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

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Date:   Thu, 25 Mar 2021 14:39:33 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Marc Zyngier <maz@...nel.org>
CC:     Tom Joseph <tjoseph@...ence.com>, <linux-omap@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Lokesh Vutla <lokeshvutla@...com>
Subject: [PATCH 1/4] dt-bindings: PCI: ti,j721e: Add bindings to specify legacy interrupts

Add bindings to specify interrupt controller for legacy interrupts.

Signed-off-by: Kishon Vijay Abraham I <kishon@...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