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Date:   Mon, 18 Feb 2019 10:04:41 +0800
From:   guoren@...nel.org
To:     marc.zyngier@....com, tglx@...utronix.de, robh+dt@...nel.org
Cc:     linux-kernel@...r.kernel.org, guoren@...nel.org,
        Guo Ren <ren_guo@...ky.com>
Subject: [PATCH V2 5/7] dt-bindings: interrupt-controller: Update csky mpintc

From: Guo Ren <ren_guo@...ky.com>

Add trigger type and priority setting for csky,mpintc.

Changelog:
 - change #interrupt-cells to <3>

Signed-off-by: Guo Ren <ren_guo@...ky.com>
Cc: Marc Zyngier <marc.zyngier@....com>
Cc: Rob Herring <robh+dt@...nel.org>
---
 .../bindings/interrupt-controller/csky,mpintc.txt   | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
index ab921f1..dccd913 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
@@ -6,11 +6,18 @@ 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 triger mode:
+ IRQ_TYPE_LEVEL_HIGH (default)
+ IRQ_TYPE_LEVEL_LOW
+ IRQ_TYPE_EDGE_RISING
+ IRQ_TYPE_EDGE_FALLING
+
+Interrupt priority range: 0-255
+
 =============================
 intc node bindings definition
 =============================
@@ -26,15 +33,21 @@ intc node bindings definition
 	- #interrupt-cells
 		Usage: required
 		Value type: <u32>
-		Definition: must be <1>
+		Definition: <3>
 	- interrupt-controller:
 		Usage: required
 
-Examples:
+Examples: ("interrupts = <irq_num IRQ_TYPE_XXX priority>")
 ---------
 
 	intc: interrupt-controller {
 		compatible = "csky,mpintc";
-		#interrupt-cells = <1>;
+		#interrupt-cells = <3>;
 		interrupt-controller;
 	};
+
+	device: device-example {
+		...
+		interrupts = <34 IRQ_TYPE_EDGE_RISING 254>;
+		interrupt-parent = <&intc>;
+	};
-- 
2.7.4

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