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-rw-r--r--Documentation/devicetree/bindings/arm/gic.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt
index bae0d87a38b2..5573c08d3180 100644
--- a/Documentation/devicetree/bindings/arm/gic.txt
+++ b/Documentation/devicetree/bindings/arm/gic.txt
@@ -50,6 +50,11 @@ Optional
regions, used when the GIC doesn't have banked registers. The offset is
cpu-offset * cpu-nr.
+- arm,routable-irqs : Total number of gic irq inputs which are not directly
+ connected from the peripherals, but are routed dynamically
+ by a crossbar/multiplexer preceding the GIC. The GIC irq
+ input line is assigned dynamically when the corresponding
+ peripheral's crossbar line is mapped.
Example:
intc: interrupt-controller@fff11000 {
@@ -57,6 +62,7 @@ Example:
#interrupt-cells = <3>;
#address-cells = <1>;
interrupt-controller;
+ arm,routable-irqs = <160>;
reg = <0xfff11000 0x1000>,
<0xfff10100 0x100>;
};