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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-10-20 10:32:42 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-11-01 12:00:50 +0000 |
| commit | bb2bd7c7f3d0946acc2104db31df228d10f7b598 (patch) | |
| tree | 386ada05bcc0d0ada63b09f768d451656117140a /Documentation | |
| parent | b388bdf2bac7aedac9bde5ab63eaf7646f29fc00 (diff) | |
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
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml index c7cd05656a3e..cc795498488f 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 |