diff options
| author | Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com> | 2025-03-11 09:43:17 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2025-04-16 13:42:06 +0200 |
| commit | 3243f71b64db89b8a6c045d41379b65aceabdd3c (patch) | |
| tree | c06e39949efb0d0c8d7daf72688f1c2695498f72 /drivers/spi/cadence_qspi.c | |
| parent | 5ffab6ee1279fe86ab21b529a04b1638a6664eaf (diff) | |
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>
Diffstat (limited to 'drivers/spi/cadence_qspi.c')
| -rw-r--r-- | drivers/spi/cadence_qspi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 623904ecdad..a78c00db4ff 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -33,6 +33,11 @@ __weak int cadence_qspi_apb_dma_read(struct cadence_spi_priv *priv, 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 @@ static int cadence_spi_probe(struct udevice *bus) 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 dm_spi_ops cadence_spi_ops = { static const struct udevice_id cadence_spi_ids[] = { { .compatible = "cdns,qspi-nor" }, { .compatible = "ti,am654-ospi" }, + { .compatible = "amd,versal2-ospi" }, { } }; |