[PATCH v2 1/2] dt-bindings: interrupt-controller: document BCM6345 external interrupt controller

[Álvaro Fernández Rojas]

Document the binding for the BCM6345 external interrupt controller.

Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
Signed-off-by: Jonas Gorski <jonas.gorski@xxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
 v3: pass dt_binding_check.
 v2: fix title typo.

 .../brcm,bcm6345-ext-intc.yaml                | 78 +++++++++++++++++++
 1 file changed, 78 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..a691510e78b7
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm6345-ext-intc.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/brcm,bcm6345-ext-intc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM6345 external interrupt controller
+
+maintainers:
+  - Álvaro Fernández Rojas <noltari@xxxxxxxxx>
+  - Jonas Gorski <jonas.gorski@xxxxxxxxx>
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm6318-ext-intc
+      - brcm,bcm6345-ext-intc
+
+  "#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
+
+  brcm,field-width:
+    description: Interrupt controller field width (the default is 4).
+    maxItems: 1
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - "#address-cells"
+  - compatible
+  - reg
+  - "#interrupt-cells"
+  - interrupt-controller
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    interrupt-controller@10000018 {
+      #address-cells = <0>;
+      compatible = "brcm,bcm6345-ext-intc";
+      reg = <0x10000018 0x4>;
+
+      interrupt-parent = <&periph_intc>;
+      #interrupt-cells = <2>;
+
+      interrupt-controller;
+      interrupts = <24>, <25>, <26>, <27>;
+    };
+
+  - |
+    interrupt-controller@fffe0014 {
+      #address-cells = <0>;
+      compatible = "brcm,bcm6345-ext-intc";
+      reg = <0xfffe0014 0x4>;
+
+      interrupt-controller;
+      #interrupt-cells = <2>;
+
+      interrupt-parent = <&cpu_intc>;
+      interrupts = <3>, <4>, <5>, <6>;
+
+      brcm,field-width = <5>;
+    };
-- 
2.20.1