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Date: Mon, 8 Jan 2024 09:27:59 +0100
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Subject: Re: [PATCH 1/2] dt-bindings: net: starfive,jh7110-dwmac: Add StarFive
 JH8100 support
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To: Tan Chun Hau <chunhau.tan@starfivetech.com>,
 "David S . Miller" <davem@davemloft.net>, Eric Dumazet
 <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,
 Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh+dt@kernel.org>,
 Emil Renner Berthing <kernel@esmil.dk>, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>,
 Maxime Coquelin <mcoquelin.stm32@gmail.com>,
 Alexandre Torgue <alexandre.torgue@foss.st.com>,
 Simon Horman <horms@kernel.org>,
 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
 Andrew Halaney <ahalaney@redhat.com>, Jisheng Zhang <jszhang@kernel.org>,
 =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>,
 Russell King <rmk+kernel@armlinux.org.uk>
Cc: Ley Foon Tan <leyfoon.tan@starfivetech.com>,
 Jee Heng Sia <jeeheng.sia@starfivetech.com>, netdev@vger.kernel.org,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-stm32@st-md-mailman.stormreply.com,
 linux-arm-kernel@lists.infradead.org
References: <20240108075810.14161-1-chunhau.tan@starfivetech.com>
 <20240108075810.14161-2-chunhau.tan@starfivetech.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240108075810.14161-2-chunhau.tan@starfivetech.com>
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On 08/01/2024 08:58, Tan Chun Hau wrote:
> Add StarFive JH8100 dwmac support.
> JH8100 dwmac has one reset signal instead of 2 resets as in JH7110.
> 
> Signed-off-by: Tan Chun Hau <chunhau.tan@starfivetech.com>
> ---
>  .../bindings/net/starfive,jh7110-dwmac.yaml   | 28 ++++++++++++-------
>  1 file changed, 18 insertions(+), 10 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> index 5e7cfbbebce6..3d0447726902 100644
> --- a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> @@ -17,6 +17,7 @@ select:
>        contains:
>          enum:
>            - starfive,jh7110-dwmac
> +          - starfive,jh8100-dwmac

I have doubts that you tested it. Missing change to snps,dwmac.

>    required:
>      - compatible
>  
> @@ -25,6 +26,7 @@ properties:
>      items:
>        - enum:
>            - starfive,jh7110-dwmac
> +          - starfive,jh8100-dwmac
>        - const: snps,dwmac-5.20
>  
>    reg:
> @@ -54,16 +56,6 @@ properties:
>      minItems: 3
>      maxItems: 3
>  
> -  resets:
> -    items:
> -      - description: MAC Reset signal.
> -      - description: AHB Reset signal.
> -
> -  reset-names:
> -    items:
> -      - const: stmmaceth
> -      - const: ahb
> -
>    starfive,tx-use-rgmii-clk:
>      description:
>        Tx clock is provided by external rgmii clock.
> @@ -93,6 +85,22 @@ required:
>  
>  allOf:
>    - $ref: snps,dwmac.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - starfive,jh7110-dwmac
> +    then:
> +      properties:
> +        resets:
> +          items:
> +            - description: MAC Reset signal.
> +            - description: AHB Reset signal.
> +        resets-names:
> +          items:
> +            - const: stmmaceth
> +            - const: ahb

Missing else: narrowing your jh8100.

Best regards,
Krzysztof