diff mbox series

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

Message ID 20240405-cdns-qspi-mbly-v2-9-956679866d6d@bootlin.com (mailing list archive)
State Superseded
Headers show
Series spi: cadence-qspi: add Mobileye EyeQ5 support | expand

Commit Message

Théo Lebrun April 5, 2024, 3:02 p.m. UTC 
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 mbox series

Patch

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 */ }
 };