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Subject: Re: [PATCH v3 09/13] ASoC: dt-bindings: tegra: Add schema for audio
 graph card
From: Sameer Pujar <spujar@nvidia.com>
To: Rob Herring <robh@kernel.org>
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>>> Add YAML schema for Tegra audio graph sound card DT bindings. It=20
>>> uses the
>>> same DT bindings provided by generic audio graph driver. Along with=20
>>> this
>>> few standard clock DT bindings are added which are specifically=20
>>> required
>>> for Tegra audio.
>>>
>>> Signed-off-by: Sameer Pujar <spujar@nvidia.com>
>>> ---
>>> =C2=A0 .../sound/nvidia,tegra-audio-graph-card.yaml | 70=20
>>> ++++++++++++++++++++++
>>> =C2=A0 1 file changed, 70 insertions(+)
>>> =C2=A0 create mode 100644=20
>>> Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.y=
aml
>>>
>>> diff --git=20
>>> a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card=
.yaml=20
>>> b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card=
.yaml=20
>>>
>>> new file mode 100644
>>> index 0000000..b73fbe5
>>> --- /dev/null
>>> +++=20
>>> b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card=
.yaml
>>> @@ -0,0 +1,70 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id:=20
>>> http://devicetree.org/schemas/sound/nvidia,tegra-audio-graph-card.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Audio Graph based Tegra sound card driver
>>> +
>>> +description: |
>>> +=C2=A0 This is based on generic audio graph card driver along with=20
>>> additional
>>> +=C2=A0 customizations for Tegra platforms. It uses the same bindings w=
ith
>>> +=C2=A0 additional standard clock DT bindings required for Tegra.
>>> +
>>> +=20
>>> See{LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt
>>> +
>>> +maintainers:
>>> +=C2=A0 - Jon Hunter <jonathanh@nvidia.com>
>>> +=C2=A0 - Sameer Pujar <spujar@nvidia.com>
>>> +
>>> +properties:
>>> +=C2=A0 compatible:
>>> +=C2=A0=C2=A0=C2=A0 oneOf:
>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 - const: nvidia,tegra210-audio-graph-ca=
rd
>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 - const: nvidia,tegra186-audio-graph-ca=
rd
>>> +
>>> +=C2=A0 clocks:
>>> +=C2=A0=C2=A0 minItems: 2
>>> +
>>> +=C2=A0 clock-names:
>>> +=C2=A0=C2=A0 minItems: 2
>>> +=C2=A0=C2=A0 items:
>>> +=C2=A0=C2=A0=C2=A0=C2=A0 - const: pll_a
>>> +=C2=A0=C2=A0=C2=A0=C2=A0 - const: plla_out0
>>> +
>>> +=C2=A0 assigned-clocks:
>>> +=C2=A0=C2=A0=C2=A0 minItems: 1
>>> +=C2=A0=C2=A0=C2=A0 maxItems: 3
>>> +
>>> +=C2=A0 assigned-clock-parents:
>>> +=C2=A0=C2=A0=C2=A0 minItems: 1
>>> +=C2=A0=C2=A0=C2=A0 maxItems: 3
>>> +
>>> +=C2=A0 assigned-clock-rates:
>>> +=C2=A0=C2=A0=C2=A0 minItems: 1
>>> +=C2=A0=C2=A0=C2=A0 maxItems: 3
>>> +
>>> +required:
>>> +=C2=A0 - compatible
>>> +=C2=A0 - clocks
>>> +=C2=A0 - clock-names
>>> +=C2=A0 - assigned-clocks
>>> +=C2=A0 - assigned-clock-parents
>> Where's the graph? You need to define the ports and reference the common
>> schema.
>
> I am looking to reference the bindings used in below doc which is not=20
> yet in YAML format. Only additional properties I listed here.
> {LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt
>
> Should I keep this doc to *.txt format as well and later move to YAML=20
> or is there a way to reference *.txt doc here?

The dependency here is like below,
Tegra audio graph card -> generic audio graph card=20
(audio-graph-card.txt) -> graph (graph.txt)

I plan to convert dependencies to json-schema in next revision and then=20
refer these for Tegra audio graph card.