linux-kernel - Re: [PATCH 8/8] ASoC: samsung,tm2-audio DT binding documentation update

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Message-id: <67a9f473-0eba-b3d0-ae92-5602658b6958@samsung.com>
Date:   Wed, 07 Feb 2018 17:31:18 +0100
From:   Sylwester Nawrocki <s.nawrocki@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     broonie@...nel.org, lgirdwood@...il.com,
        alsa-devel@...a-project.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        jcsing.lee@...sung.com, sbkim73@...sung.com,
        linux-kernel@...r.kernel.org,
        Bartłomiej Żołnierkiewicz 
        <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 8/8] ASoC: samsung,tm2-audio DT binding documentation
 update

On 02/06/2018 02:05 PM, Krzysztof Kozlowski wrote:
> On Mon, Feb 5, 2018 at 4:44 PM, Sylwester Nawrocki
> <s.nawrocki@...sung.com> wrote:
>> This patch documents additional entries of the audio-codec and
>> i2s-controller properties required for the HDMI audio support.
>>
>> Signed-off-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
>> ---
>>  .../devicetree/bindings/sound/samsung,tm2-audio.txt        | 14 +++++++++-----
>>  1 file changed, 9 insertions(+), 5 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
>> index 94442e5673b3..f5ccc12ddc00 100644
>> --- a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
>> +++ b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
>> @@ -4,9 +4,13 @@ Required properties:
>>
>>   - compatible           : "samsung,tm2-audio"
>>   - model                : the user-visible name of this sound complex
>> - - audio-codec          : the phandle of the wm5110 audio codec node,
>> -                          as described in ../mfd/arizona.txt
>> - - i2s-controller       : the phandle of the I2S controller
>> + - audio-codec          : the first entry should be phandle of the wm5110 audio
>> +                          codec node, as described in ../mfd/arizona.txt;
>> +                          the second entry should be phandle of the HDMI
>
> AFAIU, this property is still optional so the wording should be
> different. Maybe just add "optional properties" paragraph?

I'd like to keep the second entries required in the documentation,
and the driver would still be handling the case with just single 
entries.

-- 
Regards,
Sylwester