ARM: at91: add of irq priorities support

Add a third cell to define irq priority.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Documentation/devicetree/bindings/arm/atmel-aic.txt

@@ -4,7 +4,7 @@ Required properties:
 - compatible: Should be "atmel,<chip>-aic"
 - interrupt-controller: Identifies the node as an interrupt controller.
 - interrupt-parent: For single AIC system, it is an empty property.
-- #interrupt-cells: The number of cells to define the interrupts. It sould be 2.
+- #interrupt-cells: The number of cells to define the interrupts. It sould be 3.
   The first cell is the IRQ number (aka "Peripheral IDentifier" on datasheet).
   The second cell is used to specify flags:
     bits[3:0] trigger type and level flags:
@@ -14,6 +14,8 @@ Required properties:
       8 = active low level-sensitive.
       Valid combinations are 1, 2, 3, 4, 8.
       Default flag for internal sources should be set to 4 (active high).
+  The third cell is used to specify the irq priority from 0 (lowest) to 7
+  (highest).
 - reg: Should contain AIC registers location and length
 - atmel,external-irqs: u32 array of external irqs.
 
@@ -25,7 +27,7 @@ Examples:
 		compatible = "atmel,at91rm9200-aic";
 		interrupt-controller;
 		interrupt-parent;
-		#interrupt-cells = <2>;
+		#interrupt-cells = <3>;
 		reg = <0xfffff000 0x200>;
 	};
 
@@ -35,5 +37,5 @@ Examples:
 	dma: dma-controller@ffffec00 {
 		compatible = "atmel,at91sam9g45-dma";
 		reg = <0xffffec00 0x200>;
-		interrupts = <21 4>;
+		interrupts = <21 4 5>;
 	};

arch/arm/boot/dts/at91sam9260.dtsi

@@ -52,7 +52,7 @@
 			ranges;
 
 			aic: interrupt-controller@fffff000 {
-				#interrupt-cells = <2>;
+				#interrupt-cells = <3>;
 				compatible = "atmel,at91rm9200-aic";
 				interrupt-controller;
 				reg = <0xfffff000 0x200>;
@@ -82,25 +82,25 @@
 			pit: timer@fffffd30 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xfffffd30 0xf>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 			};
 
 			tcb0: timer@fffa0000 {
 				compatible = "atmel,at91rm9200-tcb";
 				reg = <0xfffa0000 0x100>;
-				interrupts = <17 4 18 4 19 4>;
+				interrupts = <17 4 0 18 4 0 19 4 0>;
 			};
 
 			tcb1: timer@fffdc000 {
 				compatible = "atmel,at91rm9200-tcb";
 				reg = <0xfffdc000 0x100>;
-				interrupts = <26 4 27 4 28 4>;
+				interrupts = <26 4 0 27 4 0 28 4 0>;
 			};
 
 			pioA: gpio@fffff400 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff400 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -109,7 +109,7 @@
 			pioB: gpio@fffff600 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff600 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -118,7 +118,7 @@
 			pioC: gpio@fffff800 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff800 0x100>;
-				interrupts = <4 4>;
+				interrupts = <4 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -127,14 +127,14 @@
 			dbgu: serial@fffff200 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffff200 0x200>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 				status = "disabled";
 			};
 
 			usart0: serial@fffb0000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffb0000 0x200>;
-				interrupts = <6 4>;
+				interrupts = <6 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -143,7 +143,7 @@
 			usart1: serial@fffb4000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffb4000 0x200>;
-				interrupts = <7 4>;
+				interrupts = <7 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -152,7 +152,7 @@
 			usart2: serial@fffb8000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffb8000 0x200>;
-				interrupts = <8 4>;
+				interrupts = <8 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -161,7 +161,7 @@
 			usart3: serial@fffd0000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffd0000 0x200>;
-				interrupts = <23 4>;
+				interrupts = <23 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -170,7 +170,7 @@
 			usart4: serial@fffd4000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffd4000 0x200>;
-				interrupts = <24 4>;
+				interrupts = <24 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -179,7 +179,7 @@
 			usart5: serial@fffd8000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffd8000 0x200>;
-				interrupts = <25 4>;
+				interrupts = <25 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -188,21 +188,21 @@
 			macb0: ethernet@fffc4000 {
 				compatible = "cdns,at32ap7000-macb", "cdns,macb";
 				reg = <0xfffc4000 0x100>;
-				interrupts = <21 4>;
+				interrupts = <21 4 3>;
 				status = "disabled";
 			};
 
