[PATCH 1/4] dt-bindings: PCI: ti, j721e: Add bindings to specify legacy interrupts

[Kishon Vijay Abraham I]

Add bindings to specify interrupt controller for legacy interrupts.

Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
---
 .../devicetree/bindings/pci/ti,j721e-pci-host.yaml  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
index 05aeb1aa362a..3e70a8049eea 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
@@ -73,6 +73,11 @@ properties:
 
   msi-map: true
 
+patternProperties:
+  "interrupt-controller":
+    type: object
+    description: interrupt controller to handle legacy interrupts.
+
 required:
   - compatible
   - reg
@@ -130,5 +135,13 @@ examples:
             ranges = <0x01000000 0x0 0x10001000  0x00 0x10001000  0x0 0x0010000>,
                      <0x02000000 0x0 0x10011000  0x00 0x10011000  0x0 0x7fef000>;
             dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>;
+
+
+            pcie0_intc: interrupt-controller {
+                    interrupt-controller;
+                    #interrupt-cells = <1>;
+                    interrupt-parent = <&gic500>;
+                    interrupts = <GIC_SPI 312 IRQ_TYPE_EDGE_RISING>;
+            };
         };
     };
-- 
2.17.1