[PATCH v3 09/13] ASoC: dt-bindings: tegra: Add schema for audio graph card
Sameer Pujar
spujar at nvidia.com
Fri Oct 16 07:14:15 CEST 2020
>>> Add YAML schema for Tegra audio graph sound card DT bindings. It
>>> uses the
>>> same DT bindings provided by generic audio graph driver. Along with
>>> this
>>> few standard clock DT bindings are added which are specifically
>>> required
>>> for Tegra audio.
>>>
>>> Signed-off-by: Sameer Pujar <spujar at nvidia.com>
>>> ---
>>> .../sound/nvidia,tegra-audio-graph-card.yaml | 70
>>> ++++++++++++++++++++++
>>> 1 file changed, 70 insertions(+)
>>> create mode 100644
>>> Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
>>> b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
>>>
>>> new file mode 100644
>>> index 0000000..b73fbe5
>>> --- /dev/null
>>> +++
>>> 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
>>> +---
>>> +$id:
>>> http://devicetree.org/schemas/sound/nvidia,tegra-audio-graph-card.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Audio Graph based Tegra sound card driver
>>> +
>>> +description: |
>>> + This is based on generic audio graph card driver along with
>>> additional
>>> + customizations for Tegra platforms. It uses the same bindings with
>>> + additional standard clock DT bindings required for Tegra.
>>> +
>>> +
>>> See{LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt
>>> +
>>> +maintainers:
>>> + - Jon Hunter <jonathanh at nvidia.com>
>>> + - Sameer Pujar <spujar at nvidia.com>
>>> +
>>> +properties:
>>> + compatible:
>>> + oneOf:
>>> + - const: nvidia,tegra210-audio-graph-card
>>> + - const: nvidia,tegra186-audio-graph-card
>>> +
>>> + clocks:
>>> + minItems: 2
>>> +
>>> + clock-names:
>>> + minItems: 2
>>> + items:
>>> + - const: pll_a
>>> + - const: plla_out0
>>> +
>>> + assigned-clocks:
>>> + minItems: 1
>>> + maxItems: 3
>>> +
>>> + assigned-clock-parents:
>>> + minItems: 1
>>> + maxItems: 3
>>> +
>>> + assigned-clock-rates:
>>> + minItems: 1
>>> + maxItems: 3
>>> +
>>> +required:
>>> + - compatible
>>> + - clocks
>>> + - clock-names
>>> + - assigned-clocks
>>> + - 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
> 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
> or is there a way to reference *.txt doc here?
The dependency here is like below,
Tegra audio graph card -> generic audio graph card
(audio-graph-card.txt) -> graph (graph.txt)
I plan to convert dependencies to json-schema in next revision and then
refer these for Tegra audio graph card.
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