[PATCH v2 07/17] dmaengine: dma-jz4780: Add support for the JZ4740 SoC
From: Paul Cercueil <paul@crapouillou.net>
Date: 2018-07-18 18:22:00
Also in:
linux-mips, lkml
Subsystem:
dma generic offload engine subsystem, ingenic jz47xx socs, the rest · Maintainers:
Vinod Koul, Paul Cercueil, Linus Torvalds
The JZ4740 SoC has a single DMA core starring six DMA channels. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Mathieu Malaterre <redacted> Reviewed-by: PrasannaKumar Muralidharan <redacted> --- 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