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>

diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index 184d1a2..2d194df 100644 (file)
--- a/drivers/dma/dma-jz4780.c
+++ b/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 },
        {},