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

Krzysztof Kozlowski krzk at kernel.org
Sun Mar 8 01:27:30 PST 2026


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

> +    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

Best regards,
Krzysztof




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