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Date: Thu, 2 Jan 2025 15:25:57 -0600
From: Rob Herring <robh@kernel.org>
To: Marek Vasut <marex@denx.de>
Cc: linux-sound@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Michael Walle <michael@walle.cc>,
	Nicolin Chen <nicoleotsuka@gmail.com>,
	Shengjiu Wang <shengjiu.wang@gmail.com>,
	Stephen Boyd <sboyd@kernel.org>, Takashi Iwai <tiwai@suse.com>,
	Xiubo Li <Xiubo.Lee@gmail.com>, devicetree@vger.kernel.org,
	linux-clk@vger.kernel.org
Subject: Re: [PATCH 1/2] ASoC: dt-bindings: fsl-sai: Document RX/TX BCLK swap
 support
Message-ID: <20250102212557.GA600708-robh@kernel.org>
References: <20241226152953.36230-1-marex@denx.de>
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In-Reply-To: <20241226152953.36230-1-marex@denx.de>

On Thu, Dec 26, 2024 at 04:29:45PM +0100, Marek Vasut wrote:
> Document support for setting the Bit Clock Swap bit in CR2 register
> via new "fsl,sai-bit-clock-swap" DT property. This bit swaps the
> bit clock used by the transmitter or receiver in asynchronous mode,
> i.e. makes transmitter use RX_BCLK and TX_SYNC, and vice versa,
> makes receiver use TX_BCLK and RX_SYNC.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> ---
> Cc: Conor Dooley <conor+dt@kernel.org>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: Jaroslav Kysela <perex@perex.cz>
> Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
> Cc: Liam Girdwood <lgirdwood@gmail.com>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Michael Turquette <mturquette@baylibre.com>
> Cc: Michael Walle <michael@walle.cc>
> Cc: Nicolin Chen <nicoleotsuka@gmail.com>
> Cc: Rob Herring <robh@kernel.org>
> Cc: Shengjiu Wang <shengjiu.wang@gmail.com>
> Cc: Stephen Boyd <sboyd@kernel.org>
> Cc: Takashi Iwai <tiwai@suse.com>
> Cc: Xiubo Li <Xiubo.Lee@gmail.com>
> Cc: devicetree@vger.kernel.org
> Cc: linux-clk@vger.kernel.org
> Cc: linux-sound@vger.kernel.org
> ---
>  Documentation/devicetree/bindings/sound/fsl,sai.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
> index a5d9c246cc476..7a58df1e3f87c 100644
> --- a/Documentation/devicetree/bindings/sound/fsl,sai.yaml
> +++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
> @@ -132,6 +132,13 @@ properties:
>        of transmitter.
>      type: boolean
>  
> +  fsl,sai-bit-clock-swap:
> +    description: |

Don't need '|'.

> +      Enable Bit Clock Swap, which swaps the bit clock used by the transmitter
> +      or receiver in asynchronous mode, i.e. makes transmitter use RX_BCLK and
> +      TX_SYNC, and vice versa, makes receiver use TX_BCLK and RX_SYNC.
> +    type: boolean
> +
>    fsl,shared-interrupt:
>      description: Interrupt is shared with other modules.
>      type: boolean
> -- 
> 2.45.2
>