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@xxxxxxx>
> ---
> Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
> Cc: Fabio Estevam <festevam@xxxxxxxxx>
> Cc: Jaroslav Kysela <perex@xxxxxxxx>
> Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
> Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
> Cc: Michael Walle <michael@xxxxxxxx>
> Cc: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Shengjiu Wang <shengjiu.wang@xxxxxxxxx>
> Cc: Stephen Boyd <sboyd@xxxxxxxxxx>
> Cc: Takashi Iwai <tiwai@xxxxxxxx>
> Cc: Xiubo Li <Xiubo.Lee@xxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-clk@xxxxxxxxxxxxxxx
> Cc: linux-sound@xxxxxxxxxxxxxxx
> ---
> 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
>
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