[PATCH v2] dt-bindings: dma: st-stm32-dmamux: Add description for dma-cell values

[Amelie Delaunay]

On 12/6/24 12:50, Ken Sloat wrote:
> The dma-cell values for the stm32-dmamux are used to craft the DMA spec
> for the actual controller. These values are currently undocumented
> leaving the user to reverse engineer the driver in order to determine
> their meaning. Add a basic description, while avoiding duplicating
> information by pointing the user to the associated DMA docs that
> describe the fields in depth.
> 
> Signed-off-by: Ken Sloat<ksloat at cornersoftsolutions.com>

Reviewed-by: Amelie Delaunay <amelie.delaunay at foss.st.com>