linux-kernel - Re: [PATCH V3] dt-bindings: usb: dwc3: Add interrupt-names property support for wakeup interrupt

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Date:   Fri, 19 May 2023 02:21:54 -0500
From:   Rob Herring <robh@...nel.org>
To:     Piyush Mehta <piyush.mehta@....com>
Cc:     balbi@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org,
        git@....com, krzysztof.kozlowski+dt@...aro.org,
        gregkh@...uxfoundation.org, robh+dt@...nel.org,
        linux-usb@...r.kernel.org, michal.simek@....com,
        linux-kernel@...r.kernel.org, michal.simek@...inx.com,
        siva.durga.prasad.paladugu@....com
Subject: Re: [PATCH V3] dt-bindings: usb: dwc3: Add interrupt-names
 property support for wakeup interrupt


On Fri, 19 May 2023 12:29:40 +0530, Piyush Mehta wrote:
> The hibernation feature enabled for Xilinx Versal NET SoC in DWC3 IP.
> As the DWC3 IP supports the hibernation feature, to handle the wakeup
> or hibernation interrupt, add host mode "wakeup" interrupt-names
> optional property in the binding schema to capture remote-wakeup and
> connect/ disconnect event in the hibernation state.
> 
> We have a dedicated IRQ line specifically for the hibernation feature.
> When the "wakeup" IRQ line is triggered, it initiates a hibernation
> interrupt, causing the system to wake up from the hibernation state.
> 
> Signed-off-by: Piyush Mehta <piyush.mehta@....com>
> ---
> Change in V2:
> -  Addressed ROB review comments
>  - Updated name of interrupt-names property with "wakeup"
>  - Move interrupt-names property from dwc3-xilinx core to dwc3 core.
> 
> Link: https://lore.kernel.org/all/CAL_JsqK6_7XD7+w+EQvPPmbmSOpfo3JDb0xDN4StuHUm1kgchw@mail.gmail.com/
> 
> Change in V3:
> -  Addressed Krzysztof Kozlowski comments
>  - Update binding schema enum.
>  - Upadet commit message.
> 
> Link: https://lore.kernel.org/all/76dfbf27-8ad2-6e09-5354-b006b9e81af1@linaro.org/
> ---
>  Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: usb@0: usb@...00000:interrupt-names: More than one condition true in oneOf schema:
	{'maxItems': 3,
	 'minItems': 1,
	 'oneOf': [{'items': [{'const': 'dwc_usb3'}],
	            'maxItems': 1,
	            'minItems': 1,
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg']},
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg', 'wakeup']},
	            'type': 'array'}]}
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: usb@0: usb@...00000: Unevaluated properties are not allowed ('interrupt-names' was unexpected)
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: usb@...00000: interrupt-names: More than one condition true in oneOf schema:
	{'maxItems': 3,
	 'minItems': 1,
	 'oneOf': [{'items': [{'const': 'dwc_usb3'}],
	            'maxItems': 1,
	            'minItems': 1,
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg']},
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg', 'wakeup']},
	            'type': 'array'}]}
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: usb@...00000: Unevaluated properties are not allowed ('interrupt-names' was unexpected)
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/ti,am62-usb.example.dtb: usb@...0000: usb@...00000:interrupt-names: More than one condition true in oneOf schema:
	{'maxItems': 3,
	 'minItems': 1,
	 'oneOf': [{'items': [{'const': 'dwc_usb3'}],
	            'maxItems': 1,
	            'minItems': 1,
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg']},
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg', 'wakeup']},
	            'type': 'array'}]}
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/ti,am62-usb.example.dtb: usb@...0000: usb@...00000: Unevaluated properties are not allowed ('interrupt-names' was unexpected)
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/ti,am62-usb.example.dtb: usb@...00000: interrupt-names: More than one condition true in oneOf schema:
	{'maxItems': 3,
	 'minItems': 1,
	 'oneOf': [{'items': [{'const': 'dwc_usb3'}],
	            'maxItems': 1,
	            'minItems': 1,
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg']},
	            'type': 'array'},
	           {'items': {'enum': ['host', 'peripheral', 'otg', 'wakeup']},
	            'type': 'array'}]}
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/ti,am62-usb.example.dtb: usb@...00000: Unevaluated properties are not allowed ('interrupt-names' was unexpected)
	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230519065940.2190786-1-piyush.mehta@amd.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.