linux-kernel - Re: [PATCH v2] dt-bindings: sound: nvidia,tegra-audio: Convert multiple txt bindings to yaml

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Date:   Thu, 16 Dec 2021 18:42:53 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     David Heidelberg <david@...t.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        ~okias/devicetree@...ts.sr.ht, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: sound: nvidia,tegra-audio: Convert
 multiple txt bindings to yaml

16.12.2021 16:44, Thierry Reding пишет:
> On Thu, Dec 16, 2021 at 05:52:12AM +0300, Dmitry Osipenko wrote:
>> 12.12.2021 01:49, David Heidelberg пишет:
>>> +unevaluatedProperties: false
>>> +
>>> +examples:
>>> +  - |
>>> +    sound {
>>> +        compatible = "nvidia,tegra-audio-rt5677-ryu",
>>> +                     "nvidia,tegra-audio-rt5677";
>>> +        nvidia,model = "NVIDIA Tegra Ryu";
>>> +
>>> +        nvidia,audio-routing =
>>> +                "Headphone", "LOUT2",
>>> +                "Headphone", "LOUT1",
>>> +                "Headset Mic", "MICBIAS1",
>>> +                "IN1P", "Headset Mic",
>>> +                "IN1N", "Headset Mic",
>>> +                "DMIC L1", "Internal Mic 1",
>>> +                "DMIC R1", "Internal Mic 1",
>>> +                "DMIC L2", "Internal Mic 2",
>>> +                "DMIC R2", "Internal Mic 2",
>>> +                "Speaker", "PDM1L",
>>> +                "Speaker", "PDM1R";
>>> +
>>> +        nvidia,i2s-controller = <&tegra_i2s1>;
>>> +        nvidia,audio-codec = <&rt5677>;
>>> +
>>> +        nvidia,hp-det-gpios = <&gpio 143 0>;
>>> +        nvidia,mic-present-gpios = <&gpio 132 1>;
>>> +        nvidia,hp-en-gpios = <&rt5677 1 0>;
>>> +        nvidia,dmic-clk-en-gpios = <&rt5677 2 1>;
>>
>> I spotted that nvidia,dmic-clk-en-gpios is undocumented, but DTs and
>> binding are passing the validation. We will make another patch to fix it.
>>
>> Rob, could you please tell whether this is because unevaluatedProperties
>> doesn't work yet or we're missing something?
> 
> If you update dt-schema.git to the latest "main" branch you should have
> most of what's needed to make unevaluatedProperties work. However, there
> seems to be an issue with some $referenced schemas setting
> additionalProperties to true and then that gets propogated to the schema
> that included it.
> 
> Rob came up with the patch below to fix that:
> 
> --- >8 ---
> diff --git a/dtschema/lib.py b/dtschema/lib.py
> index 3cc5e428b0eb..a0f22aab935a 100644
> --- a/dtschema/lib.py
> +++ b/dtschema/lib.py
> @@ -367,6 +367,9 @@ def fixup_sub_schema(schema, is_prop):
>      if not isinstance(schema, dict):
>          return
> 
> +    if 'additionalProperties' in schema and schema['additionalProperties'] == True:
> +        schema.pop('additionalProperties', None)
> +
>      schema.pop('description', None)
>      fixup_interrupts(schema)
>      if is_prop:
> --- >8 ---
> 
> I'm currently running the tools based on that and it's indeed been
> flagging some properties as unevaluated that weren't there before.

Thank you! The unevaluatedProperties indeed works properly using this patch.