Add QSPI controller support fo Pensando Elba SoC. Signed-off-by: Brad Larson <brad@xxxxxxxxxxx> --- 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