The JZ4740 SoC has a single DMA core starring six DMA channels.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Tested-by: Mathieu Malaterre <malat@xxxxxxxxxx>
Reviewed-by: PrasannaKumar Muralidharan <prasannatsmkumar@xxxxxxxxx>
---
drivers/dma/Kconfig | 2 +-
drivers/dma/dma-jz4780.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
v2: The documentation update is now in patch 01/17
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 48d25dccedb7..a935d15ec581 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -143,7 +143,7 @@ config DMA_JZ4740
config DMA_JZ4780
tristate "JZ4780 DMA support"
- depends on MACH_JZ4780 || MACH_JZ4770 || COMPILE_TEST
+ depends on MACH_INGENIC || COMPILE_TEST
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS
help
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index a5f4a8d54516..084d4023637e 100644
--- a/drivers/dma/dma-jz4780.c
+++ b/drivers/dma/dma-jz4780.c
@@ -135,6 +135,7 @@ struct jz4780_dma_chan {
};
enum jz_version {
+ ID_JZ4740,
ID_JZ4770,
ID_JZ4780,
};
@@ -803,11 +804,13 @@ static struct dma_chan *jz4780_of_dma_xlate(struct of_phandle_args *dma_spec,
}
static const struct jz4780_dma_soc_data jz4780_dma_soc_data[] = {
+ [ID_JZ4740] = { .nb_channels = 6, .transfer_ord_max = 5, },
[ID_JZ4770] = { .nb_channels = 6, .transfer_ord_max = 6, },
[ID_JZ4780] = { .nb_channels = 32, .transfer_ord_max = 7, },
};
static const struct of_device_id jz4780_dma_dt_match[] = {
+ { .compatible = "ingenic,jz4740-dma", .data = (void *)ID_JZ4740 },
{ .compatible = "ingenic,jz4770-dma", .data = (void *)ID_JZ4770 },
{ .compatible = "ingenic,jz4780-dma", .data = (void *)ID_JZ4780 },
{},
--
2.11.0
--
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