[PATCH v2 09/11] spi: cadence-qspi: add mobileye,eyeq5-ospi compatible

Théo Lebrun
2024-04-05T15:02:23Z

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@bootlin.com>
---
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