On 10/02/2014 07:09, Bo Shen :
> Add the option to choose clock on which pin input to SSC (as slave).
> Default is on TK pin to SSC, add "atmel,clk-from-rk-pin" option to
> specify the clock is on RK pin to SSC.
>
> Signed-off-by: Bo Shen <voice.shen@xxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
> ---
> Changes in v3:
> - None
> Series-changes: 2
> - using "-" replace "_" in binding document
>
> Documentation/devicetree/bindings/misc/atmel-ssc.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
> index a45ae08..5c1e14e 100644
> --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt
> +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
> @@ -14,6 +14,14 @@ Required properties for devices compatible with "atmel,at91sam9g45-ssc":
> See Documentation/devicetree/bindings/dma/atmel-dma.txt for details.
> - dma-names: Must be "tx", "rx".
>
> +Optional properties:
> + - atmel,clk-from-rk-pin: bool property.
> + - When SSC works in slave mode, according to the hardware design, the
> + clock can get from TK pin, and also can get from RK pin. So, add
> + 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.
> +
> Examples:
> - PDC transfer:
> ssc0: ssc@fffbc000 {
>
--
Nicolas Ferre
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