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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-10-25 09:30:54 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-11-05 18:00:28 +0100 |
| commit | 4868d87c18aa47ed155f48167387a3b716b461d1 (patch) | |
| tree | ed8daa3bc5125e90feac9f550ce18e7675263632 | |
| parent | dmaengine: fsl-dpaa2-qdma: Remove unnecessary local variables in DPDMAI_CMD_C... (diff) | |
| download | linux-4868d87c18aa47ed155f48167387a3b716b461d1.tar.xz linux-4868d87c18aa47ed155f48167387a3b716b461d1.zip | |
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>
| -rw-r--r-- | Documentation/devicetree/bindings/dma/dma-common.yaml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml b/Documentation/devicetree/bindings/dma/dma-common.yaml index ed0a49a6f020..02a34ba2b49b 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 |