diff options
| author | Sia Jee Heng <jee.heng.sia@intel.com> | 2021-01-25 04:32:51 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-02-01 12:38:15 +0300 |
| commit | 3df2d81f878dcd67716f09403a3f4bfa5c319d3b (patch) | |
| tree | 2e1352bba8a812f5bf216887eb9526df2c42dd1a /drivers/dma | |
| parent | cd0f00c39ff48006cb0523b09b22842d21f70e72 (diff) | |
| download | linux-3df2d81f878dcd67716f09403a3f4bfa5c319d3b.tar.xz | |
dmaengine: dw-axi-dmac: Add Intel KeemBay AxiDMA support
Add support for Intel KeemBay AxiDMA to the .compatible field.
The AxiDMA Apb region will be accessible if the compatible string
matches the "intel,kmb-axi-dma".
Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com>
Tested-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Link: https://lore.kernel.org/r/20210125013255.25799-14-jee.heng.sia@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 830d3de76abd..062d27c61983 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -1160,6 +1160,7 @@ static int parse_device_properties(struct axi_dma_chip *chip) static int dw_probe(struct platform_device *pdev) { + struct device_node *node = pdev->dev.of_node; struct axi_dma_chip *chip; struct resource *mem; struct dw_axi_dma *dw; @@ -1192,6 +1193,12 @@ static int dw_probe(struct platform_device *pdev) if (IS_ERR(chip->regs)) return PTR_ERR(chip->regs); + if (of_device_is_compatible(node, "intel,kmb-axi-dma")) { + chip->apb_regs = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(chip->apb_regs)) + return PTR_ERR(chip->apb_regs); + } + chip->core_clk = devm_clk_get(chip->dev, "core-clk"); if (IS_ERR(chip->core_clk)) return PTR_ERR(chip->core_clk); @@ -1336,6 +1343,7 @@ static const struct dev_pm_ops dw_axi_dma_pm_ops = { static const struct of_device_id dw_dma_of_id_table[] = { { .compatible = "snps,axi-dma-1.01a" }, + { .compatible = "intel,kmb-axi-dma" }, {} }; MODULE_DEVICE_TABLE(of, dw_dma_of_id_table); |