diff mbox series

[v3,1/3] dt-bindings: dmaengine: dma-common: Change dma-channel-mask to uint32-array

Message ID 20190926111954.9184-2-peter.ujfalusi@ti.com
State Superseded
Headers show
Series dmaengine: bindings/edma: dma-channel-mask to array | expand

Commit Message

Peter Ujfalusi Sept. 26, 2019, 11:19 a.m. UTC 
Make the dma-channel-mask to be usable for controllers with more than 32
channels.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

---
 Documentation/devicetree/bindings/dma/dma-common.yaml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml b/Documentation/devicetree/bindings/dma/dma-common.yaml
index ed0a49a6f020..4527f20301ff 100644
--- a/Documentation/devicetree/bindings/dma/dma-common.yaml
+++ b/Documentation/devicetree/bindings/dma/dma-common.yaml
@@ -25,11 +25,18 @@  properties:
       Used to provide DMA controller specific information.
 
   dma-channel-mask:
-    $ref: /schemas/types.yaml#definitions/uint32
     description:
       Bitmask of available DMA channels in ascending order that are
       not reserved by firmware and are available to the
       kernel. i.e. first channel corresponds to LSB.
+      The first item in the array is for channels 0-31, the second is for
+      channels 32-63, etc.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32-array
+        items:
+          minItems: 1
+          # Should be enough
+          maxItems: 255
 
   dma-channels:
     $ref: /schemas/types.yaml#definitions/uint32