[PATCH 1/2] dt-bindings: interrupt-controller: document BCM6345 external interrupt controller

["Álvaro Fernández Rojas" <noltari@gmail.com>]

Document the binding for the BCM6345 external interrupt controller.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
 .../brcm,bcm6345-ext-intc.yaml                | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/brcm,bcm6345-ext-intc.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm6345-ext-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm6345-ext-intc.yaml
new file mode 100644
index 000000000000..9cc29fa03968
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm6345-ext-intc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/brcm,brcm6345-ext-intc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM6345 external interrupt controller
+
+maintainers:
+  - Álvaro Fernández Rojas <noltari@gmail.com>
+  - Jonas Gorski <jonas.gorski@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm6318-ext-intc
+      - brcm,bcm6345-ext-intc
+
+  interrupt-parent:
+    description: Specifies the phandle to the parent interrupt controller
+      this one is cascaded from.
+
+  "#interrupt-cells":
+    const: 2
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 0
+
+  interrupt-controller: true
+
+  interrupts:
+    description: Specifies the interrupt line(s) in the interrupt-parent
+      controller node, valid values depend on the type of parent interrupt
+      controller.
+    maxItems: 4
+
+required:
+  - compatible
+  - interrupt-parent
+  - "#interrupt-cells"
+  - reg
+  - "#address-cells"
+  - interrupt-controller
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    ext_intc: interrupt-controller@10000018 {
+      compatible = "brcm,bcm6345-ext-intc";
+      interrupt-parent = <&periph_intc>;
+      #interrupt-cells = <2>;
+      reg = <0x10000018 0x4>;
+      #address-cells = <0>;
+      interrupt-controller;
+      interrupts = <24>, <25>, <26>, <27>;
+    };
-- 
2.20.1