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

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Date:   Sun, 01 Nov 2020 17:00:07 -0000
From:   "tip-bot2 for Peter Ujfalusi" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Peter Ujfalusi <peter.ujfalusi@...com>,
        Marc Zyngier <maz@...nel.org>, Rob Herring <robh@...nel.org>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: irq/urgent] dt-bindings: irqchip: ti, sci-inta: Update for
 unmapped event handling

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@...com>
AuthorDate:    Tue, 20 Oct 2020 10:32:42 +03:00
Committer:     Marc Zyngier <maz@...nel.org>
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@...com>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Link: https://lore.kernel.org/r/20201020073243.19255-2-peter.ujfalusi@ti.com
---
 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