Messages in this thread Patch in this message | | | From | Brad Larson <> | Subject | [PATCH v2 02/13] spi: cadence-quadspi: Add QSPI support for Pensando Elba SoC | Date | Sun, 28 Mar 2021 18:59:27 -0700 |
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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
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