On Thu, 27 Jun 2024 10:31:02 +0200, Elinor Montmasson wrote: > The S/PDIF audio card support with compatible "fsl,imx-audio-spdif" > was merged from imx-spdif into the fsl-asoc-card driver. > It makes possible to use an S/PDIF with an ASRC. > > This merge introduces new DT bindings to use with compatible > "fsl,imx-audio-spdif" to follow the way fsl-asoc-card works: > * the "spdif-controller" property from imx-spdif is named "audio-cpu" > in fsl-asoc-card. > * fsl-asoc-card uses codecs explicitly declared in DT > with "audio-codec". > With an SPDIF, codec drivers spdif_transmitter and > spdif_receiver should be used. > Driver imx-spdif used instead the dummy codec and a pair of > boolean properties, "spdif-in" and "spdif-out". > > In an upcoming commit, in-tree DTs will be modified to follow these new > properties: > * Property "spdif-controller" will be renamed "audio-cpu". > * spdif_transmitter and spdif_receiver nodes will be declared > and linked to the fsl-asoc-card node with the property "audio-codec". > > To keep backward compatibility with other DTs, support for > "spdif-controller", "spdif-in" and "spdif-out" properties is kept. > However, it is recommended to use the new properties if possible. > It is better to declare transmitter and/or receiver > in DT than using the dummy codec. > > DTs using compatible "fsl,imx-audio-spdif" are still supported, and > fsl-asoc-card will behave the same as imx-spdif for these DTs. > > Signed-off-by: Elinor Montmasson <elinor.montmasson@xxxxxxxxxxxxxxxxxxxx> > --- > .../bindings/sound/fsl,imx-audio-spdif.yaml | 66 ------------------- > .../bindings/sound/fsl-asoc-card.yaml | 53 +++++++++++++-- > 2 files changed, 49 insertions(+), 70 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/sound/fsl,imx-audio-spdif.yaml > Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
