1) enable the clock(s) before accessing the QSPI registers 2) add RZ/N1 specific compatible string 3) add an option to enable hardware write protection (TBD: maybe drop this change)
Both have been split from "Renesas RZ/N1 additional drivers" series. Signed-off-by: Ralph Siemsen <[email protected]> --- Ralph Siemsen (3): spi: cadence_qspi: enable all clocks spi: cadence_qspi: add RZ/N1 compatible spi: cadence_qspi: Use APB write protection drivers/spi/Kconfig | 11 +++++++++++ drivers/spi/cadence_qspi.c | 13 ++++++++++--- drivers/spi/cadence_qspi.h | 6 ++++++ drivers/spi/cadence_qspi_apb.c | 23 +++++++++++++++++++++++ 4 files changed, 50 insertions(+), 3 deletions(-) --- base-commit: 36c377b9859ffb53eb1e39ea31e8d96d1e0fe1e5 change-id: 20260811-rzn1-2026-10-spi-cec7e474ed54 Best regards, -- Ralph Siemsen <[email protected]>
