linux-kernel - Re: [PATCH v3] dt-bindings: phy: Add rk3576 hdptx phy

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Message-ID: <8470934.EvYhyI6sBW@diego>
Date: Sun, 09 Feb 2025 21:13:15 +0100
From: Heiko Stübner <heiko@...ech.de>
To: vkoul@...nel.org, Andy Yan <andyshrk@....com>
Cc: cristian.ciocaltea@...labora.com, kishon@...nel.org, krzk+dt@...nel.org,
 robh@...nel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-phy@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 Andy Yan <andy.yan@...k-chips.com>
Subject: Re: [PATCH v3] dt-bindings: phy: Add rk3576 hdptx phy

Vinod,

Am Dienstag, 31. Dezember 2024, 10:27:11 MEZ schrieb Andy Yan:
> From: Andy Yan <andy.yan@...k-chips.com>
> 
> Add compatible for the HDPTX PHY on rk3576, which is compatible with
> rk3588, but without rst_phy/rst_ropll/rst_lcpll.
> 
> In fact, these three reset lines are also optional on the rk3588,
> they just used for debug, then they were removed on the rk3576 IC
> design.
> 
> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>

With the binding more in the driver-realm, I guess this should go through
the phy tree?

Thanks a lot
Heiko


> ---
> 
> Changes in v3:
> - Split from:
>   https://lore.kernel.org/linux-rockchip/3330586.aeNJFYEL58@diego/T/#m02151cd8591d7fe92cf30ab69701ed57c1944c06
> 
> Changes in v2:
> - Wrap commit message according to Linux coding style
> - Make "rockchip,rk3588-hdptx-phy" const for "rockchip,rk3576-hdptx-phy"
> - Make declare phy/ropll/lcpll reset line are not exit on rk3576
> 
>  .../phy/rockchip,rk3588-hdptx-phy.yaml        | 62 +++++++++++++------
>  1 file changed, 44 insertions(+), 18 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml
> index 84fe59dbcf48..7a307f45cdec 100644
> --- a/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml
> @@ -11,8 +11,13 @@ maintainers:
>  
>  properties:
>    compatible:
> -    enum:
> -      - rockchip,rk3588-hdptx-phy
> +    oneOf:
> +      - enum:
> +          - rockchip,rk3588-hdptx-phy
> +      - items:
> +          - enum:
> +              - rockchip,rk3576-hdptx-phy
> +          - const: rockchip,rk3588-hdptx-phy
>  
>    reg:
>      maxItems: 1
> @@ -34,24 +39,12 @@ properties:
>      const: 0
>  
>    resets:
> -    items:
> -      - description: PHY reset line
> -      - description: APB reset line
> -      - description: INIT reset line
> -      - description: CMN reset line
> -      - description: LANE reset line
> -      - description: ROPLL reset line
> -      - description: LCPLL reset line
> +    minItems: 4
> +    maxItems: 7
>  
>    reset-names:
> -    items:
> -      - const: phy
> -      - const: apb
> -      - const: init
> -      - const: cmn
> -      - const: lane
> -      - const: ropll
> -      - const: lcpll
> +    minItems: 4
> +    maxItems: 7
>  
>    rockchip,grf:
>      $ref: /schemas/types.yaml#/definitions/phandle
> @@ -67,6 +60,39 @@ required:
>    - reset-names
>    - rockchip,grf
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - rockchip,rk3576-hdptx-phy
> +    then:
> +      properties:
> +        resets:
> +          minItems: 4
> +          maxItems: 4
> +        reset-names:
> +          items:
> +            - const: apb
> +            - const: init
> +            - const: cmn
> +            - const: lane
> +    else:
> +      properties:
> +        resets:
> +          minItems: 7
> +          maxItems: 7
> +        reset-names:
> +          items:
> +            - const: phy
> +            - const: apb
> +            - const: init
> +            - const: cmn
> +            - const: lane
> +            - const: ropll
> +            - const: lcpll
> +
>  additionalProperties: false
>  
>  examples:
>