diff options
Diffstat (limited to 'Documentation')
4 files changed, 60 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt index 8112d0c3675a..c97484b73e72 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 000000000000..42d41ec84c7b --- /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 c73acd060093..4f7946ae8adc 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 000000000000..38ce5d037722 --- /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>; + }; |