ARM: dts: tegra: add PCIe interrupt mapping properties

Those are defined by the common PCI binding.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt

@@ -42,6 +42,10 @@ Required properties:
     - 0xc2000000: prefetchable memory region
   Please refer to the standard PCI bus binding document for a more detailed
   explanation.
+- #interrupt-cells: Size representation for interrupts (must be 1)
+- interrupt-map-mask and interrupt-map: Standard PCI IRQ mapping properties
+  Please refer to the standard PCI bus binding document for a more detailed
+  explanation.
 - clocks: Must contain an entry for each entry in clock-names.
   See ../clocks/clock-bindings.txt for details.
 - clock-names: Must include the following entries:
@@ -86,6 +90,10 @@ SoC DTSI:
 		              0 99 0x04>; /* MSI interrupt */
 		interrupt-names = "intr", "msi";
 
+		#interrupt-cells = <1>;
+		interrupt-map-mask = <0 0 0 0>;
+		interrupt-map = <0 0 0 0 &intc GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+
 		bus-range = <0x00 0xff>;
 		#address-cells = <3>;
 		#size-cells = <2>;

arch/arm/boot/dts/tegra20.dtsi

@@ -552,6 +552,10 @@ pcie-controller@80003000 {
 			      GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
 		interrupt-names = "intr", "msi";
 
+		#interrupt-cells = <1>;
+		interrupt-map-mask = <0 0 0 0>;
+		interrupt-map = <0 0 0 0 &intc GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+
 		bus-range = <0x00 0xff>;
 		#address-cells = <3>;
 		#size-cells = <2>;

arch/arm/boot/dts/tegra30.dtsi

@@ -28,6 +28,10 @@ pcie-controller@00003000 {
 			      GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
 		interrupt-names = "intr", "msi";
 
+		#interrupt-cells = <1>;
+		interrupt-map-mask = <0 0 0 0>;
+		interrupt-map = <0 0 0 0 &intc GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+
 		bus-range = <0x00 0xff>;
 		#address-cells = <3>;
 		#size-cells = <2>;