Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH v2 1/3] dt-bindings: dmaengine: dma-common: Change dma-channel-mask to uint32-array | Date | Tue, 10 Sep 2019 14:45:57 +0300 |
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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 | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml b/Documentation/devicetree/bindings/dma/dma-common.yaml index ed0a49a6f020..41460946be64 100644 --- a/Documentation/devicetree/bindings/dma/dma-common.yaml +++ b/Documentation/devicetree/bindings/dma/dma-common.yaml @@ -25,11 +25,19 @@ 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. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + items: + minItems = 1 + maxItems = 255 # Should be enough + - description: Mask of channels 0-31 + - description: Mask of channels 32-63 + ... + - description: Mask of chnanels X-(X+31) dma-channels: $ref: /schemas/types.yaml#definitions/uint32 -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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