[tip: irq/urgent] dt-bindings: irqchip: ti, sci-inta: Update for unmapped event handling

From: tip-bot2 for Peter Ujfalusi
Date: Sun Nov 01 2020 - 12:01:09 EST


The following commit has been merged into the irq/urgent branch of tip:

Commit-ID: bb2bd7c7f3d0946acc2104db31df228d10f7b598
Gitweb: https://git.kernel.org/tip/bb2bd7c7f3d0946acc2104db31df228d10f7b598
Author: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
AuthorDate: Tue, 20 Oct 2020 10:32:42 +03:00
Committer: Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Sun, 01 Nov 2020 12:00:50

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@xxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201020073243.19255-2-peter.ujfalusi@xxxxxx
---
Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
index c7cd056..cc79549 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
@@ -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