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Signed-off-by: Brad Larson --- 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 */ } }; 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Wed, 03 Mar 2021 19:42:25 -0800 (PST) From: Brad Larson To: linux-arm-kernel@lists.infradead.org Cc: arnd@arndb.de, linus.walleij@linaro.org, bgolaszewski@baylibre.com, broonie@kernel.org, fancer.lancer@gmail.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, olof@lixom.net, brad@pensando.io, linux-gpio@vger.kernel.org, linux-spi@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/8] spi: cadence-quadspi: Add QSPI support for Pensando Elba SoC Date: Wed, 3 Mar 2021 19:41:35 -0800 Message-Id: <20210304034141.7062-3-brad@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210304034141.7062-1-brad@pensando.io> References: <20210304034141.7062-1-brad@pensando.io> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add QSPI controller support fo Pensando Elba SoC. Signed-off-by: Brad Larson --- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel