[PATCH v4 1/3] dt-bindings: dma: fsl-edma: add dma-channel-mask property description

Laurentiu Mihalcea laurentiumihalcea111 at gmail.com
Fri Jun 5 03:44:23 PDT 2026



On 2/11/2026 1:28 AM, Joy Zou wrote:
> Add documentation for the dma-channel-mask property in the fsl-edma
> binding. This property uses an inverted bit definition: bit value 0
> indicates the channel is available, while bit value 1 indicates
> unavailable.
> 
> That was already used widely for i.MX8, i.MX9. Correcting the definition
> will break backward compatibility. This reversal only impacts the eDMA
> dts node and driver, and doesn't impact DMA consumer. Therefore,
> keep the inverted definition.
> 
> Also add a note at the top of the binding to highlight this inverted
> definition to prevent confusion.
> 
> Signed-off-by: Joy Zou <joy.zou at nxp.com>
Hi,

I believe this patch hasn't been picked up yet even though it's been ACK'd by one of the
DT binding maintainers.

Frank Li, can you please take it into your tree?


Thanks,
Laurentiu



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