linux-kernel - Re: [PATCH v2 1/9] dt-bindings: sound: tegra: add DT binding for AHUB

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Date:   Tue, 4 Feb 2020 09:54:34 +0530
From:   Sameer Pujar <spujar@...dia.com>
To:     Dmitry Osipenko <digetx@...il.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <robh+dt@...nel.org>
CC:     <spujar@...dia.com>, <broonie@...nel.org>, <lgirdwood@...il.com>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sharadg@...dia.com>, <mkumard@...dia.com>,
        <viswanathl@...dia.com>, <rlokhande@...dia.com>,
        <dramesh@...dia.com>, <atalambedu@...dia.com>
Subject: Re: [PATCH v2 1/9] dt-bindings: sound: tegra: add DT binding for AHUB



On 2/4/2020 1:49 AM, Dmitry Osipenko wrote:
> External email: Use caution opening links or attachments
>
>
> 30.01.2020 13:33, Sameer Pujar пишет:
> ...
>> +properties:
>> +  compatible:
>> +    oneOf:
>> +      - items:
>> +          const: nvidia,tegra210-i2s
>> +      - items:
>> +          - enum:
>> +              - nvidia,tegra194-i2s
>> +              - nvidia,tegra186-i2s
>> +          - enum:
>> +              - nvidia,tegra210-i2s
> Couldn't this be something like this:
>
> properties:
>    compatible:
>      - enum:
>        - nvidia,tegra210-i2s
>        - nvidia,tegra186-i2s
>        - nvidia,tegra194-i2s

I used that way because,
For Tegra210: compatible = "nvidia,tegra210-i2s";
For Tegra186: compatible = "nvidia,tegra186-i2s", "nvidia,tegra210-i2s"; 
(future proof)
For Tegra194: compatible = "nvidia,tegra194-i2s", "nvidia,tegra210-i2s"; 
(future proof)

Currently driver uses "nvidia,tegra210-i2s" alone.

YAML binding check fails otherwise as it does not let me have future 
proof bindings.