On Fri, Sep 19, 2025 at 01:48:43AM +0700, Dang Huynh wrote: > The Intelligent Flow Controller (IFC) is a scatter/gather DMA > controller. > > Signed-off-by: Dang Huynh <[email protected]> > --- > Documentation/devicetree/bindings/dma/rda,ifc.yaml | 45 > ++++++++++++++++++++++ > include/dt-bindings/dma/rda-ifc.h | 28 ++++++++++++++ > 2 files changed, 73 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/rda,ifc.yaml > b/Documentation/devicetree/bindings/dma/rda,ifc.yaml > new file mode 100644 > index > 0000000000000000000000000000000000000000..323e1e87cee09cfc7b64bf44bef61e4d1e91afa5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/rda,ifc.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/dma/rda,ifc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: RDA Intelligent Flow Controller (IFC) > + > +maintainers: > + - Dang Huynh <[email protected]> > + > +description: | > + RDA IFC is a DMA controller, it only supports scatter/gather lists. > + > +allOf: > + - $ref: dma-controller.yaml# > + > +properties: > + compatible: > + items: > + - enum: > + - rda,8810pl-ifc > + - const: rda,ifc
Also, drop. Generic compatibles are rarely useful. If the next chip has the same block, then 'rda,8810pl-ifc' can be the fallback compatible. Rob
