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Date:   Wed, 6 Dec 2023 07:53:11 -0600
From:   Rob Herring <robh@kernel.org>
To:     Anand Moon <linux.amoon@gmail.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Icenowy Zheng <uwu@icenowy.me>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        linux-amlogic@lists.infradead.org,
        Conor Dooley <conor.dooley@microchip.com>,
        linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/2] dt-bindings: usb: Add the binding example for the
 Genesys Logic GL3523 hub
Message-ID: <20231206135311.GA2043711-robh@kernel.org>
References: <20231204144429.45197-1-linux.amoon@gmail.com>
 <20231204144429.45197-2-linux.amoon@gmail.com>
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On Mon, Dec 04, 2023 at 08:14:25PM +0530, Anand Moon wrote:
> Add the binding example for the USB3.1 Genesys Logic GL3523
> integrates with USB 3.1 Gen 1 Super Speed and USB 2.0 High-Speed
> hub.
> 
> For onboard hub controllers that support USB 3.x and USB 2.0 hubs
> with shared resets and power supplies, this property is used to identify
> the hubs with which these are shared.
> 
> GL3523 has built-in 5V to 3.3V and 5V to 1.2V regulators, which serves
> power to the USB HUB, it uses 5V power regulator.
> 
> Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> V6: fix the description of the regulators
> Updated the commit message for regulator updates.
> add reviewed by Conor Dooley
> [1] https://lore.kernel.org/all/20231130053130.21966-2-linux.amoon@gmail.com/
> v5: upgrade peer-hub description : Conor Dooley
> [0] https://www.genesyslogic.com.tw/en/product_view.php?show=67 [Block Diagram]
> v4: Fix the description of peer-hub and update the commit message.
> Schematics of the Odroid N2+
> https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.6_20210121.pdf
> V3: fix the dt_binding_check error, added new example for Genesys GL3523
> v2: added Genesys GL3523 binding
> v1: none
> ---
>  .../bindings/usb/genesys,gl850g.yaml          | 65 +++++++++++++++++--
>  1 file changed, 61 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
> index ee08b9c3721f..c6f63a69396d 100644
> --- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
> +++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
> @@ -9,9 +9,6 @@ title: Genesys Logic USB hub controller
>  maintainers:
>    - Icenowy Zheng <uwu@icenowy.me>
>  
> -allOf:
> -  - $ref: usb-device.yaml#
> -
>  properties:
>    compatible:
>      enum:
> @@ -27,12 +24,46 @@ properties:
>  
>    vdd-supply:
>      description:
> -      the regulator that provides 3.3V core power to the hub.
> +      The regulator that provides 3.3V or 5.0V core power to the hub.
> +
> +  peer-hub:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      For onboard hub controllers that support USB 3.x and USB 2.0 hubs
> +      with shared resets and power supplies, this property is used to identify
> +      the hubs with which these are shared.
>  
>  required:
>    - compatible
>    - reg
>  
> +allOf:
> +  - $ref: usb-device.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - usb5e3,608
> +    then:
> +      properties:
> +        peer-hub: false
> +        vdd-supply: false
> +        reset-gpios: true
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - usb5e3,610
> +              - usb5e3,620
> +    then:
> +      properties:
> +        peer-hub: true
> +        vdd-supply: true
> +        reset-gpios: true

No need for this if schema. The default is they are allowed.

Rob