On 01-07-22, 20:22, Conor Dooley wrote:
> From: Conor Dooley
>
> 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: Serge Semin
> Signed-off-by: Conor Dooley
> ---
> .../devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 7 ++-
> 1 file changed, 6 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..98c2ab18d04f 100644
> --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> @@ -34,7 +34,12 @@ properties:
>- const: axidma_apb_regs
>
>interrupts:
> -maxItems: 1
> +description: |
rob asked you to drop this in last patch, pls fix that and send with his
ack
> + 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:
> --
> 2.37.0
--
~Vinod
