[tip:irq/core] ARM: sun7i/sun6i: irqchip: Update the documentation

[tip-bot for Carlo Caione]

Commit-ID:  ae7d9d3245b7ced5c6f615cfef1250226d518436
Gitweb:     http://git.kernel.org/tip/ae7d9d3245b7ced5c6f615cfef1250226d518436
Author:     Carlo Caione <carlo@xxxxxxxxxx>
AuthorDate: Wed, 19 Mar 2014 20:21:19 +0100
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 26 Mar 2014 01:00:50 +0100

ARM: sun7i/sun6i: irqchip: Update the documentation

Add documentation for NMI irqchip.

Signed-off-by: Carlo Caione <carlo@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-sunxi@xxxxxxxxxxxxxxxx
Cc: mark.rutland@xxxxxxx
Cc: hdegoede@xxxxxxxxxx
Acked-by: maxime.ripard@xxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1395256879-8475-4-git-send-email-carlo@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 .../allwinner,sun67i-sc-nmi.txt                    | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt
new file mode 100644
index 0000000..d1c5cda
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt
@@ -0,0 +1,27 @@
+Allwinner Sunxi NMI Controller
+==============================
+
+Required properties:
+
+- compatible : should be "allwinner,sun7i-a20-sc-nmi" or
+  "allwinner,sun6i-a31-sc-nmi"
+- 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 2. The first cell is the IRQ number, the
+  second cell the trigger type as defined in interrupt.txt in this directory.
+- interrupt-parent: Specifies the parent interrupt controller.
+- interrupts: Specifies the interrupt line (NMI) which is handled by
+  the interrupt controller in the parent controller's notation. This value
+  shall be the NMI.
+
+Example:
+
+sc-nmi-intc@01c00030 {
+	compatible = "allwinner,sun7i-a20-sc-nmi";
+	interrupt-controller;
+	#interrupt-cells = <2>;
+	reg = <0x01c00030 0x0c>;
+	interrupt-parent = <&gic>;
+	interrupts = <0 0 4>;
+};
--
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