On Thu, Nov 11, 2021 at 02:51:57PM +0800, nandhini.srikandan@intel.com wrote:

> +      snps,sste:
> +        description: Slave select line will toggle between consecutive
> +          data frames, with the serial clock being held to its default
> +          value while slave select line is high.
> +        type: boolean

This is not something that should be configured in the DT, it needs to
be controlled by the client driver.  Changing this without involving the
client driver will lead to data corruption.