On Sat, Jul 27, 2019 at 11:53 AM Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> wrote: > > Lantiq SoCs contain a so-called External Bus Unit. > > It attaches PCI memory as well as NAND and NOR flash. Additioanlly it typo > contains an interrupt-controller for the PCI_INTA interrupt line. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > --- > .../bindings/mips/lantiq/lantiq,ebu.yaml | 53 +++++++++++++++++++ > 1 file changed, 53 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mips/lantiq/lantiq,ebu.yaml > > diff --git a/Documentation/devicetree/bindings/mips/lantiq/lantiq,ebu.yaml b/Documentation/devicetree/bindings/mips/lantiq/lantiq,ebu.yaml > new file mode 100644 > index 000000000000..0b0b27d0b64b > --- /dev/null > +++ b/Documentation/devicetree/bindings/mips/lantiq/lantiq,ebu.yaml > @@ -0,0 +1,53 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mips/lantiq/lantiq,ebu.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Lantiq External Bus Unit (EBU) bindings > + > +maintainers: > + - Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - lantiq,falcon-ebu > + - lantiq,xway-ebu > + > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: The EBU module clock I prefer just 'maxItems: 1' as when there's only one clock, the description is not too useful. > + > + interrupt-controller: > + type: boolean Just 'true' is fine as this already has a defined type. > + > + interrupt-cells: > + const: 2 > + > + interrupts: > + items: > + - description: The EBU module interrupt line > + > +required: > + - compatible > + - reg > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + memory-controller@e105300 { > + compatible = "lantiq,xway-ebu"; > + reg = <0xe105300 0x100>; > + clocks = <&pmu 10>; > + interrupt-controller; > + #interrupt-cells = <2>; > + interrupt-parent = <&icu0>; > + interrupts = <30>; > + }; > +... > -- > 2.22.0 >
