Re: [PATCH v3 1/5] ASoC: dt-bindings: fsl,imx-asrc: update port binding to support multiple paths

[Krzysztof Kozlowski <krzk@kernel.org>]

On Tue, Aug 04, 2026 at 09:39:07AM -0500, Frank Li wrote:
> On Tue, Aug 04, 2026 at 06:02:14PM +0800, shengjiu.wang@oss.nxp.com wrote:
> > From: Shengjiu Wang <shengjiu.wang@nxp.com>
> >
> > The i.MX ASRC hardware supports up to three conversion pairs (A, B, C).
> > The existing binding exposed only a single generic audio-graph port,
> > which cannot represent independent conversion paths when multiple pairs
> > are in use simultaneously.
> >
> > Add a ports container that enumerates up to three sub-ports, each
> > representing an independent conversion path:
> >   port@0 -- conversion path 0
> >   port@1 -- conversion path 1
> >   port@2 -- conversion path 2
> >
> > Each sub-port references audio-graph-port.yaml as before. Hardware pairs
> > are allocated dynamically at stream open time; each active stream
> > direction (playback or capture) on a port consumes one hardware pair.
> >
> > For backwards compatibility, keep the old single port property but mark
> > it deprecated. A schema constraint (not: required: [port, ports]) ensures
> > that both forms cannot be used at the same time. The binding example is
> > updated to show the preferred ports form.
> >
> > No existing upstream DTS file for fsl,imx-asrc uses the previously
> > documented single 'port' node, so this change does not break any
> > in-tree device tree.
> 
> if no existing upstream DTS file use it, you can direct replace with ports

And what about all other users of this binding?

Best regards,
Krzysztof