linux-kernel - [PATCH] dt-bindings: PCI: socionext,uniphier-pcie: Add missing child interrupt controller

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Date:   Wed, 25 May 2022 16:01:16 -0500
From:   Rob Herring <robh@...nel.org>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: PCI: socionext,uniphier-pcie: Add missing child interrupt controller

The Socionext interrupt controller internal to the the PCI block isn't
documented which causes warnings when unevaluatedProperties check is
also fixed. Add the 'interrupt-controller' child node and properties and
fixup the example so that interrupt properties can be parsed.

Signed-off-by: Rob Herring <robh@...nel.org>
---
 .../bindings/pci/socionext,uniphier-pcie.yaml | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie.yaml b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie.yaml
index f5926d0fb085..638b99db0433 100644
--- a/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie.yaml
@@ -51,6 +51,19 @@ properties:
   phy-names:
     const: pcie-phy
 
+  interrupt-controller:
+    type: object
+    additionalProperties: false
+
+    properties:
+      interrupt-controller: true
+
+      '#interrupt-cells':
+        const: 1
+
+      interrupts:
+        maxItems: 1
+
 required:
   - compatible
   - reg
@@ -62,6 +75,13 @@ unevaluatedProperties: false
 
 examples:
   - |
+    bus {
+        gic: interrupt-controller {
+            interrupt-controller;
+            #interrupt-cells = <3>;
+        };
+    };
+
     pcie: pcie@...00000 {
         compatible = "socionext,uniphier-pcie";
         reg-names = "dbi", "link", "config";
@@ -80,6 +100,7 @@ examples:
         phys = <&pcie_phy>;
         #interrupt-cells = <1>;
         interrupt-names = "dma", "msi";
+        interrupt-parent = <&gic>;
         interrupts = <0 224 4>, <0 225 4>;
         interrupt-map-mask = <0 0 0  7>;
         interrupt-map = <0 0 0  1  &pcie_intc 0>,
@@ -87,7 +108,7 @@ examples:
                         <0 0 0  3  &pcie_intc 2>,
                         <0 0 0  4  &pcie_intc 3>;
 
-        pcie_intc: legacy-interrupt-controller {
+        pcie_intc: interrupt-controller {
             interrupt-controller;
             #interrupt-cells = <1>;
             interrupt-parent = <&gic>;
-- 
2.34.1