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dt-bindings: dmaengine: dma-common: Change dma-channel-mask to uint32-array 

Make the dma-channel-mask to be usable for controllers with more than 32
channels.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191025073056.25450-2-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Peter Ujfalusi 2019-10-25 10:30:54 +03:00 committed by Vinod Koul
parent 7208474d1c
commit 4868d87c18
1 changed files with 8 additions and 1 deletions
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9
Documentation/devicetree/bindings/dma/dma-common.yaml
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@ -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