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dt-bindings: mtk-sysirq: Add multiple bases support for Mediatek sysirq

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This describes how to specify multiple base addresses for sysirq
in mediatek platforms.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Mars Cheng 2017-03-19 23:26:22 +08:00 • committed by Marc Zyngier
parent 390d2d490b
commit d240fe0a40
1 changed files with 7 additions and 4 deletions
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11
Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
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@ -21,13 +21,16 @@ Required properties:
- interrupt-parent: phandle of irq parent for sysirq. The parent must
use the same interrupt-cells format as GIC.
- reg: Physical base address of the intpol registers and length of memory
mapped region.
mapped region. Could be multiple bases here. Ex: mt6797 needs 2 reg, others
need 1.
Example:
sysirq: interrupt-controller@10200100 {
compatible = "mediatek,mt6589-sysirq", "mediatek,mt6577-sysirq";
sysirq: intpol-controller@10200620 {
compatible = "mediatek,mt6797-sysirq",
"mediatek,mt6577-sysirq";
interrupt-controller;
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
reg = <0 0x10200100 0 0x1c>;
reg = <0 0x10220620 0 0x20>,
<0 0x10220690 0 0x10>;
};