diff options
Diffstat (limited to 'drivers/spi/spi-tegra210-quad.c')
| -rw-r--r-- | drivers/spi/spi-tegra210-quad.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c index 0b9bc3b7f53a..fbd14dd7be44 100644 --- a/drivers/spi/spi-tegra210-quad.c +++ b/drivers/spi/spi-tegra210-quad.c @@ -142,6 +142,7 @@ #define QSPI_GLOBAL_CONFIG 0X1a4 #define QSPI_CMB_SEQ_EN BIT(0) +#define QSPI_TPM_WAIT_POLL_EN BIT(1) #define QSPI_CMB_SEQ_ADDR 0x1a8 #define QSPI_ADDRESS_VALUE_SET(X) (((x) & 0xFFFF) << 0) @@ -164,6 +165,7 @@ struct tegra_qspi_soc_data { bool has_dma; bool cmb_xfer_capable; + bool supports_tpm; unsigned int cs_count; }; @@ -829,7 +831,7 @@ static u32 tegra_qspi_setup_transfer_one(struct spi_device *spi, struct spi_tran tegra_qspi_mask_clear_irq(tqspi); command1 = tqspi->def_command1_reg; - command1 |= QSPI_CS_SEL(spi->chip_select); + command1 |= QSPI_CS_SEL(spi_get_chipselect(spi, 0)); command1 |= QSPI_BIT_LENGTH(bits_per_word - 1); command1 &= ~QSPI_CONTROL_MODE_MASK; @@ -960,11 +962,11 @@ static int tegra_qspi_setup(struct spi_device *spi) /* keep default cs state to inactive */ val = tqspi->def_command1_reg; - val |= QSPI_CS_SEL(spi->chip_select); + val |= QSPI_CS_SEL(spi_get_chipselect(spi, 0)); if (spi->mode & SPI_CS_HIGH) - val &= ~QSPI_CS_POL_INACTIVE(spi->chip_select); + val &= ~QSPI_CS_POL_INACTIVE(spi_get_chipselect(spi, 0)); else - val |= QSPI_CS_POL_INACTIVE(spi->chip_select); + val |= QSPI_CS_POL_INACTIVE(spi_get_chipselect(spi, 0)); tqspi->def_command1_reg = val; tegra_qspi_writel(tqspi, tqspi->def_command1_reg, QSPI_COMMAND1); @@ -1065,6 +1067,12 @@ static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi, /* Enable Combined sequence mode */ val = tegra_qspi_readl(tqspi, QSPI_GLOBAL_CONFIG); + if (spi->mode & SPI_TPM_HW_FLOW) { + if (tqspi->soc_data->supports_tpm) + val |= QSPI_TPM_WAIT_POLL_EN; + else + return -EIO; + } val |= QSPI_CMB_SEQ_EN; tegra_qspi_writel(tqspi, val, QSPI_GLOBAL_CONFIG); /* Process individual transfer list */ @@ -1196,6 +1204,8 @@ static int tegra_qspi_non_combined_seq_xfer(struct tegra_qspi *tqspi, /* Disable Combined sequence mode */ val = tegra_qspi_readl(tqspi, QSPI_GLOBAL_CONFIG); val &= ~QSPI_CMB_SEQ_EN; + if (tqspi->soc_data->supports_tpm) + val &= ~QSPI_TPM_WAIT_POLL_EN; tegra_qspi_writel(tqspi, val, QSPI_GLOBAL_CONFIG); list_for_each_entry(transfer, &msg->transfers, transfer_list) { struct spi_transfer *xfer = transfer; @@ -1454,24 +1464,28 @@ static irqreturn_t tegra_qspi_isr_thread(int irq, void *context_data) static struct tegra_qspi_soc_data tegra210_qspi_soc_data = { .has_dma = true, .cmb_xfer_capable = false, + .supports_tpm = false, .cs_count = 1, }; static struct tegra_qspi_soc_data tegra186_qspi_soc_data = { .has_dma = true, .cmb_xfer_capable = true, + .supports_tpm = false, .cs_count = 1, }; static struct tegra_qspi_soc_data tegra234_qspi_soc_data = { .has_dma = false, .cmb_xfer_capable = true, + .supports_tpm = true, .cs_count = 1, }; static struct tegra_qspi_soc_data tegra241_qspi_soc_data = { .has_dma = false, .cmb_xfer_capable = true, + .supports_tpm = true, .cs_count = 4, }; @@ -1552,8 +1566,7 @@ static int tegra_qspi_probe(struct platform_device *pdev) tqspi->soc_data = device_get_match_data(&pdev->dev); master->num_chipselect = tqspi->soc_data->cs_count; - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - tqspi->base = devm_ioremap_resource(&pdev->dev, r); + tqspi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &r); if (IS_ERR(tqspi->base)) return PTR_ERR(tqspi->base); @@ -1630,7 +1643,7 @@ exit_pm_disable: return ret; } -static int tegra_qspi_remove(struct platform_device *pdev) +static void tegra_qspi_remove(struct platform_device *pdev) { struct spi_master *master = platform_get_drvdata(pdev); struct tegra_qspi *tqspi = spi_master_get_devdata(master); @@ -1639,8 +1652,6 @@ static int tegra_qspi_remove(struct platform_device *pdev) free_irq(tqspi->irq, tqspi); pm_runtime_force_suspend(&pdev->dev); tegra_qspi_deinit_dma(tqspi); - - return 0; } static int __maybe_unused tegra_qspi_suspend(struct device *dev) @@ -1714,7 +1725,7 @@ static struct platform_driver tegra_qspi_driver = { .acpi_match_table = ACPI_PTR(tegra_qspi_acpi_match), }, .probe = tegra_qspi_probe, - .remove = tegra_qspi_remove, + .remove_new = tegra_qspi_remove, }; module_platform_driver(tegra_qspi_driver); |