On 18/03/2024 07:38, Inochi Amaoto wrote: > CV18XX/SG200X series SoCs have a special top misc system controller, > which provides register access for several devices. In addition to > register access, this system controller also contains some subdevices > (such as dmamux). > > Add bindings for top misc controller of CV18XX/SG200X series SoC. > > Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx> > --- > .../soc/sophgo/sophgo,cv1800-top-syscon.yaml | 57 +++++++++++++++++++ > 1 file changed, 57 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml > > diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml > new file mode 100644 > index 000000000000..009e45e520d9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml > @@ -0,0 +1,57 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800-top-syscon.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sophgo CV1800/SG2000 SoC top system controller > + > +maintainers: > + - Inochi Amaoto <inochiama@xxxxxxxxxxx> > + > +description: > + The Sophgo CV1800/SG2000 SoC top misc system controller provides > + register access to configure related modules. > + > +properties: > + compatible: > + items: > + - const: sophgo,cv1800-top-syscon > + - const: syscon > + - const: simple-mfd > + > + reg: > + maxItems: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 1 > + > +required: > + - compatible > + - reg > + > +additionalProperties: > + type: object You have schema for the child, don't you? So use it: add 'dma-router' to the properties with $ref. additionalProperties: false. Explain the dependencies and merging bindings via one tree in the cover letter or commit changelog. Best regards, Krzysztof