linux-kernel - [PATCH 1/2] dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller

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Message-Id: <20180320135215.4921-1-alexandre.belloni@bootlin.com>
Date:   Tue, 20 Mar 2018 14:52:14 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Marc Zyngier <marc.zyngier@....com>
Cc:     Jason Cooper <jason@...edaemon.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 1/2] dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller

Add the Device Tree binding documentation for the Microsemi Ocelot
interrupt controller that is part of the ICPU. It is connected directly to
the MIPS core interrupt controller.

Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 .../interrupt-controller/mscc,ocelot-icpu-intr.txt | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mscc,ocelot-icpu-intr.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/mscc,ocelot-icpu-intr.txt b/Documentation/devicetree/bindings/interrupt-controller/mscc,ocelot-icpu-intr.txt
new file mode 100644
index 000000000000..b47a8a02b17b
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/mscc,ocelot-icpu-intr.txt
@@ -0,0 +1,22 @@
+Microsemi Ocelot SoC ICPU Interrupt Controller
+
+Required properties:
+
+- compatible : should be "mscc,ocelot-icpu-intr"
+- 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@...00070 {
+			compatible = "mscc,ocelot-icpu-intr";
+			reg = <0x70000070 0x70>;
+			#interrupt-cells = <1>;
+			interrupt-controller;
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+		};
-- 
2.16.2