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- Interrupt chips
- ---------------
- * Intel I/O Advanced Programmable Interrupt Controller (IO APIC)
- Required properties:
- --------------------
- compatible = "intel,ce4100-ioapic";
- #interrupt-cells = <2>;
- Device's interrupt property:
- interrupts = <P S>;
- The first number (P) represents the interrupt pin which is wired to the
- IO APIC. The second number (S) represents the sense of interrupt which
- should be configured and can be one of:
- 0 - Edge Rising
- 1 - Level Low
- 2 - Level High
- 3 - Edge Falling
- * Local APIC
- Required property:
- compatible = "intel,ce4100-lapic";
- This node is currently unused by Linux as the address of the local APIC
- read from a MSR.
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