| From: |
| Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com-AT-kernel.org> |
| To: |
| Vinod Koul <vkoul-AT-kernel.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, Kees Cook <kees-AT-kernel.org>, "Gustavo A. R. Silva" <gustavoars-AT-kernel.org>, Frank Li <Frank.Li-AT-kernel.org> |
| Subject: |
| [PATCH v9 0/3] Add Amlogic general DMA |
| Date: |
| Fri, 26 Jun 2026 05:39:32 +0000 |
| Message-ID: |
| <20260626-amlogic-dma-v9-0-558d672c4a95@amlogic.com> |
| Cc: |
| linux-amlogic-AT-lists.infradead.org, dmaengine-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, linux-hardening-AT-vger.kernel.org, Xianwei Zhao <xianwei.zhao-AT-amlogic.com>, Krzysztof Kozlowski <krzysztof.kozlowski-AT-oss.qualcomm.com>, Frank Li <Frank.Li-AT-nxp.com> |
| Archive-link: |
| Article |
Add DMA driver and bindigns for the Amlogic SoCs.
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
Changes in v9:
- Use each transmission request sg_link mem instead of the loop mem get.
- Fix some hidden issues which reviewed by ai robot.
- Link to v8: https://lore.kernel.org/r/20260521-amlogic-dma-v8-0-86cc2...
Changes in v8:
- Use kzalloc instead of kmalloc.
- Initialize the temporary variable and fix a spelling mistake.
- Link to v7: https://lore.kernel.org/r/20260324-amlogic-dma-v7-0-f8b91...
Changes in v7:
- Take use vchan to support mltiple txns.
- Link to v6: https://lore.kernel.org/r/20260309-amlogic-dma-v6-0-63349...
Changes in v6:
- Some minor modifications according to Frank's suggestion.
- Link to v5: https://lore.kernel.org/r/20260304-amlogic-dma-v5-0-aa453...
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-f25e4...
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-v3-0-56fb9...
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-v2-0-4525d...
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-e289e...
---
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 | 708 +++++++++++++++++++++
include/dt-bindings/dma/amlogic,a9-dma.h | 8 +
6 files changed, 799 insertions(+)
---
base-commit: 4e01d2f7809240ed63a44889386635921c0627b1
change-id: 20251215-amlogic-dma-79477d5cd264
Best regards,
--
Xianwei Zhao <xianwei.zhao@amlogic.com>
