Declare a new mobileye,eyeq5-ospi compatible. Exploit quirk flags: detect FIFO depth through SRAMPARTITION register; avoid IRQs during read operations. Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> --- drivers/spi/spi-cadence-quadspi.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 230aad490e03..11f54f507787 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -2059,6 +2059,13 @@ static const struct cqspi_driver_platdata pensando_cdns_qspi = { .quirks = CQSPI_NEEDS_APB_AHB_HAZARD_WAR | CQSPI_DISABLE_DAC_MODE, }; +static const struct cqspi_driver_platdata mobileye_eyeq5_ospi = { + .hwcaps_mask = CQSPI_SUPPORTS_OCTAL, + .quirks = CQSPI_DISABLE_DAC_MODE | CQSPI_NO_SUPPORT_WR_COMPLETION | + CQSPI_DETECT_FIFO_DEPTH | CQSPI_RD_NO_IRQ | + CQSPI_BUSYWAIT_EARLY, +}; + static const struct of_device_id cqspi_dt_ids[] = { { .compatible = "cdns,qspi-nor", @@ -2092,6 +2099,10 @@ static const struct of_device_id cqspi_dt_ids[] = { .compatible = "amd,pensando-elba-qspi", .data = &pensando_cdns_qspi, }, + { + .compatible = "mobileye,eyeq5-ospi", + .data = &mobileye_eyeq5_ospi, + }, { /* end of table */ } }; -- 2.44.0