diff mbox series

[6/8] dmaengine: JZ4780: Add support for the JZ4755.

Message ID 20221009181338.2896660-7-lis8215@gmail.com
State Accepted
Commit 042427ea0e415ea25468605f1b562f4ecec43541
Headers show
Series MIPS: ingenic: Add support for the JZ4755 SoC | expand

Commit Message

Siarhei Volkau Oct. 9, 2022, 6:13 p.m. UTC 
The JZ4755 has 4 DMA channels per DMA unit, two idential DMA units.

The JZ4755 has the similar DMA engine to JZ4725b, so I assume it has the
same bug as JZ4725b, see commit a40c94be2336.

Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
---
 drivers/dma/dma-jz4780.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index 2a483802d..9c1a6e9a9 100644
--- a/drivers/dma/dma-jz4780.c
+++ b/drivers/dma/dma-jz4780.c
@@ -1038,6 +1038,13 @@  static const struct jz4780_dma_soc_data jz4725b_dma_soc_data = {
 		 JZ_SOC_DATA_BREAK_LINKS,
 };
 
+static const struct jz4780_dma_soc_data jz4755_dma_soc_data = {
+	.nb_channels = 4,
+	.transfer_ord_max = 5,
+	.flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC |
+		 JZ_SOC_DATA_BREAK_LINKS,
+};
+
 static const struct jz4780_dma_soc_data jz4760_dma_soc_data = {
 	.nb_channels = 5,
 	.transfer_ord_max = 6,
@@ -1101,6 +1108,7 @@  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,jz4755-dma", .data = &jz4755_dma_soc_data },
 	{ .compatible = "ingenic,jz4760-dma", .data = &jz4760_dma_soc_data },
 	{ .compatible = "ingenic,jz4760-mdma", .data = &jz4760_mdma_soc_data },
 	{ .compatible = "ingenic,jz4760-bdma", .data = &jz4760_bdma_soc_data },