[PATCH v2 1/3] dt-bindings: dma: fsl,edma: add per-channel child node support

[Rob Herring (Arm)]

On Wed, 30 Sep 2026 14:26:09 +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan at nxp.com>
> 
> Add support for optional per-channel child nodes (dma-channel@<addr>)
> to the fsl,edma binding. Each child node can carry its own reg,
> interrupts, iommus, and power-domains properties, describing a real
> per-channel MMIO region.
> 
> Enables per-channel IOMMU stream ID assignment via the standard
> iommus property on each child.
> 
> The interrupts property is removed from the required list since
> channels with child nodes carry their own interrupts. Existing DTS
> without child nodes remains valid.
> 
> Assisted-by: LLM
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
>  .../devicetree/bindings/dma/fsl,edma.yaml          | 70 +++++++++++++++++++++-
>  1 file changed, 69 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>