[PATCH v6 6/7] ASoC: dt-bindings: fsl_easrc: Add document for EASRC

Shengjiu Wang shengjiu.wang at gmail.com
Wed Apr 15 12:55:47 AEST 2020


Hi Rob

On Tue, Apr 14, 2020 at 11:49 PM Rob Herring <robh at kernel.org> wrote:
>
> On Wed, Apr 01, 2020 at 04:45:39PM +0800, Shengjiu Wang wrote:
> > EASRC (Enhanced Asynchronous Sample Rate Converter) is a new
> > IP module found on i.MX8MN.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
> > ---
> >  .../devicetree/bindings/sound/fsl,easrc.yaml  | 101 ++++++++++++++++++
> >  1 file changed, 101 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/sound/fsl,easrc.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
> > new file mode 100644
> > index 000000000000..14ea60084420
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
> > @@ -0,0 +1,101 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/sound/fsl,easrc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: NXP Asynchronous Sample Rate Converter (ASRC) Controller
> > +
> > +maintainers:
> > +  - Shengjiu Wang <shengjiu.wang at nxp.com>
> > +
> > +properties:
> > +  $nodename:
> > +    pattern: "^easrc at .*"
> > +
> > +  compatible:
> > +    const: fsl,imx8mn-easrc
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    items:
> > +      - description: Peripheral clock
> > +
> > +  clock-names:
> > +    items:
> > +      - const: mem
> > +
> > +  dmas:
> > +    maxItems: 8
> > +
> > +  dma-names:
> > +    items:
> > +      - const: ctx0_rx
> > +      - const: ctx0_tx
> > +      - const: ctx1_rx
> > +      - const: ctx1_tx
> > +      - const: ctx2_rx
> > +      - const: ctx2_tx
> > +      - const: ctx3_rx
> > +      - const: ctx3_tx
> > +
> > +  firmware-name:
> > +    allOf:
> > +      - $ref: /schemas/types.yaml#/definitions/string
> > +      - const: imx/easrc/easrc-imx8mn.bin
> > +    description: The coefficient table for the filters
> > +
> > +  fsl,asrc-rate:
>
> fsl,asrc-rate-hz

Can we keep "fsl,asrc-rate", because I want this property
align with the one in fsl,asrc.txt.  These two asrc modules
can share same property name.

best regards
wang shengjiu


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