[PATCH 2/8] spi: cadence-quadspi: Add QSPI support for Pensando Elba SoC

[Brad Larson]

Add QSPI controller support fo Pensando Elba SoC.

Signed-off-by: Brad Larson <b...@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 442cc7c53a47..fb0d9b0bd596 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");
        }
@@ -1632,6 +1633,10 @@ 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",
@@ -1649,6 +1654,10 @@ 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