Commit 4ce653d7 authored by Conor Dooley's avatar Conor Dooley Committed by Vinod Koul
Browse files

dt-bindings: dma: dw-axi-dmac: extend the number of interrupts 

The Canaan k210 apparently has a Sysnopsys Designware AXI DMA
controller, but according to the documentation & devicetree it has 6
interrupts rather than the standard one. Support the 6 interrupt
configuration by unconditionally extending the binding to a maximum of
8 per-channel interrupts thereby matching the number of possible
channels.

Link: https://canaan-creative.com/wp-content/uploads/2020/03/kendryte_standalone_programming_guide_20190311144158_en.pdf

 #Page 51
Reviewed-by: default avatarSerge Semin <fancer.lancer@gmail.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220705215213.1802496-4-mail@conchuod.ie


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 6bc7ea3c

Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml

+6 −1
Original line number Diff line number Diff line
@@ -34,7 +34,12 @@ properties: 
      - const: axidma_apb_regs



  interrupts:

    maxItems: 1

    description:

      If the IP-core synthesis parameter DMAX_INTR_IO_TYPE is set to 1, this

      will be per-channel interrupts. Otherwise, this is a single combined IRQ

      for all channels.

    minItems: 1

    maxItems: 8



  clocks:

    items: