From 4868d87c18aa47ed155f48167387a3b716b461d1 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Fri, 25 Oct 2019 10:30:54 +0300 Subject: [PATCH] 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 Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20191025073056.25450-2-peter.ujfalusi@ti.com Signed-off-by: Vinod Koul --- Documentation/devicetree/bindings/dma/dma-common.yaml | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml b/Documentation/devicetree/bindings/dma/dma-common.yaml index ed0a49a..02a34ba 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 -- 2.7.4