Add DMA driver and bindigns for the Amlogic SoCs.
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
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Changes in v7:
- Take use vchan to support mltiple txns.
- Link to v6: https://lore.kernel.org/r/20260309-amlogic-dma-v6-0-63349d23bd4b@amlogic.com
Changes in v6:
- Some minor modifications according to Frank's suggestion.
- Link to v5: https://lore.kernel.org/r/20260304-amlogic-dma-v5-0-aa453d14fd43@amlogic.com
Changes in v5:
- Rename head file and rename macro definition.
- Rename the subject in [2/3] from "dma" to "dmaengine".
- Link to v4: https://lore.kernel.org/r/20260227-amlogic-dma-v4-0-f25e4614e9b7@amlogic.com
Changes in v4:
- Support split transfer when data len > MAX_LEN.
- When a module fails or exits, perform de-initialization.
- Some other minor modifications.
- Link to v3: https://lore.kernel.org/r/20260206-amlogic-dma-v3-0-56fb9f59ed22@amlogic.com
Changes in v3:
- Adjust the format of binding according to Frank's suggestion.
- Some code format modified according to Frank's suggestion.
- Support one prep_sg and one submit, drop multi prep_sg and one submit.
- Keep pre state when resume from pause status.
- Link to v2: https://lore.kernel.org/r/20260127-amlogic-dma-v2-0-4525d327d74d@amlogic.com
Changes in v2:
- Introduce what the DMA is used for in the A9 SoC.
- Some minor modifications were made according to Krzysztof's suggestions.
- Some modifications were made according to Neil's suggestions.
- Fix a build error.
- Link to v1: https://lore.kernel.org/r/20251216-amlogic-dma-v1-0-e289e57e96a7@amlogic.com
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Xianwei Zhao (3):
dt-bindings: dma: Add Amlogic A9 SoC DMA
dmaengine: amlogic: Add general DMA driver for A9
MAINTAINERS: Add an entry for Amlogic DMA driver
.../devicetree/bindings/dma/amlogic,a9-dma.yaml | 65 ++
MAINTAINERS | 7 +
drivers/dma/Kconfig | 10 +
drivers/dma/Makefile | 1 +
drivers/dma/amlogic-dma.c | 682 +++++++++++++++++++++
include/dt-bindings/dma/amlogic,a9-dma.h | 8 +
6 files changed, 773 insertions(+)
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base-commit: 18171b875aa51c7b1770005f048528c95bd95e40
change-id: 20251215-amlogic-dma-79477d5cd264
Best regards,
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Xianwei Zhao <xianwei.zhao@amlogic.com>