 			usb1: gadget@fffa4000 {
 				compatible = "atmel,at91rm9200-udc";
 				reg = <0xfffa4000 0x4000>;
-				interrupts = <10 4>;
+				interrupts = <10 4 2>;
 				status = "disabled";
 			};
 
 			adc0: adc@fffe0000 {
 				compatible = "atmel,at91sam9260-adc";
 				reg = <0xfffe0000 0x100>;
-				interrupts = <5 4>;
+				interrupts = <5 4 0>;
 				atmel,adc-use-external-triggers;
 				atmel,adc-channels-used = <0xf>;
 				atmel,adc-vref = <3300>;
@@ -254,7 +254,7 @@
 		usb0: ohci@00500000 {
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00500000 0x100000>;
-			interrupts = <20 4>;
+			interrupts = <20 4 2>;
 			status = "disabled";
 		};
 	};

arch/arm/boot/dts/at91sam9263.dtsi

@@ -48,7 +48,7 @@
 			ranges;
 
 			aic: interrupt-controller@fffff000 {
-				#interrupt-cells = <2>;
+				#interrupt-cells = <3>;
 				compatible = "atmel,at91rm9200-aic";
 				interrupt-controller;
 				reg = <0xfffff000 0x200>;
@@ -69,13 +69,13 @@
 			pit: timer@fffffd30 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xfffffd30 0xf>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 			};
 
 			tcb0: timer@fff7c000 {
 				compatible = "atmel,at91rm9200-tcb";
 				reg = <0xfff7c000 0x100>;
-				interrupts = <19 4>;
+				interrupts = <19 4 0>;
 			};
 
 			rstc@fffffd00 {
@@ -91,7 +91,7 @@
 			pioA: gpio@fffff200 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff200 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -100,7 +100,7 @@
 			pioB: gpio@fffff400 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff400 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -109,7 +109,7 @@
 			pioC: gpio@fffff600 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff600 0x100>;
-				interrupts = <4 4>;
+				interrupts = <4 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -118,7 +118,7 @@
 			pioD: gpio@fffff800 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff800 0x100>;
-				interrupts = <4 4>;
+				interrupts = <4 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -127,7 +127,7 @@
 			pioE: gpio@fffffa00 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffffa00 0x100>;
-				interrupts = <4 4>;
+				interrupts = <4 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -136,14 +136,14 @@
 			dbgu: serial@ffffee00 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xffffee00 0x200>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 				status = "disabled";
 			};
 
 			usart0: serial@fff8c000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff8c000 0x200>;
-				interrupts = <7 4>;
+				interrupts = <7 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -152,7 +152,7 @@
 			usart1: serial@fff90000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff90000 0x200>;
-				interrupts = <8 4>;
+				interrupts = <8 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -161,7 +161,7 @@
 			usart2: serial@fff94000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff94000 0x200>;
-				interrupts = <9 4>;
+				interrupts = <9 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -170,14 +170,14 @@
 			macb0: ethernet@fffbc000 {
 				compatible = "cdns,at32ap7000-macb", "cdns,macb";
 				reg = <0xfffbc000 0x100>;
-				interrupts = <21 4>;
+				interrupts = <21 4 3>;
 				status = "disabled";
 			};
 
 			usb1: gadget@fff78000 {
 				compatible = "atmel,at91rm9200-udc";
 				reg = <0xfff78000 0x4000>;
-				interrupts = <24 4>;
+				interrupts = <24 4 2>;
 				status = "disabled";
 			};
 		};
@@ -201,7 +201,7 @@
 		usb0: ohci@00a00000 {
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00a00000 0x100000>;
-			interrupts = <29 4>;
+			interrupts = <29 4 2>;
 			status = "disabled";
 		};
 	};

arch/arm/boot/dts/at91sam9g45.dtsi

@@ -53,7 +53,7 @@
 			ranges;
 
 			aic: interrupt-controller@fffff000 {
-				#interrupt-cells = <2>;
+				#interrupt-cells = <3>;
 				compatible = "atmel,at91rm9200-aic";
 				interrupt-controller;
 				reg = <0xfffff000 0x200>;
@@ -79,7 +79,7 @@
 			pit: timer@fffffd30 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xfffffd30 0xf>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 			};
 
