[RESEND v4 2/2] dt-bindings: riscv: cpus: add ref to interrupt-controller

[Kanak Shilledar <kanakshilledar@xxxxxxxxx>]

removed the redundant properties for interrupt-controller
and provide reference to the riscv,cpu-intc.yaml which defines
the interrupt-controller. making the properties for riscv
interrupt-controller at a central place.

Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Signed-off-by: Kanak Shilledar <kanakshilledar@xxxxxxxxx>
---
Changes in v4:
- Change DCO email to @gmail.com
Changes in v3:
- No change.
- Rolling out as RESEND.
Changes in v2:
- Fix warning of `type` is a required property during `make
dt_bindings_check`.
---
 .../devicetree/bindings/riscv/cpus.yaml       | 21 +------------------
 1 file changed, 1 insertion(+), 20 deletions(-)

diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index d87dd50f1a4b..f1241e5e8753 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -102,26 +102,7 @@ properties:
 
   interrupt-controller:
     type: object
-    additionalProperties: false
-    description: Describes the CPU's local interrupt controller
-
-    properties:
-      '#interrupt-cells':
-        const: 1
-
-      compatible:
-        oneOf:
-          - items:
-              - const: andestech,cpu-intc
-              - const: riscv,cpu-intc
-          - const: riscv,cpu-intc
-
-      interrupt-controller: true
-
-    required:
-      - '#interrupt-cells'
-      - compatible
-      - interrupt-controller
+    $ref: /schemas/interrupt-controller/riscv,cpu-intc.yaml#
 
   cpu-idle-states:
     $ref: /schemas/types.yaml#/definitions/phandle-array
-- 
2.45.2