dt-bindings: interrupt-controller: loongson,pch-pic: Document address-cells

The Loongson PCH interrupt controller can be referenced in interrupt-map
properties (e.g. in arch/loongarch/boot/dts/loongson-2k2000.dtsi), thus
the nodes should have address-cells property.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/e531084ee65a695ec08d0f559caec067877fb9a5.1767505859.git.zhoubinbin@loongson.cn
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
index b7bc5cb1dff292b42f1bc72888420e2077157d78..eee10abe9e484c943ea388303fc9bcf39992f06a 100644 (file)
--- a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
@@ -29,6 +29,9 @@ properties:
     minimum: 0
     maximum: 192
 
+  '#address-cells':
+    const: 0
+
   interrupt-controller: true
 
   '#interrupt-cells':