PetervdPerk-NXP merged zephyrproject-rtos/zephyr#108408 · May 20, 2026 17:04 spi: nxp lpspi: improve RTIO performance with FIFO tuning and DMA support #108408 This PR improves the NXP LPSPI RTIO path by overhauling the driver to reduce register writes, adding DMA support, and tuning the FIFO transfer path… +532 -136 26 comments