Re: [PATCH v3 05/15] dt-bindings: dma: dw-axi-dmac: extend the number of interrupts

[Serge Semin <fancer.lancer@gmail.com>]

On Wed, Jun 29, 2022 at 07:43:34PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@microchip.com>
> 
> 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
> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
> ---
>  Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> index 4324a94b26b2..e33ef22aec9c 100644
> --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> @@ -34,7 +34,9 @@ properties:
>        - const: axidma_apb_regs
>  
>    interrupts:

> -    maxItems: 1
> +    description: per channel interrupts

Description is inaccurate. It's either combined or per-channel IRQs.

Other than that:
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>

-Sergey

> +    minItems: 1
> +    maxItems: 8
>  
>    clocks:
>      items:
> -- 
> 2.36.1
>