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Subject[PATCH v3 08/18] dmaengine: dma-jz4780: Add support for the JZ4740 SoC
Date
The JZ4740 SoC has a single DMA core starring six DMA channels.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
Reviewed-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
---
drivers/dma/dma-jz4780.c | 3 +++
1 file changed, 3 insertions(+)

v2: The documentation update is now in patch 01/17

v3: The Kconfig update was dropped thanks to patch 06/18

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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