diff options
| author | Vineet Gupta | 2013-01-18 15:12:21 +0530 |
|---|---|---|
| committer | Vineet Gupta | 2013-02-15 23:15:57 +0530 |
| commit | abe11ddea1d759f9995a9a4636c28c9b40856ca8 (patch) | |
| tree | 53085d131ecbe7a810f9feadcba571f49a2e9465 /Documentation/devicetree | |
| parent | 450dd430bf45ab212a91acfb9bed2528d17f30cd (diff) | |
ARC: [plat-arcfpga]: Enabling DeviceTree for Angel4 board
* arc-uart platform device now populated dynamically, using
of_platform_populate() - applies to any other device whatsoever.
* uart in turn requires incore arc-intc to be also present in DT
* A irq-domain needs to be instantiated for IRQ requests by DT probed
device (e.g. arc-uart)
TODO: switch over to linear irq domain once all devs have been
transitioned to DT
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/arc/interrupts.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arc/interrupts.txt b/Documentation/devicetree/bindings/arc/interrupts.txt new file mode 100644 index 000000000000..9a5d562435ea --- /dev/null +++ b/Documentation/devicetree/bindings/arc/interrupts.txt @@ -0,0 +1,24 @@ +* ARC700 incore Interrupt Controller + + The core interrupt controller provides 32 prioritised interrupts (2 levels) + to ARC700 core. + +Properties: + +- compatible: "snps,arc700-intc" +- interrupt-controller: This is an interrupt controller. +- #interrupt-cells: Must be <1>. + + Single Cell "interrupts" property of a device specifies the IRQ number + between 0 to 31 + + intc accessed via the special ARC AUX register interface, hence "reg" property + is not specified. + +Example: + + intc: interrupt-controller { + compatible = "snps,arc700-intc"; + interrupt-controller; + #interrupt-cells = <1>; + }; |