diff options
| author | Benoit Cousson <b-cousson@ti.com> | 2011-11-30 19:21:07 +0100 |
|---|---|---|
| committer | Benoit Cousson <b-cousson@ti.com> | 2012-02-27 10:33:18 +0100 |
| commit | 52fa212088b141dd05957dc4b7f06a893c8166ad (patch) | |
| tree | 9a9c1e90a6acce6dd8ea965e41a7fca79e459b84 /Documentation/devicetree/bindings/arm/omap | |
| parent | 1f52299ec000e2161635b263d81ab92ea7f1f0a7 (diff) | |
ARM: OMAP2/3: intc: Add DT support for TI interrupt controller
Add a function to initialize the OMAP2/3 interrupt controller (INTC)
using a device tree node.
This version take advantage of the new irq_domain_add_legacy API.
Replace some printk() with the proper pr_ macro.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'Documentation/devicetree/bindings/arm/omap')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/intc.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/intc.txt b/Documentation/devicetree/bindings/arm/omap/intc.txt new file mode 100644 index 000000000000..f2583e6ec060 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/intc.txt @@ -0,0 +1,27 @@ +* OMAP Interrupt Controller + +OMAP2/3 are using a TI interrupt controller that can support several +configurable number of interrupts. + +Main node required properties: + +- compatible : should be: + "ti,omap2-intc" +- interrupt-controller : Identifies the node as an interrupt controller +- #interrupt-cells : Specifies the number of cells needed to encode an + interrupt source. The type shall be a <u32> and the value shall be 1. + + The cell contains the interrupt number in the range [0-128]. +- ti,intc-size: Number of interrupts handled by the interrupt controller. +- reg: physical base address and size of the intc registers map. + +Example: + + intc: interrupt-controller@1 { + compatible = "ti,omap2-intc"; + interrupt-controller; + #interrupt-cells = <1>; + ti,intc-size = <96>; + reg = <0x48200000 0x1000>; + }; + |