linux-kernel - Re: [PATCH v6 8/8] ASoC: sam9x5: get codec MCLK via device tree

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Message-ID: <CACQ1gAj=HpEbiNTaPrGO-XxgVy9s-0Nya+pp4-nh7TzOLhxrNg@mail.gmail.com>
Date:	Tue, 30 Jul 2013 14:15:45 +0200
From:	Richard Genoud <richard.genoud@...il.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Bo Shen <voice.shen@...el.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, devicetree@...r.kernel.org,
	patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH v6 8/8] ASoC: sam9x5: get codec MCLK via device tree

2013/7/30 Mark Brown <broonie@...nel.org>:
> On Tue, Jul 30, 2013 at 12:32:09PM +0200, Richard Genoud wrote:
>
>> --- a/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt
>> +++ b/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt
>> @@ -8,6 +8,8 @@ Required properties:
>>    - atmel,audio-routing: A list of the connections between audio components.
>>      Each entry is a pair of strings, the first being the connection's sink,
>>      the second being the connection's source.
>> +  - clocks: Must contain an entry for the codec master clock.
>> +  - clock-names : Must be "mclk" (clock that feeds the codec master clock)
>
> This should be part of the CODEC binding, not part of the machine driver
> binding.  The machine driver should currently have the code to fetch the
> clock but since the clock physically goes to the CODEC it should be part
> of the CODEC binding.
That makes sense.

Thanks !
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