[PATCH v3 4/5] dt-bindings: usb: atmel,at91rm9200-udc: convert to DT schema

Charan Pedumuru charan.pedumuru at gmail.com
Thu Mar 12 23:55:46 PDT 2026



On 08-03-2026 14:57, Krzysztof Kozlowski wrote:
> On Sat, Mar 07, 2026 at 09:16:21AM +0000, Charan Pedumuru wrote:
>> Convert Atmel AT91 USB Device Controller (UDC) binding to DT schema.
>> Changes during conversion:
>> - Include "atmel,pullup-gpio" and "atmel,matrix" in the properties since
>>   they are required by existing in-tree DTS definitions.
>>
>> Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
>> Signed-off-by: Charan Pedumuru <charan.pedumuru at gmail.com>
>> ---
>>  .../bindings/usb/atmel,at91rm9200-udc.yaml         | 77 ++++++++++++++++++++++
> 
> Where is the actual conversion? You are supposed to remove other file
> for this to be a "convert".
> 
>>  1 file changed, 77 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/atmel,at91rm9200-udc.yaml b/Documentation/devicetree/bindings/usb/atmel,at91rm9200-udc.yaml
>> new file mode 100644
>> index 000000000000..6961cd5d5d89
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/atmel,at91rm9200-udc.yaml
>> @@ -0,0 +1,77 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/usb/atmel,at91rm9200-udc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Atmel AT91 USB Device Controller (UDC)
>> +
>> +maintainers:
>> +  - Nicolas Ferre <nicolas.ferre at microchip.com>
>> +  - Alexandre Belloni <alexandre.belloni at bootlin.com>
>> +
>> +description:
>> +  The Atmel AT91 USB Device Controller provides USB gadget (device-mode)
>> +  functionality on AT91 SoCs. It requires a peripheral clock and an AHB
>> +  clock for operation and may optionally control VBUS power through a GPIO.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - atmel,at91rm9200-udc
>> +      - atmel,at91sam9260-udc
>> +      - atmel,at91sam9261-udc
>> +      - atmel,at91sam9263-udc
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    minItems: 2
> 
> Drop

Sure.

> 
>> +    maxItems: 2
>> +
>> +  clock-names:
>> +    items:
>> +      - const: pclk
>> +      - const: hclk
>> +
>> +  atmel,vbus-gpio:
>> +    description: GPIO used to enable or control VBUS power for the USB bus.
>> +    maxItems: 1
>> +
>> +  atmel,matrix:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description: Phandle to the Atmel bus matrix controller.
>> +
>> +  atmel,pullup-gpio:
>> +    description:
>> +      GPIO controlling the USB D+ pull-up resistor used to signal device
>> +      connection to the host.
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +  - clocks
>> +  - clock-names
>> +
>> +unevaluatedProperties: false
> 
> additionalProperties

Okay.

> 
> Best regards,
> Krzysztof
> 

-- 
Best Regards,
Charan.




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