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Message-ID: <171070598512.2141016.568175668659767924.robh@kernel.org>
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>
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