Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irqchip updates from Ingo Molnar:
 "Various irqchip driver updates, plus a genirq core update that allows
  the initial spreading of irqs amonst CPUs without having to do it from
  user-space"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Fix null pointer reference in irq_set_affinity_hint()
  irqchip: gic: Allow interrupt level to be set for PPIs
  irqchip: mips-gic: Handle pending interrupts once in __gic_irq_dispatch()
  irqchip: Conexant CX92755 interrupts controller driver
  irqchip: Devicetree: document Conexant Digicolor irq binding
  irqchip: omap-intc: Remove unused legacy interface for omap2
  irqchip: omap-intc: Fix support for dm814 and dm816
  irqchip: mtk-sysirq: Get irq number from register resource size
  irqchip: renesas-intc-irqpin: r8a7779 IRLM setup support
  genirq: Set initial affinity in irq_set_affinity_hint()

4 files changed, 60 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt
index 8112d0c..c97484b 100644
--- a/Documentation/devicetree/bindings/arm/gic.txt
+++ b/Documentation/devicetree/bindings/arm/gic.txt
@@ -32,12 +32,16 @@ Main node required properties:
   The 3rd cell is the flags, encoded as follows:
 	bits[3:0] trigger type and level flags.
 		1 = low-to-high edge triggered
-		2 = high-to-low edge triggered
+		2 = high-to-low edge triggered (invalid for SPIs)
 		4 = active high level-sensitive
-		8 = active low level-sensitive
+		8 = active low level-sensitive (invalid for SPIs).
 	bits[15:8] PPI interrupt cpu mask.  Each bit corresponds to each of
 	the 8 possible cpus attached to the GIC.  A bit set to '1' indicated
 	the interrupt is wired to that CPU.  Only valid for PPI interrupts.
+	Also note that the configurability of PPI interrupts is IMPLEMENTATION
+	DEFINED and as such not guaranteed to be present (most SoC available
+	in 2014 seem to ignore the setting of this flag and use the hardware
+	default value).
 
 - reg : Specifies base physical address(s) and size of the GIC registers. The
   first region is the GIC distributor register base and size. The 2nd region is
diff --git a/Documentation/devicetree/bindings/interrupt-controller/digicolor-ic.txt b/Documentation/devicetree/bindings/interrupt-controller/digicolor-ic.txt
new file mode 100644
index 0000000..42d41ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/digicolor-ic.txt
@@ -0,0 +1,21 @@
+Conexant Digicolor Interrupt Controller
+
+Required properties:
+
+- compatible : should be "cnxt,cx92755-ic"
+- reg : Specifies base physical address and size of the interrupt controller
+  registers (IC) area
+- interrupt-controller : Identifies the node as an interrupt controller
+- #interrupt-cells : Specifies the number of cells needed to encode an
+  interrupt source. The value shall be 1.
+- syscon: A phandle to the syscon node describing UC registers
+
+Example:
+
+	intc: interrupt-controller@f0000040 {
+		compatible = "cnxt,cx92755-ic";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = <0xf0000040 0x40>;
+		syscon = <&uc_regs>;
+	};
diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
index c73acd0..4f7946a 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
@@ -9,6 +9,11 @@ Required properties:
     - "renesas,intc-irqpin-r8a7778" (R-Car M1A)
     - "renesas,intc-irqpin-r8a7779" (R-Car H1)
     - "renesas,intc-irqpin-sh73a0" (SH-Mobile AG5)
+
+- reg: Base address and length of each register bank used by the external
+  IRQ pins driven by the interrupt controller hardware module. The base
+  addresses, length and number of required register banks varies with soctype.
+
 - #interrupt-cells: has to be <2>: an interrupt index and flags, as defined in
   interrupts.txt in this directory
 
diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,omap-intc-irq.txt b/Documentation/devicetree/bindings/interrupt-controller/ti,omap-intc-irq.txt
new file mode 100644
index 0000000..38ce5d03
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/ti,omap-intc-irq.txt
@@ -0,0 +1,28 @@
+Omap2/3 intc controller
+
+On TI omap2 and 3 the intc interrupt controller can provide
+96 or 128 IRQ signals to the ARM host depending on the SoC.
+
+Required Properties:
+- compatible: should be one of
+			"ti,omap2-intc"
+			"ti,omap3-intc"
+			"ti,dm814-intc"
+			"ti,dm816-intc"
+			"ti,am33xx-intc"
+
+- interrupt-controller : Identifies the node as an interrupt controller
+- #interrupt-cells : Specifies the number of cells needed to encode interrupt
+		     source, should be 1 for intc
+- interrupts: interrupt reference to primary interrupt controller
+
+Please refer to interrupts.txt in this directory for details of the common
+Interrupt Controllers bindings used by client devices.
+
+Example:
+	intc: interrupt-controller@48200000 {
+		compatible = "ti,omap3-intc";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = <0x48200000 0x1000>;
+	};