[PATCH 1/3] dt-bindings: phy: nuvoton,ma35d1-usb2-phy: extend for dual-port OTG support

[Joey Lu]

On 6/15/2026 9:40 PM, Rob Herring (Arm) wrote:
> On Mon, 15 Jun 2026 13:49:09 +0800, Joey Lu wrote:
>> The MA35D1 has two USB PHY ports managed by the same hardware block:
>>
>>    - PHY0 (index 0): OTG port shared between the DWC2 gadget controller
>>      and EHCI0/OHCI0 host controllers.  A hardware mux follows the USB
>>      ID pin automatically.
>>
>>    - PHY1 (index 1): dedicated host-only port for EHCI1/OHCI1.
>>
>> Extend the existing binding to cover both ports:
>>
>>    - The PHY node is now a child of the system-management syscon node
>>      with a reg property.  The nuvoton,sys phandle and clocks
>>      properties are removed; the driver derives the regmap from its
>>      parent, and clock gating is owned by each individual USB controller.
>>
>>    - #phy-cells changes from 0 to 1: the cell selects the PHY port.
>>
>>    - Two optional board-tuning properties are added: nuvoton,rcalcode
>>      for per-port resistor trim and nuvoton,oc-active-high for
>>      over-current polarity.
>>
>> Signed-off-by: Joey Lu <a0987203069 at gmail.com>
>> ---
>>   .../bindings/phy/nuvoton,ma35d1-usb2-phy.yaml | 62 ++++++++++++++-----
>>   1 file changed, 48 insertions(+), 14 deletions(-)
>>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> yamllint warnings/errors:
>
> dtschema/dtc warnings/errors:
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.example.dtb: system-management at 40460000 (nuvoton,ma35d1-reset): '#address-cells', '#size-cells', 'usb-phy at 60' do not match any of the regexes: '^pinctrl-[0-9]+$'
> 	from schema $id: http://devicetree.org/schemas/reset/nuvoton,ma35d1-reset.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.example.dtb: system-management at 40460000 (nuvoton,ma35d1-reset): compatible: ['nuvoton,ma35d1-reset', 'syscon', 'simple-mfd'] is too long
> 	from schema $id: http://devicetree.org/schemas/reset/nuvoton,ma35d1-reset.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.example.dtb: system-management at 40460000 (nuvoton,ma35d1-reset): reg: [[0, 1078329344], [0, 512]] is too long
> 	from schema $id: http://devicetree.org/schemas/reset/nuvoton,ma35d1-reset.yaml
>
> doc reference errors (make refcheckdocs):
>
> See https://patchwork.kernel.org/project/devicetree/patch/20260615054911.48821-2-a0987203069@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.
I will fix it.