On Sun, Oct 04, 2020 at 06:29:07PM +0200, Martin Blumenstingl wrote: > Etron EJ168/EJ188/EJ198 are USB xHCI host controllers which embed a GPIO > controller. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/gpio/etron,ej1x8.yaml | 48 +++++++++++++++++++ > 1 file changed, 48 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/etron,ej1x8.yaml > > diff --git a/Documentation/devicetree/bindings/gpio/etron,ej1x8.yaml b/Documentation/devicetree/bindings/gpio/etron,ej1x8.yaml > new file mode 100644 > index 000000000000..fa554045bdb5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/etron,ej1x8.yaml > @@ -0,0 +1,48 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/gpio/etron,ej1x8.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: GPIO controller embedded into the EJ168/EJ188/EJ198 xHCI controllers > + > +maintainers: > + - Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - pci1b6f,7023 > + - pci1b6f,7052 > + > + reg: > + maxItems: 1 > + > + "#gpio-cells": > + const: 2 > + > + gpio-controller: true > + > +required: > + - compatible > + - reg > + - "#gpio-cells" > + - gpio-controller > + > +additionalProperties: false > + > +examples: > + - | > + pcie { > + #address-cells = <3>; > + #size-cells = <2>; > + > + gpio@0,0,0 { > + compatible = "pci1b6f,7023"; > + reg = <0x0 0x0 0x0 0x0 0x1000>; > + gpio-controller; > + #gpio-cells = <2>; > + }; How would this look if you needed to describe the XHCI controller? That's another PCI function? > + }; > + > +... > -- > 2.28.0 >
