netdev - [PATCH 27/31] dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller

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Message-Id: <a7b9f0a21bf6e0c3325a0d9a28a8503082cafd14.1510118606.git.green.hu@gmail.com>
Date:   Wed,  8 Nov 2017 13:55:15 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     greentime@...estech.com, linux-kernel@...r.kernel.org,
        arnd@...db.de, linux-arch@...r.kernel.org, tglx@...utronix.de,
        jason@...edaemon.net, marc.zyngier@....com, robh+dt@...nel.org,
        netdev@...r.kernel.org
Cc:     green.hu@...il.com, Rick Chen <rick@...estech.com>
Subject: [PATCH 27/31] dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller

From: Greentime Hu <greentime@...estech.com>

Signed-off-by: Rick Chen <rick@...estech.com>
Signed-off-by: Greentime Hu <greentime@...estech.com>
---
 .../interrupt-controller/andestech,ativic32.txt    |   27 ++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt b/Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt
new file mode 100644
index 0000000..6bac908
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt
@@ -0,0 +1,27 @@
+* Andestech Internal Vector Interrupt Controller
+
+The Internal Vector Interrupt Controller (IVIC) is a basic interrupt controller
+suitable for a simpler SoC platform not requiring a more sophisticated and
+bigger External Vector Interrupt Controller.
+
+
+Main node required properties:
+
+- compatible : should at least contain  "andestech,ativic32".
+- interrupt-parent: Empty for the interrupt controller itself
+- interrupt-controller : Identifies the node as an interrupt controller
+- #interrupt-cells: The number of cells to define the interrupts. Should be 2.
+	The first cell is the IRQ number
+	The second cell is used to specify mode:
+		1 = low-to-high edge triggered
+		2 = high-to-low edge triggered
+		4 = active high level-sensitive
+		8 = active low level-sensitive
+		Default for internal sources should be set to 4 (active high).
+
+Examples:
+	intc: interrupt-controller {
+		compatible = "andestech,ativic32";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+	};
-- 
1.7.9.5