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dt-bindings: irqchip: ti, sci-inta: Update for unmapped event handling 

The new DMA architecture introduced with AM64 introduced new event types:
unampped events.

These events are mapped within INTA in contrast to other K3 devices where
the events with similar function was originating from the UDMAP or ringacc.

The ti,unmapped-event-sources should contain phandle array to the devices
in the system (typically DMA controllers) from where the unmapped events
originate.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201020073243.19255-2-peter.ujfalusi@ti.com
This commit is contained in:
Peter Ujfalusi 2020-10-20 10:32:42 +03:00 committed by Marc Zyngier
parent b388bdf2ba
commit bb2bd7c7f3
1 changed files with 10 additions and 0 deletions
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Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
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@ -32,6 +32,11 @@ description: |
| | vint | bit | | 0 |.....|63| vintx |
| +--------------+ +------------+ |
| |
| Unmap |
| +--------------+ |
Unmapped events ----->| | umapidx |-------------------------> Globalevents
| +--------------+ |
| |
+-----------------------------------------+
Configuration of these Intmap registers that maps global events to vint is
@ -70,6 +75,11 @@ properties:
- description: |
"limit" specifies the limit for translation
ti,unmapped-event-sources:
$ref: /schemas/types.yaml#definitions/phandle-array
description:
Array of phandles to DMA controllers where the unmapped events originate.
required:
- compatible
- reg