On 02/08/2024 10:32, Inochi Amaoto wrote: > The DMA IP of Sophgo CV18XX/SG200X is based on a DW AXI CORE, with > an additional channel remap register located in the top system control > area. The DMA channel is exclusive to each core. > > In addition, the DMA multiplexer is a subdevice of system controller, > so this binding only contains necessary properties for the multiplexer > itself. > > Add the dmamux binding for CV18XX/SG200X series SoC. > > Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx> > --- > .../bindings/dma/sophgo,cv1800-dmamux.yaml | 51 +++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml Filename should match compatible. > > diff --git a/Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml b/Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml > new file mode 100644 > index 000000000000..11a098ed138a > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml > @@ -0,0 +1,51 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/dma/sophgo,cv1800-dmamux.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sophgo CV1800/SG200 Series DMA multiplexer > + > +maintainers: > + - Inochi Amaoto <inochiama@xxxxxxxxxxx> > + > +description: | Do not need '|' unless you need to preserve formatting. > + The DMA multiplexer of CV1800 is a subdevice of the system > + controller. It support mapping 8 channels, but each channel > + can be mapped only once. > + Best regards, Krzysztof
