Re: [PATCH v2 7/9] dt-bindings: spi: mtk-snfi: Add read latch latency property

[AngeloGioacchino Del Regno]

Il 05/12/22 07:57, Xiangsheng Hou ha scritto:
> Add mediatek,rx-latch-latency property which adjust read delay in the
> unit of clock cycle.
>
> Signed-off-by: Xiangsheng Hou <xiangsheng.hou@xxxxxxxxxxxx>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>   .../devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml     | 7 +++++++
>   1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> index bab23f1b11fd..6e6ff8d73fcd 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> @@ -45,6 +45,13 @@ properties:
>       description: device-tree node of the accompanying ECC engine.
>       $ref: /schemas/types.yaml#/definitions/phandle
>   
> +  mediatek,rx-latch-latency:
> +    description: Rx delay to sample data with this value, the value
> +                 unit is clock cycle.

Can't we use nanoseconds or microseconds as a unit here, instead of clock cycles?

Regards,
Angelo