Commit d2852a3e authored by Paul Cercueil's avatar Paul Cercueil Committed by Vinod Koul
Browse files

dmaengine: jz4780: Add support for the JZ4760(B) 



Add support for the JZ4760 and JZ4760B SoCs.

Both SoCs have only 5 DMA channels per chip. The JZ4760B introduced the
DCKES/DCKEC registers.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20210120105322.16116-2-paul@crapouillou.net


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 6ce6acf6

drivers/dma/dma-jz4780.c

+14 −0
Original line number Diff line number Diff line
@@ -1004,6 +1004,18 @@ static const struct jz4780_dma_soc_data jz4725b_dma_soc_data = { 
		 JZ_SOC_DATA_BREAK_LINKS,

};



static const struct jz4780_dma_soc_data jz4760_dma_soc_data = {

	.nb_channels = 5,

	.transfer_ord_max = 6,

	.flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC,

};



static const struct jz4780_dma_soc_data jz4760b_dma_soc_data = {

	.nb_channels = 5,

	.transfer_ord_max = 6,

	.flags = JZ_SOC_DATA_PER_CHAN_PM,

};



static const struct jz4780_dma_soc_data jz4770_dma_soc_data = {

	.nb_channels = 6,

	.transfer_ord_max = 6,
@@ -1031,6 +1043,8 @@ static const struct jz4780_dma_soc_data x1830_dma_soc_data = { 
static const struct of_device_id jz4780_dma_dt_match[] = {

	{ .compatible = "ingenic,jz4740-dma", .data = &jz4740_dma_soc_data },

	{ .compatible = "ingenic,jz4725b-dma", .data = &jz4725b_dma_soc_data },

	{ .compatible = "ingenic,jz4760-dma", .data = &jz4760_dma_soc_data },

	{ .compatible = "ingenic,jz4760b-dma", .data = &jz4760b_dma_soc_data },

	{ .compatible = "ingenic,jz4770-dma", .data = &jz4770_dma_soc_data },

	{ .compatible = "ingenic,jz4780-dma", .data = &jz4780_dma_soc_data },

	{ .compatible = "ingenic,x1000-dma", .data = &x1000_dma_soc_data },