On 17/12/2021 10:33, conor.dooley@xxxxxxxxxxxxx wrote: > From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > > Add device tree bindings for the hardware rng device accessed via > the system services on the Microchip PolarFire SoC. > > Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > --- > .../bindings/rng/microchip,mpfs-rng.yaml | 29 +++++++++++++++++++ > 1 file changed, 29 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml > > diff --git a/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml > new file mode 100644 > index 000000000000..32cbc37c9292 > --- /dev/null > +++ b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml > @@ -0,0 +1,29 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/rng/microchip,mpfs-rng.yaml#"; > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: Microchip MPFS random number generator > + > +maintainers: > + - Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > + > +description: | > + The hardware random number generator on the Polarfire SoC is > + accessed via the mailbox interface provided by the system controller > + > +properties: > + compatible: > + const: microchip,mpfs-rng > + > +required: > + - compatible > + > +additionalProperties: false > + > +examples: > + - | > + hwrandom: hwrandom { Three topics: 1. Node name (as most of others are using): rng 2. skip the label, not helping in example. 3. This looks very simple, so I wonder if the bindings are complete. No IO space/address... How is it going to be instantiated? > + compatible = "microchip,mpfs-rng"; > + }; > Best regards, Krzysztof
