[PATCH v5 10/37] devicetree: document Ingenic SoC interrupt controller binding

[Paul Burton]

Add binding documentation for Ingenic SoC interrupt controllers.

Signed-off-by: Paul Burton <paul.burton@xxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
---

Changes in v5:
- List all supported compatible strings in the binding document.

Changes in v4:
  - s/intc/interrupt-controller/ in example.

Changes in v3:
- Merge documentation for various Ingenic SoCs, which only differ by
  their compatible strings.

Changes in v2: None

 .../bindings/interrupt-controller/ingenic,intc.txt | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.txt b/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.txt
new file mode 100644
index 0000000..5f89fb6
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.txt
@@ -0,0 +1,28 @@
+Ingenic SoC Interrupt Controller
+
+Required properties:
+
+- compatible : should be "ingenic,<socname>-intc". Valid strings are:
+    ingenic,jz4740-intc
+    ingenic,jz4770-intc
+    ingenic,jz4775-intc
+    ingenic,jz4780-intc
+- reg : Specifies base physical address and size of the registers.
+- interrupt-controller : Identifies the node as an interrupt controller
+- #interrupt-cells : Specifies the number of cells needed to encode an
+  interrupt source. The value shall be 1.
+- interrupt-parent : phandle of the CPU interrupt controller.
+- interrupts : Specifies the CPU interrupt the controller is connected to.
+
+Example:
+
+intc: interrupt-controller@10001000 {
+	compatible = "ingenic,jz4740-intc";
+	reg = <0x10001000 0x14>;
+
+	interrupt-controller;
+	#interrupt-cells = <1>;
+
+	interrupt-parent = <&cpuintc>;
+	interrupts = <2>;
+};
-- 
2.4.1

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