linux-kernel - Re: [PATCH v2 1/2] dt-bindings: phy: rockchip,inno-usb2phy: add rk3576

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Message-ID: <20240924-overtly-curable-13df2e7fdc9b@spud>
Date: Tue, 24 Sep 2024 17:11:35 +0100
From: Conor Dooley <conor@...nel.org>
To: Frank Wang <frawang.cn@...il.com>
Cc: vkoul@...nel.org, kishon@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, heiko@...ech.de,
	linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, william.wu@...k-chips.com,
	tim.chen@...k-chips.com, wmc@...k-chips.com,
	Frank Wang <frank.wang@...k-chips.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: phy: rockchip,inno-usb2phy: add
 rk3576

On Tue, Sep 24, 2024 at 04:55:09PM +0800, Frank Wang wrote:
> From: Frank Wang <frank.wang@...k-chips.com>
> 
> Add compatible for the USB2 phy in the Rockchip RK3576 SoC.
> 
> Signed-off-by: Frank Wang <frank.wang@...k-chips.com>
> ---
> Changelog:
> v2:
>  - Categorize clock names by oneOf keyword.
> 
> v1:
>  - https://patchwork.kernel.org/project/linux-phy/patch/20240923025326.10467-1-frank.wang@rock-chips.com/
> 
>  .../bindings/phy/rockchip,inno-usb2phy.yaml      | 16 ++++++++++++++--
>  1 file changed, 14 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml
> index 5254413137c64..8af4e0f8637fc 100644
> --- a/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml
> @@ -20,6 +20,7 @@ properties:
>        - rockchip,rk3366-usb2phy
>        - rockchip,rk3399-usb2phy
>        - rockchip,rk3568-usb2phy
> +      - rockchip,rk3576-usb2phy
>        - rockchip,rk3588-usb2phy
>        - rockchip,rv1108-usb2phy
>  
> @@ -34,10 +35,20 @@ properties:
>      const: 0
>  
>    clocks:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 3
>  
>    clock-names:
> -    const: phyclk
> +    minItems: 1
> +    maxItems: 3

clock-names isn't a required property, you can't allow jumbling the order
like this does without breaking the ABI. Why can't the new device have
phyclk in position 1?

> +    items:
> +      oneOf:
> +        - description: aclk for USB MMU.
> +          const: aclk
> +        - description: aclk_slv for USB MMU.
> +          const: aclk_slv
> +        - description: PHY input reference clocks.
> +          const: phyclk
>  
>    assigned-clocks:
>      description:
> @@ -143,6 +154,7 @@ allOf:
>            contains:
>              enum:
>                - rockchip,rk3568-usb2phy
> +              - rockchip,rk3576-usb2phy
>                - rockchip,rk3588-usb2phy
>  
>      then:
> -- 
> 2.45.2
> 

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