Re: [PATCH 1/3] dt-bindings: k3dma: add optional property dma_min_chan

[Vinod]

On 22-06-18, 11:24, Guodong Xu wrote:
> From: Li Yu <liyu65@xxxxxxxxxxxxx>
> 
> Add optional property dma_min_chan for k3dma.
> 
> Signed-off-by: Li Yu <liyu65@xxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt
> index 4945aeac4dc4..2fa1370c3173 100644
> --- a/Documentation/devicetree/bindings/dma/k3dma.txt
> +++ b/Documentation/devicetree/bindings/dma/k3dma.txt
> @@ -12,6 +12,11 @@ Required properties:
>  		have specific request line
>  - clocks: clock required
>  
> +Optional properties:
> +- dma_min_chan: the minimum number of DMA channel which begin to use
> +		the default value is 0, but in some platform is

Sorry I don't understand this property, we already have dma-channels
which describes the channels in a controller. What is purpose of this ?

> +		configured 1, like hi3660 platform
> +
>  Example:
>  
>  Controller:
> @@ -21,6 +26,7 @@ Controller:
>  			#dma-cells = <1>;
>  			dma-channels = <16>;
>  			dma-requests = <27>;
> +			dma_min_chan = <1>;
>  			interrupts = <0 12 4>;
>  			clocks = <&pclk>;
>  		};
> -- 
> 2.17.1

-- 
~Vinod