[PATCH 3/3] arm64: dts: imx8mm: Add the pcie support

[Marek Vasut]

From: Richard Zhu <hongxing.zhu at nxp.com>

Add the PCIe support on i.MX8MM platforms.

Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
Reviewed-by: Tim Harvey <tharvey at gateworks.com>
Tested-by: Tim Harvey <tharvey at gateworks.com>
Signed-off-by: Shawn Guo <shawnguo at kernel.org>
Signed-off-by: Marek Vasut <marex at denx.de> # Pick from Linux 854a4766ac12 ("arm64: dts: imx8mm: Add the pcie support")
---
 arch/arm/dts/imx8mm.dtsi | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/imx8mm.dtsi b/arch/arm/dts/imx8mm.dtsi
index 63cab127c4c..724f6ddbf39 100644
--- a/arch/arm/dts/imx8mm.dtsi
+++ b/arch/arm/dts/imx8mm.dtsi
@@ -510,7 +510,7 @@
 			};
 
 			gpr: iomuxc-gpr at 30340000 {
-				compatible = "fsl,imx8mm-iomuxc-gpr", "syscon";
+				compatible = "fsl,imx8mm-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon";
 				reg = <0x30340000 0x10000>;
 			};
 
@@ -1085,6 +1085,37 @@
 			status = "disabled";
 		};
 
+		pcie0: pcie at 33800000 {
+			compatible = "fsl,imx8mm-pcie";
+			reg = <0x33800000 0x400000>, <0x1ff00000 0x80000>;
+			reg-names = "dbi", "config";
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			bus-range = <0x00 0xff>;
+			ranges =  <0x81000000 0 0x00000000 0x1ff80000 0 0x00010000 /* downstream I/O 64KB */
+				   0x82000000 0 0x18000000 0x18000000 0 0x07f00000>; /* non-prefetchable memory */
+			num-lanes = <1>;
+			num-viewport = <4>;
+			interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi";
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &gic GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &gic GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &gic GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &gic GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+			fsl,max-link-speed = <2>;
+			linux,pci-domain = <0>;
+			power-domains = <&pgc_pcie>;
+			resets = <&src IMX8MQ_RESET_PCIE_CTRL_APPS_EN>,
+				 <&src IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF>;
+			reset-names = "apps", "turnoff";
+			phys = <&pcie_phy>;
+			phy-names = "pcie-phy";
+			status = "disabled";
+		};
+
 		gic: interrupt-controller at 38800000 {
 			compatible = "arm,gic-v3";
 			reg = <0x38800000 0x10000>, /* GIC Dist */
-- 
2.34.1