lkml.org 
[lkml]   [2021]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 02/13] spi: cadence-quadspi: Add QSPI support for Pensando Elba SoC
Date
Add QSPI controller support for Pensando Elba SoC

Signed-off-by: Brad Larson <brad@pensando.io>
---
drivers/spi/spi-cadence-quadspi.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 52ddb3255d88..4aacb0b2dbc7 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1353,6 +1353,7 @@ static int cqspi_request_mmap_dma(struct cqspi_st *cqspi)
cqspi->rx_chan = dma_request_chan_by_mask(&mask);
if (IS_ERR(cqspi->rx_chan)) {
int ret = PTR_ERR(cqspi->rx_chan);
+
cqspi->rx_chan = NULL;
return dev_err_probe(&cqspi->pdev->dev, ret, "No Rx DMA available\n");
}
@@ -1633,6 +1634,10 @@ static const struct cqspi_driver_platdata intel_lgm_qspi = {
.quirks = CQSPI_DISABLE_DAC_MODE,
};

+static const struct cqspi_driver_platdata pen_cdns_qspi = {
+ .quirks = CQSPI_NEEDS_WR_DELAY | CQSPI_DISABLE_DAC_MODE,
+};
+
static const struct of_device_id cqspi_dt_ids[] = {
{
.compatible = "cdns,qspi-nor",
@@ -1650,6 +1655,10 @@ static const struct of_device_id cqspi_dt_ids[] = {
.compatible = "intel,lgm-qspi",
.data = &intel_lgm_qspi,
},
+ {
+ .compatible = "pensando,cdns-qspi",
+ .data = &pen_cdns_qspi,
+ },
{ /* end of table */ }
};

--
2.17.1
\
 
 \ /
  Last update: 2021-03-29 04:01    [W:0.530 / U:1.628 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site