The devctl() commands that apply to the Serial Perphiral Interface framework have cover functions:
| Command | Cover function | 
|---|---|
| DCMD_SPI_GET_DEVINFO | spi_getdevinfo() | 
| DCMD_SPI_GET_DRVINFO | spi_getdrvinfo() | 
| DCMD_SPI_SET_CONFIG | spi_setcfg() | 
For more information, see the SPI (Serial Peripheral Interface) Framework technote.