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SubjectRe: [PATCH v2 4/6] dt-bindings: misc: atmel-ssc: LRCLK from TF/RF pin option
On Sat, Aug 24, 2019 at 10:26:55PM +0200, Michał Mirosław wrote:
> Add single-pin LRCLK source options for Atmel SSC module.
>
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
>
> ---
> v2: split from implementation patch
>
> ---
> Documentation/devicetree/bindings/misc/atmel-ssc.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
> index f9fb412642fe..c98e96dbec3a 100644
> --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt
> +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
> @@ -24,6 +24,11 @@ Optional properties:
> this parameter to choose where the clock from.
> - By default the clock is from TK pin, if the clock from RK pin, this
> property is needed.
> + - atmel,lrclk-from-tf-pin: bool property.
> + - atmel,lrclk-from-rf-pin: bool property.
> + - SSC in slave mode gets LRCLK from RF for receive and TF for transmit
> + data direction. This property makes both use single TF (or RF) pin
> + as LRCLK. At most one can be present.

A single property taking 1 of possible 2 values would prevent the error
of more than 1 property present.

> - #sound-dai-cells: Should contain <0>.
> - This property makes the SSC into an automatically registered DAI.
>
> --
> 2.20.1
>

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