Hi, Keguang, Sorry for the late reply, there is already a ls2x-apb-dma driver, I'm not sure but can they share the same code base? If not, can rename this driver to ls1x-apb-dma for consistency? Huacai On Sat, Mar 16, 2024 at 7:34 PM Keguang Zhang via B4 Relay <devnull+keguang.zhang.gmail.com@xxxxxxxxxx> wrote: > > Add the driver and dt-binding document for Loongson1 DMA. > > Changelog > V5 -> V6: > Change the compatible to the fallback > Implement .device_prep_dma_cyclic for Loongson1 sound driver, > as well as .device_pause and .device_resume. > Set the limitation LS1X_DMA_MAX_DESC and put all descriptors > into one page to save memory > Move dma_pool_zalloc() into ls1x_dma_alloc_desc() > Drop dma_slave_config structure > Use .remove_new instead of .remove > Use KBUILD_MODNAME for the driver name > Improve the debug information > Some minor fixes > V4 -> V5: > Add the dt-binding document > Add DT support > Use DT information instead of platform data > Use chan_id of struct dma_chan instead of own id > Use of_dma_xlate_by_chan_id() instead of ls1x_dma_filter() > Update the author information to my official name > V3 -> V4: > Use dma_slave_map to find the proper channel. > Explicitly call devm_request_irq() and tasklet_kill(). > Fix namespace issue. > Some minor fixes and cleanups. > V2 -> V3: > Rename ls1x_dma_filter_fn to ls1x_dma_filter. > V1 -> V2: > Change the config from 'DMA_LOONGSON1' to 'LOONGSON1_DMA', > and rearrange it in alphabetical order in Kconfig and Makefile. > Fix comment style. > > Keguang Zhang (2): > dt-bindings: dma: Add Loongson-1 DMA > dmaengine: Loongson1: Add Loongson1 dmaengine driver > > .../bindings/dma/loongson,ls1x-dma.yaml | 64 +++ > drivers/dma/Kconfig | 9 + > drivers/dma/Makefile | 1 + > drivers/dma/loongson1-dma.c | 492 ++++++++++++++++++ > 4 files changed, 566 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml > create mode 100644 drivers/dma/loongson1-dma.c > > -- > 2.39.2 > > base-commit: 719136e5c24768ebdf80b9daa53facebbdd377c3 > --- > Keguang Zhang (2): > dt-bindings: dma: Add Loongson-1 DMA > dmaengine: Loongson1: Add Loongson1 dmaengine driver > > .../devicetree/bindings/dma/loongson,ls1x-dma.yaml | 66 ++ > drivers/dma/Kconfig | 9 + > drivers/dma/Makefile | 1 + > drivers/dma/loongson1-dma.c | 665 +++++++++++++++++++++ > 4 files changed, 741 insertions(+) > --- > base-commit: a1e7655b77e3391b58ac28256789ea45b1685abb > change-id: 20231120-loongson1-dma-163afe5708b9 > > Best regards, > -- > Keguang Zhang <keguang.zhang@xxxxxxxxx> > >
