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

[Krzysztof Kozlowski]

On 10/08/2026 21:07, Frank Li wrote:
> On Mon, Aug 10, 2026 at 09:12:20AM +0200, Krzysztof Kozlowski wrote:
>> 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 at oss.nxp.com wrote:
>>>> From: Shengjiu Wang <shengjiu.wang at 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 at 0 -- conversion path 0
>>>>   port at 1 -- conversion path 1
>>>>   port at 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?
> 
> Kernel is that only known user. Uboot don't use this part.

So other kernels will get broken?

Best regards,
Krzysztof