On Wed, Jul 26, 2023 at 05:02:01PM +0200, Herve Codina wrote: > The QMC (QUICC mutichannel controller) is a controller present in some > PowerQUICC SoC such as MPC885. > The QMC HDLC uses the QMC controller to transfer HDLC data. > > Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx> > --- > .../devicetree/bindings/net/fsl,qmc-hdlc.yaml | 41 +++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml > > diff --git a/Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml b/Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml > new file mode 100644 > index 000000000000..8bb6f34602d9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/fsl,qmc-hdlc.yaml > @@ -0,0 +1,41 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/fsl,qmc-hdlc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: QMC HDLC "QMC HDLC" seems excessively terse. > + > +maintainers: > + - Herve Codina <herve.codina@xxxxxxxxxxx> > + > +description: | > + The QMC HDLC uses a QMC (QUICC Multichannel Controller) channel to transfer > + HDLC data. > + > +properties: > + compatible: > + const: fsl,qmc-hdlc > + > + fsl,qmc-chan: Perhaps I am just showing my lack of knowledge in this area, but what is fsl specific about wanting a reference to the channel of a "QMC"? Is this something that hardware from other manufacturers would not also want to do? > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + - items: > + - description: phandle to QMC node > + - description: Channel number > + description: > + Should be a phandle/number pair. The phandle to QMC node and the QMC > + channel to use. > + > +required: > + - compatible > + - fsl,qmc-chan > + > +additionalProperties: false > + > +examples: > + - | > + hdlc { > + compatible = "fsl,qmc-hdlc"; > + fsl,qmc-chan = <&qmc 16>; > + }; > -- > 2.41.0 >
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