linux-kernel - Re: [PATCH 02/13] ASoC: dt-bindings: davinci-mcbsp: Add new properties

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Date: Sun, 17 Mar 2024 14:06:25 -0600
From: Rob Herring <robh@...nel.org>
To: Bastien Curutchet <bastien.curutchet@...tlin.com>
Cc: linux-kernel@...r.kernel.org, christophercordahi@...ometrics.ca,
	Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	Peter Ujfalusi <peter.ujfalusi@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
	linux-sound@...r.kernel.org, herve.codina@...tlin.com,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	devicetree@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
	Takashi Iwai <tiwai@...e.com>
Subject: Re: [PATCH 02/13] ASoC: dt-bindings: davinci-mcbsp: Add new
 properties


On Fri, 15 Mar 2024 12:27:34 +0100, Bastien Curutchet wrote:
> Following features are not described in the bindings:
>  - The McBSP uses an internal sample rate generator to provide bit clock
>    or frame clock. This sample rate generator can be programmed to be
>    driven by McBSP's internal clock source or by an external clock source
>    (located on CLKS pin).
>  - McBSP can be configured in 'free-running' mode so that its serial
>    clocks will continue to run during emulation halt.
>  - McBSP can generate a SYNCERR when unexpected frame pulses are detected
> 
> Add an optional clock item that allows to select an external clock as
> sample rate generator's input.
> 
> Add a 'ti,disable-free-run' flag to disable the free-running mode. This
> mode is selected by default by the driver that's why I add a disabling
> flag instead of an enabling one.
> 
> Add a 'ti,enable-sync-err' flag to enable SYNCERR generation when
> unexpected frame pulses are detected.
> 
> Signed-off-by: Bastien Curutchet <bastien.curutchet@...tlin.com>
> ---
>  .../devicetree/bindings/sound/davinci-mcbsp.yaml | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>