 
@@ -91,25 +91,25 @@
 			tcb0: timer@fff7c000 {
 				compatible = "atmel,at91rm9200-tcb";
 				reg = <0xfff7c000 0x100>;
-				interrupts = <18 4>;
+				interrupts = <18 4 0>;
 			};
 
 			tcb1: timer@fffd4000 {
 				compatible = "atmel,at91rm9200-tcb";
 				reg = <0xfffd4000 0x100>;
-				interrupts = <18 4>;
+				interrupts = <18 4 0>;
 			};
 
 			dma: dma-controller@ffffec00 {
 				compatible = "atmel,at91sam9g45-dma";
 				reg = <0xffffec00 0x200>;
-				interrupts = <21 4>;
+				interrupts = <21 4 0>;
 			};
 
 			pioA: gpio@fffff200 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff200 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -118,7 +118,7 @@
 			pioB: gpio@fffff400 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff400 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -127,7 +127,7 @@
 			pioC: gpio@fffff600 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff600 0x100>;
-				interrupts = <4 4>;
+				interrupts = <4 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -136,7 +136,7 @@
 			pioD: gpio@fffff800 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffff800 0x100>;
-				interrupts = <5 4>;
+				interrupts = <5 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -145,7 +145,7 @@
 			pioE: gpio@fffffa00 {
 				compatible = "atmel,at91rm9200-gpio";
 				reg = <0xfffffa00 0x100>;
-				interrupts = <5 4>;
+				interrupts = <5 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -154,14 +154,14 @@
 			dbgu: serial@ffffee00 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xffffee00 0x200>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 				status = "disabled";
 			};
 
 			usart0: serial@fff8c000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff8c000 0x200>;
-				interrupts = <7 4>;
+				interrupts = <7 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -170,7 +170,7 @@
 			usart1: serial@fff90000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff90000 0x200>;
-				interrupts = <8 4>;
+				interrupts = <8 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -179,7 +179,7 @@
 			usart2: serial@fff94000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff94000 0x200>;
-				interrupts = <9 4>;
+				interrupts = <9 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -188,7 +188,7 @@
 			usart3: serial@fff98000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfff98000 0x200>;
-				interrupts = <10 4>;
+				interrupts = <10 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -197,14 +197,14 @@
 			macb0: ethernet@fffbc000 {
 				compatible = "cdns,at32ap7000-macb", "cdns,macb";
 				reg = <0xfffbc000 0x100>;
-				interrupts = <25 4>;
+				interrupts = <25 4 3>;
 				status = "disabled";
 			};
 
 			adc0: adc@fffb0000 {
 				compatible = "atmel,at91sam9260-adc";
 				reg = <0xfffb0000 0x100>;
-				interrupts = <20 4>;
+				interrupts = <20 4 0>;
 				atmel,adc-use-external-triggers;
 				atmel,adc-channels-used = <0xff>;
 				atmel,adc-vref = <3300>;
@@ -258,14 +258,14 @@
 		usb0: ohci@00700000 {
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00700000 0x100000>;
-			interrupts = <22 4>;
+			interrupts = <22 4 2>;
 			status = "disabled";
 		};
 
 		usb1: ehci@00800000 {
 			compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
 			reg = <0x00800000 0x100000>;
-			interrupts = <22 4>;
+			interrupts = <22 4 2>;
 			status = "disabled";
 		};
 	};

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -50,7 +50,7 @@
 			ranges;
 
 			aic: interrupt-controller@fffff000 {
-				#interrupt-cells = <2>;
+				#interrupt-cells = <3>;
 				compatible = "atmel,at91rm9200-aic";
 				interrupt-controller;
 				reg = <0xfffff000 0x200>;
@@ -74,7 +74,7 @@
 			pit: timer@fffffe30 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xfffffe30 0xf>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 			};
 
 			shdwc@fffffe10 {
@@ -85,25 +85,25 @@
 			tcb0: timer@f8008000 {
 				compatible = "atmel,at91sam9x5-tcb";
 				reg = <0xf8008000 0x100>;
-				interrupts = <17 4>;
+				interrupts = <17 4 0>;
 			};
 
 			tcb1: timer@f800c000 {
 				compatible = "atmel,at91sam9x5-tcb";
 				reg = <0xf800c000 0x100>;
-				interrupts = <17 4>;
+				interrupts = <17 4 0>;
 			};
 
 			dma: dma-controller@ffffec00 {
 				compatible = "atmel,at91sam9g45-dma";
 				reg = <0xffffec00 0x200>;
-				interrupts = <20 4>;
+				interrupts = <20 4 0>;
 			};
 
