> On 21/07/2023 06:30, adrian.ho.yin.ng@xxxxxxxxx wrote: > > From: Adrian Ng Ho Yin <adrian.ho.yin.ng@xxxxxxxxx> > > > > Existing binding intel,keembay-dwc3.yaml does not have the required > > properties for Intel SoCFPGA devices. > > Introduce new binding description for Intel SoCFPGA USB controller > > which will be used for current and future SoCFPGA devices. > > > > Signed-off-by: Adrian Ng Ho Yin <adrian.ho.yin.ng@xxxxxxxxx> > > A nit, subject: drop second/last, redundant "bindings". The > "dt-bindings" prefix is already stating that these are bindings. Dropped "bindings" in V2 patch. > > > --- > > .../bindings/usb/intel,socfpga-dwc3.yaml | 78 +++++++++++++++++++ > > 1 file changed, 78 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/usb/intel,socfpga-dwc3.yaml > > Filename matching compatible. Update compatible to match file name in V2 patch. > > > > > diff --git > > a/Documentation/devicetree/bindings/usb/intel,socfpga-dwc3.yaml > > b/Documentation/devicetree/bindings/usb/intel,socfpga-dwc3.yaml > > new file mode 100644 > > index 000000000000..dedef70df887 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/usb/intel,socfpga-dwc3.yaml > > @@ -0,0 +1,78 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/usb/intel,socfpga-dwc3.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Intel SoCFPGA DWC3 USB controller > > + > > +maintainers: > > + - Adrian Ng Ho Yin <adrian.ho.yin.ng@xxxxxxxxx> > > + > > +properties: > > + compatible: > > + const: intel,agilex5-dwc3 > > Why using compatible style different than other Agilex blocks? Which > one is recommended/official/correct? This style is used so that future SoCFPGA products can reuse the same binding. > > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 2 > > What are the items? > Update with items description and dropped maxItems for clocks in V2 patch. > > + > > + ranges: true > > + > > + resets: > > + maxItems: 2 > > + > > + reset-names: > > + items: > > + - const: dwc3 > > + - const: dwc3-ecc > > + > > + '#address-cells': > > + enum: [ 1, 2 ] > > + > > + '#size-cells': > > + enum: [ 1, 2 ] > > + > > +# Required child node: > > + > > +patternProperties: > > + "^usb@[0-9a-f]+$": > > + $ref: snps,dwc3.yaml# > > + > > +required: > > + - compatible > > + - reg > > + - clocks > > + - resets > > + - ranges > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/interrupt-controller/irq.h> > > + #include <dt-bindings/reset/altr,rst-mgr.h> > > + #define AGILEX5_USB31_SUSPEND_CLK > > + #define AGILEX5_USB31_BUS_CLK_EARLY > > Drop defines. Include proper header or use some numbers, if the > headers are not there yet. Removed defines and update to use numbers. > > > + > > + usb1@11000000 { > > Node names should be generic. See also an explanation and list of > examples (not > exhaustive) in DT specification: > https://devicetree-specification.readthedocs.io/en/latest/chapter2-dev > icetree- basics.html#generic-names-recommendation > > > > + compatible = "intel,agilex5-dwc3"; Update node name to be generic in V2 patch. Thank You Adrian Ng