[PATCH v2 1/4] dt-bindings: usb: generic-ohci: add AT91RM9200 OHCI binding support

[Rob Herring]

On Tue, Feb 24, 2026 at 01:12:58PM +0000, Charan Pedumuru wrote:
> Add binding support for the Atmel AT91RM9200 OHCI USB host controller
> to the generic OHCI schema.
> 
> Signed-off-by: Charan Pedumuru <charan.pedumuru at gmail.com>
> ---
>  .../devicetree/bindings/usb/generic-ohci.yaml      | 27 ++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> index 961cbf85eeb5..ab8a49142386 100644
> --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> @@ -55,6 +55,7 @@ properties:
>            - ti,ohci-omap3
>        - items:
>            - enum:
> +              - atmel,at91rm9200-ohci
>                - cavium,octeon-6335-ohci
>                - nintendo,hollywood-usb-ohci
>                - nxp,ohci-nxp
> @@ -137,6 +138,16 @@ properties:
>        The associated ISP1301 device. Necessary for the UDC controller for
>        connecting to the USB physical layer.
>  
> +  atmel,vbus-gpio:
> +    description: GPIO used to control or sense the USB VBUS power.
> +    minItems: 1
> +    maxItems: 3
> +
> +  atmel,oc-gpio:
> +    description: GPIO used to signal USB overcurrent condition.
> +    minItems: 1
> +    maxItems: 3
> +
>  required:
>    - compatible
>    - reg
> @@ -144,6 +155,22 @@ required:
>  
>  allOf:
>    - $ref: usb-hcd.yaml
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: atmel,at91rm9200-ohci
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: ohci_clk
> +            - const: hclk
> +            - const: uhpck
> +
> +      required:
> +        - clocks
> +        - clock-names

       else:
         properties:
           atmel,vbus-gpio: false
           atmel,oc-gpio: false

>    - if:
>        not:
>          properties:
> 
> -- 
> 2.53.0
>