 			pioA: gpio@fffff400 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffff400 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -112,7 +112,7 @@
 			pioB: gpio@fffff600 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffff600 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -121,7 +121,7 @@
 			pioC: gpio@fffff800 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffff800 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -130,7 +130,7 @@
 			pioD: gpio@fffffa00 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffffa00 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -139,14 +139,14 @@
 			dbgu: serial@fffff200 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffff200 0x200>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 				status = "disabled";
 			};
 
 			usart0: serial@f801c000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf801c000 0x4000>;
-				interrupts = <5 4>;
+				interrupts = <5 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -155,7 +155,7 @@
 			usart1: serial@f8020000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf8020000 0x4000>;
-				interrupts = <6 4>;
+				interrupts = <6 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -164,7 +164,7 @@
 			usart2: serial@f8024000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf8024000 0x4000>;
-				interrupts = <7 4>;
+				interrupts = <7 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -173,7 +173,7 @@
 			usart3: serial@f8028000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf8028000 0x4000>;
-				interrupts = <8 4>;
+				interrupts = <8 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -201,7 +201,7 @@
 		usb0: ohci@00500000 {
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00500000 0x00100000>;
-			interrupts = <22 4>;
+			interrupts = <22 4 2>;
 			status = "disabled";
 		};
 	};

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -51,7 +51,7 @@
 			ranges;
 
 			aic: interrupt-controller@fffff000 {
-				#interrupt-cells = <2>;
+				#interrupt-cells = <3>;
 				compatible = "atmel,at91rm9200-aic";
 				interrupt-controller;
 				reg = <0xfffff000 0x200>;
@@ -81,37 +81,37 @@
 			pit: timer@fffffe30 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xfffffe30 0xf>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 			};
 
 			tcb0: timer@f8008000 {
 				compatible = "atmel,at91sam9x5-tcb";
 				reg = <0xf8008000 0x100>;
-				interrupts = <17 4>;
+				interrupts = <17 4 0>;
 			};
 
 			tcb1: timer@f800c000 {
 				compatible = "atmel,at91sam9x5-tcb";
 				reg = <0xf800c000 0x100>;
-				interrupts = <17 4>;
+				interrupts = <17 4 0>;
 			};
 
 			dma0: dma-controller@ffffec00 {
 				compatible = "atmel,at91sam9g45-dma";
 				reg = <0xffffec00 0x200>;
-				interrupts = <20 4>;
+				interrupts = <20 4 0>;
 			};
 
 			dma1: dma-controller@ffffee00 {
 				compatible = "atmel,at91sam9g45-dma";
 				reg = <0xffffee00 0x200>;
-				interrupts = <21 4>;
+				interrupts = <21 4 0>;
 			};
 
 			pioA: gpio@fffff400 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffff400 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -120,7 +120,7 @@
 			pioB: gpio@fffff600 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffff600 0x100>;
-				interrupts = <2 4>;
+				interrupts = <2 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -129,7 +129,7 @@
 			pioC: gpio@fffff800 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffff800 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -138,7 +138,7 @@
 			pioD: gpio@fffffa00 {
 				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
 				reg = <0xfffffa00 0x100>;
-				interrupts = <3 4>;
+				interrupts = <3 4 1>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
@@ -147,14 +147,14 @@
 			dbgu: serial@fffff200 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xfffff200 0x200>;
-				interrupts = <1 4>;
+				interrupts = <1 4 7>;
 				status = "disabled";
 			};
 
 			usart0: serial@f801c000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf801c000 0x200>;
-				interrupts = <5 4>;
+				interrupts = <5 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -163,7 +163,7 @@
 			usart1: serial@f8020000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf8020000 0x200>;
-				interrupts = <6 4>;
+				interrupts = <6 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -172,7 +172,7 @@
 			usart2: serial@f8024000 {
 				compatible = "atmel,at91sam9260-usart";
 				reg = <0xf8024000 0x200>;
-				interrupts = <7 4>;
+				interrupts = <7 4 5>;
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "disabled";
@@ -181,21 +181,21 @@
 			macb0: ethernet@f802c000 {
 				compatible = "cdns,at32ap7000-macb", "cdns,macb";
 				reg = <0xf802c000 0x100>;
-				interrupts = <24 4>;
+				interrupts = <24 4 3>;
 				status = "disabled";
 			};
 
 			macb1: ethernet@f8030000 {
 				compatible = "cdns,at32ap7000-macb", "cdns,macb";
 				reg = <0xf8030000 0x100>;
-				interrupts = <27 4>;
+				interrupts = <27 4 3>;
 				status = "disabled";
 			};
 
