On Thu, Feb 21, 2019 at 9:46 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > > This adds DT bindings for the Intel IXP4xx Network Processing > Engine (NPE). These are three firmware-executing units found in > the IXP4xx SoC. These bindings use YAML. > > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > ...ntel,ixp4xx-network-processing-engine.yaml | 44 +++++++++++++++++++ > 1 file changed, 44 insertions(+) > create mode 100644 Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml > > diff --git a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml > new file mode 100644 > index 000000000000..8cb136c376fb > --- /dev/null > +++ b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml > @@ -0,0 +1,44 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2019 Linaro Ltd. > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/firmware/intel-ixp4xx-network-processing-engine.yaml#"; firmware? firmware/ is for things like psci, optee, etc. I'm not sure this fits as it has some sort of h/w interface. Wouldn't networking be a better fit? > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: Intel IXP4xx Network Processing Engine > + > +maintainers: > + - Linus Walleij <linus.walleij@xxxxxxxxxx> > + > +description: | > + On the IXP4xx SoCs, the Network Processing Engine (NPE) is a small > + processor that can load a firmware to perform offloading of networking > + and crypto tasks. It also manages the MDIO bus to the ethernet PHYs > + on the IXP4xx platform. All IXP4xx platforms have three NPEs at > + consecutive memory locations. They are all included in the same > + device node since they are not independent of each other. > + > +properties: > + compatible: > + oneOf: oneOf can be dropped. > + - items: > + - const: intel,ixp4xx-network-processing-engine > + > + reg: > + minItems: 3 > + maxItems: 3 These 2 lines can be dropped. If not specified, they are automatically added based on how many 'items'. > + items: > + - description: NPE0 register range > + - description: NPE1 register range > + - description: NPE2 register range > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + npe@c8006000 { > + compatible = "intel,ixp4xx-network-processing-engine"; > + reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>; > + }; > -- > 2.20.1 >
