spi: cadence_ospi: Add device reset via OSPI controller
Add support for flash device reset via OSPI controller
instead of using GPIO, as OSPI IP has device reset
feature on Versal Gen2 platform. Also add compatible
string for Versal Gen2 platform.
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Link: https://lore.kernel.org/r/20250311041317.2992862-1-venkatesh.abbarapu@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index 623904e..a78c00d 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -33,6 +33,11 @@
return 0;
}
+__weak int cadence_device_reset(struct udevice *dev)
+{
+ return 0;
+}
+
__weak int cadence_qspi_flash_reset(struct udevice *dev)
{
return 0;
@@ -251,6 +256,9 @@
priv->wr_delay = 50 * DIV_ROUND_UP(NSEC_PER_SEC, priv->ref_clk_hz);
+ if (device_is_compatible(bus, "amd,versal2-ospi"))
+ return cadence_device_reset(bus);
+
/* Reset ospi flash device */
return cadence_qspi_flash_reset(bus);
@@ -452,6 +460,7 @@
static const struct udevice_id cadence_spi_ids[] = {
{ .compatible = "cdns,qspi-nor" },
{ .compatible = "ti,am654-ospi" },
+ { .compatible = "amd,versal2-ospi" },
{ }
};