 			adc0: adc@f804c000 {
 				compatible = "atmel,at91sam9260-adc";
 				reg = <0xf804c000 0x100>;
-				interrupts = <19 4>;
+				interrupts = <19 4 0>;
 				atmel,adc-use-external;
 				atmel,adc-channels-used = <0xffff>;
 				atmel,adc-vref = <3300>;
@@ -249,14 +249,14 @@
 		usb0: ohci@00600000 {
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00600000 0x100000>;
-			interrupts = <22 4>;
+			interrupts = <22 4 2>;
 			status = "disabled";
 		};
 
 		usb1: ehci@00700000 {
 			compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
 			reg = <0x00700000 0x100000>;
-			interrupts = <22 4>;
+			interrupts = <22 4 2>;
 			status = "disabled";
 		};
 	};

arch/arm/mach-at91/include/mach/at91_aic.h

@@ -28,6 +28,9 @@ extern void __iomem *at91_aic_base;
 .extern at91_aic_base
 #endif
 
+#define AT91_AIC_IRQ_MIN_PRIORITY	0
+#define AT91_AIC_IRQ_MAX_PRIORITY	7
+
 #define AT91_AIC_SMR(n)		((n) * 4)		/* Source Mode Registers 0-31 */
 #define		AT91_AIC_PRIOR		(7 << 0)		/* Priority Level */
 #define		AT91_AIC_SRCTYPE	(3 << 5)		/* Interrupt Source Type */

arch/arm/mach-at91/irq.c

@@ -30,6 +30,7 @@
 #include <linux/of_irq.h>
 #include <linux/irqdomain.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 
 #include <mach/hardware.h>
 #include <asm/irq.h>
@@ -42,6 +43,7 @@
 void __iomem *at91_aic_base;
 static struct irq_domain *at91_aic_domain;
 static struct device_node *at91_aic_np;
+static unsigned int *at91_aic_irq_priorities;
 
 static void at91_aic_mask_irq(struct irq_data *d)
 {
@@ -177,8 +179,9 @@ static int at91_aic_irq_map(struct irq_domain *h, unsigned int virq,
 	/* Put virq number in Source Vector Register */
 	at91_aic_write(AT91_AIC_SVR(hw), virq);
 
-	/* Active Low interrupt, without priority */
-	at91_aic_write(AT91_AIC_SMR(hw), AT91_AIC_SRCTYPE_LOW);
+	/* Active Low interrupt, with priority */
+	at91_aic_write(AT91_AIC_SMR(hw),
+		       AT91_AIC_SRCTYPE_LOW | at91_aic_irq_priorities[hw]);
 
 	irq_set_chip_and_handler(virq, &at91_aic_chip, handle_fasteoi_irq);
 	set_irq_flags(virq, IRQF_VALID | IRQF_PROBE);
@@ -186,9 +189,28 @@ static int at91_aic_irq_map(struct irq_domain *h, unsigned int virq,
 	return 0;
 }
 
+static int at91_aic_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr,
+				const u32 *intspec, unsigned int intsize,
+				irq_hw_number_t *out_hwirq, unsigned int *out_type)
+{
+	if (WARN_ON(intsize < 3))
+		return -EINVAL;
+	if (WARN_ON(intspec[0] >= NR_AIC_IRQS))
+		return -EINVAL;
+	if (WARN_ON((intspec[2] < AT91_AIC_IRQ_MIN_PRIORITY)
+		    || (intspec[2] > AT91_AIC_IRQ_MAX_PRIORITY)))
+		return -EINVAL;
+
+	*out_hwirq = intspec[0];
+	*out_type = intspec[1] & IRQ_TYPE_SENSE_MASK;
+	at91_aic_irq_priorities[*out_hwirq] = intspec[2];
+
+	return 0;
+}
+
 static struct irq_domain_ops at91_aic_irq_ops = {
 	.map	= at91_aic_irq_map,
-	.xlate	= irq_domain_xlate_twocell,
+	.xlate	= at91_aic_irq_domain_xlate,
 };
 
 int __init at91_aic_of_init(struct device_node *node,
@@ -198,6 +220,12 @@ int __init at91_aic_of_init(struct device_node *node,
 	const __be32 *p;
 	u32 val;
 
+	at91_aic_irq_priorities = kzalloc(NR_AIC_IRQS
+					  * sizeof(*at91_aic_irq_priorities),
+					  GFP_KERNEL);
+	if (!at91_aic_irq_priorities)
+		return -ENOMEM;
+
 	at91_aic_base = of_iomap(node, 0);
 	at91_aic_np = node;