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[v4,10/37] devicetree: document Ingenic SoC interrupt controller binding

Message ID 1429881457-16016-11-git-send-email-paul.burton@imgtec.com
State Superseded, archived
Headers show

Commit Message

Paul Burton April 24, 2015, 1:17 p.m. UTC 
Add binding documentation for Ingenic SoC interrupt controllers.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: devicetree@vger.kernel.org
---
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 | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.txt
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Patch

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..c396fa0
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.txt
@@ -0,0 +1,25 @@ 
+Ingenic SoC Interrupt Controller
+
+Required properties:
+
+- compatible : should be "ingenic,<socname>-intc". For example
+  "ingenic,jz4740-intc" or "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>;
+};