Merge branch 'devicetree/merge' into devicetree/next

Documentation/devicetree/bindings/arm/gic.txt

@@ -11,7 +11,9 @@ have PPIs or SGIs.
 Main node required properties:
 
 - compatible : should be one of:
+	"arm,cortex-a15-gic"
 	"arm,cortex-a9-gic"
+	"arm,cortex-a7-gic"
 	"arm,arm11mp-gic"
 - interrupt-controller : Identifies the node as an interrupt controller
 - #interrupt-cells : Specifies the number of cells needed to encode an
@@ -39,8 +41,9 @@ Main node required properties:
   the GIC cpu interface register base and size.
 
 Optional
-- interrupts	: Interrupt source of the parent interrupt controller. Only
-  present on secondary GICs.
+- interrupts	: Interrupt source of the parent interrupt controller on
+  secondary GICs, or VGIC maintainance interrupt on primary GIC (see
+  below).
 
 - cpu-offset	: per-cpu offset within the distributor and cpu interface
   regions, used when the GIC doesn't have banked registers. The offset is
@@ -57,3 +60,31 @@ Example:
 		      <0xfff10100 0x100>;
 	};
 
+
+* GIC virtualization extensions (VGIC)
+
+For ARM cores that support the virtualization extensions, additional
+properties must be described (they only exist if the GIC is the
+primary interrupt controller).
+
+Required properties:
+
+- reg : Additional regions specifying the base physical address and
+  size of the VGIC registers. The first additional region is the GIC
+  virtual interface control register base and size. The 2nd additional
+  region is the GIC virtual cpu interface register base and size.
+
+- interrupts : VGIC maintainance interrupt.
+
+Example:
+
+	interrupt-controller@2c001000 {
+		compatible = "arm,cortex-a15-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0x2c001000 0x1000>,
+		      <0x2c002000 0x1000>,
+		      <0x2c004000 0x2000>,
+		      <0x2c006000 0x2000>;
+		interrupts = <1 9 0xf04>;
+	};

include/linux/of_irq.h

@@ -11,7 +11,7 @@ struct of_irq;
 #include <linux/of.h>
 
 /*
- * irq_of_parse_and_map() is used ba all OF enabled platforms; but SPARC
+ * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC
  * implements it differently.  However, the prototype is the same for all,
  * so declare it here regardless of the CONFIG_OF_IRQ setting.
  */
@@ -76,5 +76,13 @@ extern struct device_node *of_irq_find_parent(struct device_node *child);
 extern void of_irq_init(const struct of_device_id *matches);
 
 #endif /* CONFIG_OF_IRQ */
-#endif /* CONFIG_OF */
+
+#else /* !CONFIG_OF */
+static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
+						int index)
+{
+	return 0;
+}
+#endif /* !CONFIG_OF */
+
 #endif /* __OF_IRQ_H */