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/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