diff options
| author | Carlo Caione <carlo@caione.org> | 2014-03-19 20:21:19 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-03-26 01:00:50 +0100 |
| commit | ae7d9d3245b7ced5c6f615cfef1250226d518436 (patch) | |
| tree | 0a7aa2776d687851327194ab62bc0f6b1da7dfe0 /Documentation/devicetree | |
| parent | 8ff973a26763ef2f2d45c1649c618dfff528a502 (diff) | |
ARM: sun7i/sun6i: irqchip: Update the documentation
Add documentation for NMI irqchip.
Signed-off-by: Carlo Caione <carlo@caione.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@googlegroups.com
Cc: mark.rutland@arm.com
Cc: hdegoede@redhat.com
Acked-by: maxime.ripard@free-electrons.com
Link: http://lkml.kernel.org/r/1395256879-8475-4-git-send-email-carlo@caione.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt new file mode 100644 index 000000000000..d1c5cdabc3e0 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt @@ -0,0 +1,27 @@ +Allwinner Sunxi NMI Controller +============================== + +Required properties: + +- compatible : should be "allwinner,sun7i-a20-sc-nmi" or + "allwinner,sun6i-a31-sc-nmi" +- reg : Specifies base physical address and size of the registers. +- 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 2. The first cell is the IRQ number, the + second cell the trigger type as defined in interrupt.txt in this directory. +- interrupt-parent: Specifies the parent interrupt controller. +- interrupts: Specifies the interrupt line (NMI) which is handled by + the interrupt controller in the parent controller's notation. This value + shall be the NMI. + +Example: + +sc-nmi-intc@01c00030 { + compatible = "allwinner,sun7i-a20-sc-nmi"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x01c00030 0x0c>; + interrupt-parent = <&gic>; + interrupts = <0 0 4>; +}; |