[PATCH] fsl_dspi: set scaler values for CS-SCK and SCK-CS delays

Vladimir Oltean vladimir.oltean at nxp.com
Wed Aug 20 12:03:59 CEST 2025


On Wed, Aug 20, 2025 at 10:17:19AM +0200, Tomas Alvarez Vanoli wrote:
> These values were calculated but not set.
> They are required for the calculation of the delays, as stated in the
> "QorIQ LS1043A Reference Manual, Rev. 6, 07/2020" page 2172.
> 
> The delays are calculated as (1/freq)*PCSSCK*CSSCK and
> (1/freq)*PASC*ASC.
> 
> Signed-off-by: Tomas Alvarez Vanoli <tomas.alvarez-vanoli at hitachienergy.com>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean at nxp.com>

You might also be interested in this related change:
https://github.com/torvalds/linux/commit/c5c31fb71f16ba75bad4ade208abbae225305b65


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