Hi On Tue, May 4, 2021 at 1:01 AM Rob Herring <robh@xxxxxxxxxx> wrote: > > On Fri, Apr 23, 2021 at 01:51:47PM +0800, Shengjiu Wang wrote: > > Imx-akcodec is a new added machine driver for supporting > > ak4458/ak5558/ak5552/ak4497 codec on i.MX platforms. > > > > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> > > --- > > .../bindings/sound/imx-audio-akcodec.yaml | 60 +++++++++++++++++++ > > 1 file changed, 60 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml > > > > diff --git a/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml > > new file mode 100644 > > index 000000000000..7419bf7224e9 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml > > @@ -0,0 +1,60 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/sound/imx-audio-akcodec.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: NXP i.MX audio complex with AK4458/AK5558/AK5552/AK4497 codec > > Looks like the existing fsl-asoc-card.txt? You should convert to schema > and use that. Otherwise, my comments are based on this all being 'new'. Ok, let's treat it as 'new' > > > + > > +maintainers: > > + - Shengjiu Wang <shengjiu.wang@xxxxxxx> > > + > > +properties: > > + compatible: > > + enum: > > + - fsl,imx8mq-audio-ak4458 > > + - fsl,imx8mq-audio-ak4497 > > + - fsl,imx8mq-audio-ak5558 > > + - fsl,imx-audio-ak4497 > > + - fsl,imx-audio-ak4458 > > + - fsl,imx-audio-ak5558 > > + - fsl,imx-audio-ak5552 > > I continue to not understand why audio bindings need the codec(s) in the > compatible strings. Can't you look up the codec thru the audio-codec > property? I will try to remove the codecs type from the compatible string and check the codec type in driver. > > > + > > + model: > > + $ref: /schemas/types.yaml#/definitions/string > > + description: User specified audio sound card name > > + > > + audio-cpu: > > + $ref: /schemas/types.yaml#/definitions/phandle > > + description: The phandle of a CPU DAI controller > > + > > + audio-codec: > > + description: The phandle of Codec DAI controllers, there are two > > + controllers maximum. > > We have the common 'sound-dai' property. See the simple-card.yaml > binding. ok, will use sound-dai. > > > + > > + audio-asrc: > > + $ref: /schemas/types.yaml#/definitions/phandle > > + description: The phandle of ASRC. It can be absent if there's no > > + need to add ASRC support via DPCM. > > Needs a vendor prefix. ok, can be removed in the next version. > > > + > > + fsl,tdm: > > + $ref: /schemas/types.yaml#/definitions/flag > > + description: | > > + This is a boolean property. If present, the TDM mode is enabled. > > But this one seems like something that could or should be common. Ok, I will use the common one in the next version. > > > + > > +required: > > + - compatible > > + - model > > + - audio-cpu > > + - audio-codec > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + sound-ak4458 { > > + compatible = "fsl,imx-audio-ak4458"; > > + model = "ak4458-audio"; > > + audio-cpu = <&sai1>; > > + audio-codec = <&ak4458_1>, <&ak4458_2>; > > + }; > > -- > > 2.17.1 > >