linux-kernel - Re: [PATCH 2/4] dt-bindings: usb: atmel,at91sam9g45-ehci: convert to DT schema

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Message-Id: <176994942956.410099.10343293169382130437.robh@kernel.org>
Date: Sun, 01 Feb 2026 06:37:09 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Charan Pedumuru <charan.pedumuru@...il.com>
Cc: devicetree@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 linux-kernel@...r.kernel.org, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 linux-arm-kernel@...ts.infradead.org, 
 Herve Codina <herve.codina@...tlin.com>, linux-usb@...r.kernel.org, 
 Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH 2/4] dt-bindings: usb: atmel,at91sam9g45-ehci: convert
 to DT schema


On Sun, 01 Feb 2026 11:34:21 +0000, Charan Pedumuru wrote:
> Convert Atmel AT91SAM9G45 EHCI USB Host Controller
> binding to DT schema.
> Changes during conversion:
> - Include "usb-ehci" as a fallback compatible to allow atmel EHCI
>   driver matching.
> 
> Signed-off-by: Charan Pedumuru <charan.pedumuru@...il.com>
> ---
>  .../bindings/usb/atmel,at91sam9g45-ehci.yaml       | 71 ++++++++++++++++++++++
>  1 file changed, 71 insertions(+)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Warning: Duplicate compatible "usb-ehci" found in schemas matching "$id":
	http://devicetree.org/schemas/usb/atmel,at91sam9g45-ehci.yaml
	http://devicetree.org/schemas/usb/generic-ehci.yaml#
Warning: Duplicate compatible "atmel,at91sam9g45-ehci" found in schemas matching "$id":
	http://devicetree.org/schemas/usb/atmel,at91sam9g45-ehci.yaml
	http://devicetree.org/schemas/usb/generic-ehci.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/atmel,at91sam9g45-ehci.example.dtb: usb@...000 (atmel,at91sam9g45-ehci): Unevaluated properties are not allowed ('clock-names' was unexpected)
	from schema $id: http://devicetree.org/schemas/usb/generic-ehci.yaml

doc reference errors (make refcheckdocs):

See https://patchwork.kernel.org/project/devicetree/patch/20260201-atmel-usb-v1-2-d1a3e93003f1@gmail.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.