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diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
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index e6bbcae4d07f..000000000000
--- a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
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-===========================================
-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.
-
-Interrupt trigger mode: (Defined in dt-bindings/interrupt-controller/irq.h)
- IRQ_TYPE_LEVEL_HIGH (default)
- IRQ_TYPE_LEVEL_LOW
- IRQ_TYPE_EDGE_RISING
- IRQ_TYPE_EDGE_FALLING
-
-=============================
-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: <2>
-	- interrupt-controller:
-		Usage: required
-
-Examples: ("interrupts = <irq_num IRQ_TYPE_XXX>")
----------
-#include <dt-bindings/interrupt-controller/irq.h>
-
-	intc: interrupt-controller {
-		compatible = "csky,mpintc";
-		#interrupt-cells = <2>;
-		interrupt-controller;
-	};
-
-	device: device-example {
-		...
-		interrupts = <34 IRQ_TYPE_EDGE_RISING>;
-		interrupt-parent = <&intc>;
-	};