[PATCH v2 2/6] dt-bindings: usb: Add binding for Genesys Logic GL850G hub controller

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Fri Dec 2 01:02:49 PST 2022


On 02/12/2022 09:16, Icenowy Zheng wrote:
> The Genesys Logic GL850G is a USB 2.0 Single TT hub controller that
> features 4 downstream ports, an internal 5V-to-3.3V LDO regulator (can
> be bypassed) and an external reset pin.
> 
> Add a device tree binding for its USB protocol part. The internal LDO is
> not covered by this and can just be modelled as a fixed regulator.
> 
> Signed-off-by: Icenowy Zheng <uwu at icenowy.me>
> ---
> Changes in v2:
> - Misc fixes suggested by Krzysztof, including property descriptions,
>   single-item "items" and fixing the example's gpio property.
> - Fixed $id.
> 
(...)

> +
> +examples:
> +  - |
> +    usb {
> +        dr_mode = "host";
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        hub: hub at 1 {
> +            compatible = "usb5e3,608";
> +            reg = <1>;
> +            reset-gpios = <&pio 7 2>;

Use GPIO flags. What did you fix in the example?



Best regards,
Krzysztof




More information about the linux-arm-kernel mailing list