dt-bindings: irq: imx-irqsteer: Add multi output interrupts support

One irqsteer channel can support up to 8 output interrupts.

Cc: Rob Herring <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: [email protected]
Reviewed-by: Lucas Stach <[email protected]>
Signed-off-by: Dong Aisheng <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>

diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt
index 6d0a41b549430cf8169ddfbe677a8d6ff68b0648..582991c426ee720ac10c775ea810d2d440170496 100644 (file)
--- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt
@@ -6,8 +6,9 @@ Required properties:
        - "fsl,imx8m-irqsteer"
        - "fsl,imx-irqsteer"
 - reg: Physical base address and size of registers.
-- interrupts: Should contain the parent interrupt line used to multiplex the
-  input interrupts.
+- interrupts: Should contain the up to 8 parent interrupt lines used to
+  multiplex the input interrupts. They should be specified sequentially
+  from output 0 to 7.
 - clocks: Should contain one clock for entry in clock-names
   see Documentation/devicetree/bindings/clock/clock-bindings.txt
 - clock-names: