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Diffstat (limited to 'dts/Bindings/dma/dma-common.yaml')
| -rw-r--r-- | dts/Bindings/dma/dma-common.yaml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/dts/Bindings/dma/dma-common.yaml b/dts/Bindings/dma/dma-common.yaml index ed0a49a6f0..02a34ba2b4 100644 --- a/dts/Bindings/dma/dma-common.yaml +++ b/dts/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 |