On Sat, Aug 1, 2026 at 6:59 AM Rob Herring <[email protected]> wrote: > > On Mon, Jul 20, 2026 at 05:54:47PM +0800, [email protected] wrote: > > From: Shengjiu Wang <[email protected]> > > > > 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 the individual pair endpoints. > > > > Add a ports container that enumerates three named sub-ports: > > port@0 -- pair A > > port@1 -- pair B > > port@2 -- pair C > > > > Each sub-port references audio-graph-port.yaml as before. > > > > 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. Update the examples to > > show both the new ports form and the deprecated port 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. > > > > Signed-off-by: Shengjiu Wang <[email protected]> > > --- > > .../bindings/sound/fsl,imx-asrc.yaml | 78 +++++++++++++++++++ > > 1 file changed, 78 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > > b/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > > index 608defc93c1e..18d252722aa8 100644 > > --- a/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > > +++ b/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > > @@ -78,9 +78,29 @@ properties: > > power-domains: > > maxItems: 1 > > > > + ports: > > + $ref: /schemas/graph.yaml#/properties/ports > > + properties: > > + port@0: > > + $ref: audio-graph-port.yaml# > > + unevaluatedProperties: false > > + description: port for pair A > > + > > + port@1: > > + $ref: audio-graph-port.yaml# > > + unevaluatedProperties: false > > + description: port for pair B > > + > > + port@2: > > + $ref: audio-graph-port.yaml# > > + unevaluatedProperties: false > > + description: port for pair C > > + > > port: > > $ref: audio-graph-port.yaml# > > unevaluatedProperties: false > > + deprecated: true > > + description: deprecated, use ports instead > > > > fsl,asrc-rate: > > $ref: /schemas/types.yaml#/definitions/uint32 > > @@ -125,6 +145,10 @@ required: > > - fsl,asrc-width > > > > allOf: > > + - not: > > + required: > > + - port > > + - ports > > - $ref: dai-common.yaml# > > - if: > > properties: > > @@ -188,3 +212,57 @@ examples: > > }; > > }; > > }; > > + > > + - | > > + #include <dt-bindings/interrupt-controller/irq.h> > > + #include <dt-bindings/clock/imx6qdl-clock.h> > > + asrc1: asrc@2034000 { > > Drop unused label. > > Presumably the existing example uses the deprecated 'port'. If so, just > modify it to use ports and drop the deprecated part.
Ok, I will update it in v3. best regards shengjiu Wang
