Re: [PATCH v2 1/2] dt-bindings: usb: Add documentation for AM62 USB Wrapper module

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On 24/03/2022 08:34, Aswath Govindraju wrote:
> Add bindings for the TI's AM62 wrapper module for the Synopsys USBSS-DRD
> controller.
> 
> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
> ---
> 
> Changes since v1:
> - made correction in grammer of clocks property description
>   and added maxItems in the interrupts property based on comments
>   received from Roger
> - corrected the title, fixed the description of
>   ti,syscon-phy-pll-refclk, added pattern properties and child node
>   in the example based on the comments from Krzysztof.
> 
>  .../devicetree/bindings/usb/ti,am62-usb.yaml  | 117 ++++++++++++++++++
>  1 file changed, 117 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> 
> diff --git a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> new file mode 100644
> index 000000000000..452bfdc6fb09
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> @@ -0,0 +1,117 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller
> +
> +maintainers:
> +  - Aswath Govindraju <a-govindraju@xxxxxx>
> +
> +properties:
> +  compatible:
> +    const: ti,am62-usb
> +
> +  reg:
> +    maxItems: 1
> +
> +  ranges: true
> +
> +  power-domains:
> +    description:
> +      PM domain provider node and an args specifier containing
> +      the USB ISO device id value. See,
> +      Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
> +    maxItems: 1
> +
> +  clocks:
> +    description: Clock phandle to usb2_refclk
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: ref
> +
> +  id-gpio:
> +    description:
> +      GPIO to be used as ID pin
> +    maxItems: 1

I have doubts about this. If you USB controller handles the ID pin, then
probably this should be moved to usb-connector.yaml. I did not see
id-gpio in any other USB controller blocks.


Best regards,
Krzysztof



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