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".
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Sia Jee Heng <jee.heng.sia@xxxxxxxxx>
---
drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 ++++++++
1 file changed, 8 insertions(+)
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 29323e75bc44..8135b827b47a 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);
--
2.18.0
