[PATCH 06/10] arm64: dts: imx8mm: Add Root Port node and move PERST property to Root Port node

[Sherry Sun]

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/arm64/boot/dts/freescale/imx8mm-evk.dtsi |  5 ++++-
 arch/arm64/boot/dts/freescale/imx8mm.dtsi     | 11 +++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 6eab8a6001db..9cd5c4087c86 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -533,7 +533,6 @@ &pcie_phy {
 &pcie0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pcie0>;
-	reset-gpio = <&gpio4 21 GPIO_ACTIVE_LOW>;
 	clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,
 		 <&clk IMX8MM_CLK_PCIE1_AUX>;
 	assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
@@ -559,6 +558,10 @@ &pcie0_ep {
 	status = "disabled";
 };
 
+&pcie0_port0 {
+	reset-gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
+};
+
 &sai2 {
 	#sound-dai-cells = <0>;
 	pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 9f49c0b386d3..1204cc4d3f37 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -1369,6 +1369,17 @@ pcie0: pcie at 33800000 {
 			phys = <&pcie_phy>;
 			phy-names = "pcie-phy";
 			status = "disabled";
+
+			pcie0_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;
+			};
 		};
 
 		pcie0_ep: pcie-ep at 33800000 {
-- 
2.37.1