
2026-03-10 19:12 ` [PATCH V7 00/13] pci-imx6: Add support for parsing the reset property in new Root Port binding Bjorn Helgaas
2026-03-11  6:06   ` Sherry Sun

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