Re: [PATCH 01/11] dt-bindings: usb: tegra-xudc: Add Tegra234 XUSB controller support

From: Rob Herring <robh@kernel.org>
To: Wayne Chang <waynec@nvidia.com>
Cc: gregkh@linuxfoundation.org, krzysztof.kozlowski+dt@linaro.org,
	treding@nvidia.com, jonathanh@nvidia.com,
	thierry.reding@gmail.com, heikki.krogerus@linux.intel.com,
	ajayg@nvidia.com, kishon@ti.com, vkoul@kernel.org,
	p.zabel@pengutronix.de, balbi@kernel.org,
	mathias.nyman@intel.com, jckuo@nvidia.com,
	linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, singhanc@nvidia.com,
	linux-i2c@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-tegra@vger.kernel.org
Subject: Re: [PATCH 01/11] dt-bindings: usb: tegra-xudc: Add Tegra234 XUSB controller support
Date: Tue, 25 Oct 2022 18:24:40 -0500	[thread overview]
Message-ID: <20221025232440.GA3430479-robh@kernel.org> (raw)
In-Reply-To: <20221024074128.1113554-2-waynec@nvidia.com>

On Mon, Oct 24, 2022 at 03:41:18PM +0800, Wayne Chang wrote:
> Extend the Tegra XUSB controller device tree binding with Tegra234
> support.
> 
> Signed-off-by: Wayne Chang <waynec@nvidia.com>
> ---
>  .../bindings/usb/nvidia,tegra-xudc.yaml       | 24 ++++++++++++-------
>  1 file changed, 16 insertions(+), 8 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
> index fd6e7c81426e..517fb692f199 100644
> --- a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
> +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
> @@ -22,6 +22,7 @@ properties:
>            - nvidia,tegra210-xudc # For Tegra210
>            - nvidia,tegra186-xudc # For Tegra186
>            - nvidia,tegra194-xudc # For Tegra194
> +          - nvidia,tegra234-xudc # For Tegra234
>  
>    reg:
>      minItems: 2
> @@ -90,21 +91,27 @@ properties:
>  
>    phys:
>      minItems: 1
> +    maxItems: 8
>      description:
>        Must contain an entry for each entry in phy-names.
>        See ../phy/phy-bindings.txt for details.
>  
>    phy-names:
>      minItems: 1
> +    maxItems: 8
>      items:
> -      - const: usb2-0
> -      - const: usb2-1
> -      - const: usb2-2
> -      - const: usb2-3
> -      - const: usb3-0
> -      - const: usb3-1
> -      - const: usb3-2
> -      - const: usb3-3
> +      anyOf:
> +        - const: usb2-0
> +        - const: usb2-1
> +        - const: usb2-2
> +        - const: usb2-3
> +        - const: usb3-0
> +        - const: usb3-1
> +        - const: usb3-2
> +        - const: usb3-3

items:
  pattern: '^usb[23]-[0-3]$'

And an explanation why you need any random order. If it is just 
different for Tegra234, then you need an if/then schema for this.

> +
> +  dma-coherent:
> +    type: boolean
>  
>    avddio-usb-supply:
>      description: PCIe/USB3 analog logic power supply. Must supply 1.05 V.
> @@ -153,6 +160,7 @@ allOf:
>              enum:
>                - nvidia,tegra186-xudc
>                - nvidia,tegra194-xudc
> +              - nvidia,tegra234-xudc
>      then:
>        properties:
>          reg:
> -- 
> 2.25.1
> 
> 