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dt-bindings: interrupt-controller: update bindings for supporting more SoCs 

Update bindings for Layerscape external irqs,
support more SoCs(LS1043A, LS1046A, LS1088A,
LS208xA, LX216xA)

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201130101515.27431-11-biwen.li@oss.nxp.com
This commit is contained in:
Biwen Li 2020-11-30 18:15:15 +08:00 committed by Marc Zyngier
parent b16a1caf46
commit 9898a59358
1 changed files with 6 additions and 2 deletions
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8
Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
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@ -1,6 +1,7 @@
* Freescale Layerscape external IRQs
Some Layerscape SOCs (LS1021A, LS1043A, LS1046A) support inverting
Some Layerscape SOCs (LS1021A, LS1043A, LS1046A
LS1088A, LS208xA, LX216xA) support inverting
the polarity of certain external interrupt lines.
The device node must be a child of the node representing the
@ -8,12 +9,15 @@ Supplemental Configuration Unit (SCFG).
Required properties:
- compatible: should be "fsl,<soc-name>-extirq", e.g. "fsl,ls1021a-extirq".
"fsl,ls1043a-extirq": for LS1043A, LS1046A.
"fsl,ls1088a-extirq": for LS1088A, LS208xA, LX216xA.
- #interrupt-cells: Must be 2. The first element is the index of the
external interrupt line. The second element is the trigger type.
- #address-cells: Must be 0.
- interrupt-controller: Identifies the node as an interrupt controller
- reg: Specifies the Interrupt Polarity Control Register (INTPCR) in
the SCFG.
the SCFG or the External Interrupt Control Register (IRQCR) in
the ISC.
- interrupt-map: Specifies the mapping from external interrupts to GIC
interrupts.
- interrupt-map-mask: Must be <0xffffffff 0>.