Re: [PATCH v2 1/4] dt-bindings: usb: generic-ohci: add AT91RM9200 OHCI binding support
From: Rob Herring
Date: Thu Mar 05 2026 - 19:46:50 EST
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@xxxxxxxxx>
> ---
> .../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
>