linux-kernel - [PATCH V3 22/26] dt-bindings: interrupt-controller: C-SKY SMP intc

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Message-Id: <a82f72fd77a6c06d23e6d08acc9df2a816d6235d.1536138304.git.ren_guo@c-sky.com>
Date:   Wed,  5 Sep 2018 20:08:01 +0800
From:   Guo Ren <ren_guo@...ky.com>
To:     linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, daniel.lezcano@...aro.org,
        jason@...edaemon.net, arnd@...db.de
Cc:     c-sky_gcc_upstream@...ky.com, gnu-csky@...tor.com,
        thomas.petazzoni@...tlin.com, wbx@...ibc-ng.org, ren_guo@...ky.com,
        green.hu@...il.com
Subject: [PATCH V3 22/26] dt-bindings: interrupt-controller: C-SKY SMP intc

Signed-off-by: Guo Ren <ren_guo@...ky.com>
---
 .../bindings/interrupt-controller/csky,mpintc.txt  | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
new file mode 100644
index 0000000..49d1658
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
@@ -0,0 +1,40 @@
+===========================================
+C-SKY Multi-processors Interrupt Controller
+===========================================
+
+C-SKY Multi-processors Interrupt Controller is designed for ck807/ck810/ck860
+SMP soc, and it also could be used in non-SMP system.
+
+Interrupt number definition:
+
+  0-15  : software irq, and we use 15 as our IPI_IRQ.
+ 16-31  : private  irq, and we use 16 as the co-processor timer.
+ 31-1024: common irq for soc ip.
+
+=============================
+intc node bindings definition
+=============================
+
+	Description: Describes SMP interrupt controller
+
+	PROPERTIES
+
+        - compatible
+		Usage: required
+                Value type: <string>
+                Definition: must be "csky,mpintc"
+        - interrupt-cells
+                Usage: required
+                Value type: <u32>
+                Definition: must be <1>
+        - interrupt-controller:
+                Usage: required
+
+Examples:
+---------
+
+	intc: interrupt-controller {
+		compatible = "csky,mpintc";
+		#interrupt-cells = <1>;
+		interrupt-controller;
+	};
-- 
2.7.4