On Mon, Dec 09, 2019 at 06:31:24PM -0600, jassisinghbrar@xxxxxxxxx wrote: > From: Jassi Brar <jaswinder.singh@xxxxxxxxxx> > > Add YAML dt bindings for Maxim MAX3420 UDC controller. > > Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx> > --- > .../bindings/usb/maxim,max3420-udc.yaml | 60 +++++++++++++++++++ > 1 file changed, 60 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml > > diff --git a/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml b/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml > new file mode 100644 > index 000000000000..cf4eec8a618e > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml > @@ -0,0 +1,60 @@ > +# SPDX-License-Identifier: GPL-2.0-only Dual license new bindings please: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/maxim,max3420-udc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MAXIM MAX3420/1 USB Peripheral Controller > + > +maintainers: > + - Jassi Brar <jaswinder.singh@xxxxxxxxxx> > + > +description: | > + The controller provices USB2.0 compliant FullSpeed peripheral > + implementation over the SPI interface. space ^ > + > + Specifications about the part can be found at: > + http://datasheets.maximintegrated.com/en/ds/MAX3420E.pdf > + > +properties: > + compatible: > + enum: > + - maxim,max3420-udc > + - maxim,max3421-udc > + > + reg: > + maxItems: 1 > + > + interrupts: > + minItems: 1 > + maxItems: 2 > + items: > + - const: udc > + - const: vbus interrupts are integers, not strings. Should be interrupt-names? > + > + spi-max-frequency: > + maximum: 26000000 > + > +required: > + - compatible > + - reg > + - interrupts > + - interrupt-names Add: additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + spi0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + udc@0 { > + compatible = "maxim,max3420-udc"; > + reg = <0>; > + interrupt-parent = <&gpio>; > + interrupts = <0 IRQ_TYPE_EDGE_FALLING>, <10 IRQ_TYPE_EDGE_BOTH>; > + interrupt-names = "udc", "vbus"; > + spi-max-frequency = <12500000>; > + }; > + }; > -- > 2.20.1 >