Re: [PATCH v2 2/4] dt-bindings: usb: add properties for hard wired devices

From: Rob Herring
Date: Mon Oct 12 2020 - 12:00:43 EST


On Sat, Oct 10, 2020 at 04:43:12PM +0800, Chunfeng Yun wrote:
> Add some optional properties which are needed for hard wired devices
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> ---
> v2 changes suggested by Rob:
> 1. modify pattern to support any USB class
> 2. refer to usb-device.yaml instead of usb-device.txt
> ---
> .../devicetree/bindings/usb/usb-hcd.yaml | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)

You can fold this into the first patch. While not explicit before, it
was implied.

Rob

>
> diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> index 7263b7f2b510..42b295afdf32 100644
> --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> @@ -22,9 +22,28 @@ properties:
> description:
> Name specifier for the USB PHY
>
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> +patternProperties:
> + "^[a-f]+@[0-9a-f]+$":

Just define the unit-address here: "@[0-9a-f]+$"
> + type: object
> + $ref: /usb/usb-device.yaml
> + description: The hard wired USB devices

Need to also define 'reg' and 'compatible' here.

> +
> examples:
> - |
> usb {
> phys = <&usb2_phy1>, <&usb3_phy1>;
> phy-names = "usb";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hub@1 {
> + compatible = "usb5e3,610";
> + reg = <1>;
> + };
> };
> --
> 2.18.0