Re: [PATCH v4 1/7] dt-bindings: interconnect: Add a dma interconnect name

[Georgi Djakov <georgi.djakov@linaro.org>]

On 3/14/19 22:26, Maxime Ripard wrote:
> The current DT bindings assume that the DMA will be performed by the
> devices through their parent DT node, and rely on that assumption for the
> address translation using dma-ranges.
> 
> However, some SoCs have devices that will perform DMA through another bus,
> with separate address translation rules. We therefore need to express that
> relationship, through the special interconnect name "dma".

s/dma/dma-mem/

> 
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

Acked-by: Georgi Djakov <georgi.djakov@linaro.org>

> ---
>  Documentation/devicetree/bindings/interconnect/interconnect.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/interconnect/interconnect.txt b/Documentation/devicetree/bindings/interconnect/interconnect.txt
> index 5a3c575b387a..6f5d23a605b7 100644
> --- a/Documentation/devicetree/bindings/interconnect/interconnect.txt
> +++ b/Documentation/devicetree/bindings/interconnect/interconnect.txt
> @@ -51,6 +51,10 @@ interconnect-names : List of interconnect path name strings sorted in the same
>  		     interconnect-names to match interconnect paths with interconnect
>  		     specifier pairs.
>  
> +                     Reserved interconnect names:
> +			 * dma-mem: Path from the device to the main memory of
> +			            the system
> +
>  Example:
>  
>  	sdhci@7864000 {
>