dmaengine: dma-jz4780: Add support for the JZ4740 SoC

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>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/dma-jz4780.c

@@ -973,6 +973,11 @@ static int jz4780_dma_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct jz4780_dma_soc_data jz4740_dma_soc_data = {
+	.nb_channels = 6,
+	.transfer_ord_max = 5,
+};
+
 static const struct jz4780_dma_soc_data jz4770_dma_soc_data = {
 	.nb_channels = 6,
 	.transfer_ord_max = 6,
@@ -986,6 +991,7 @@ static const struct jz4780_dma_soc_data jz4780_dma_soc_data = {
 };
 
 static const struct of_device_id jz4780_dma_dt_match[] = {
+	{ .compatible = "ingenic,jz4740-dma", .data = &jz4740_dma_soc_data },
 	{ .compatible = "ingenic,jz4770-dma", .data = &jz4770_dma_soc_data },
 	{ .compatible = "ingenic,jz4780-dma", .data = &jz4780_dma_soc_data },
 	{},