On Thu, Aug 19, 2021 at 04:00:36PM +0800, Chia-Wei Wang wrote: > Add dt-bindings for Aspeed eSPI controller > > Signed-off-by: Chia-Wei Wang <chiawei_wang@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/soc/aspeed/espi.yaml | 158 ++++++++++++++++++ > 1 file changed, 158 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/aspeed/espi.yaml > > diff --git a/Documentation/devicetree/bindings/soc/aspeed/espi.yaml b/Documentation/devicetree/bindings/soc/aspeed/espi.yaml > new file mode 100644 > index 000000000000..fec3d37f3ffd > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/aspeed/espi.yaml > @@ -0,0 +1,158 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# # Copyright (c) 2021 Aspeed Technology Inc. > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/soc/aspeed/espi.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Aspeed eSPI Controller > + > +maintainers: > + - Chia-Wei Wang <chiawei_wang@xxxxxxxxxxxxxx> > + - Ryan Chen <ryan_chen@xxxxxxxxxxxxxx> > + > +description: > + Aspeed eSPI controller implements a slave side eSPI endpoint device > + supporting the four eSPI channels, namely peripheral, virtual wire, > + out-of-band, and flash. > + > +properties: > + compatible: > + items: > + - enum: > + - aspeed,ast2500-espi > + - aspeed,ast2600-espi > + - const: simple-mfd > + - const: syscon Is this really 2 sub devices that could be used individually or in a different combination? If not, then I'd make all this 1 node. Rob