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

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Message-ID: <b4ddf139-5604-bd04-e309-d7bc15e9d23b@linaro.org>
Date:   Fri, 2 Dec 2022 10:02:49 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Icenowy Zheng <uwu@...nowy.me>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Andre Przywara <andre.przywara@....com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 2/6] dt-bindings: usb: Add binding for Genesys Logic
 GL850G hub controller

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@...nowy.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@1 {
> +            compatible = "usb5e3,608";
> +            reg = <1>;
> +            reset-gpios = <&pio 7 2>;

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



Best regards,
Krzysztof