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Message-ID: <c9225053-78f8-40b7-9453-dc3dabe44500@linaro.org>
Date: Tue, 19 Dec 2023 08:27:53 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Emil Renner Berthing <kernel@...il.dk>,
 Samin Guo <samin.guo@...rfivetech.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Hal Feng <hal.feng@...rfivetech.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Jose Abreu <joabreu@...opsys.com>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Richard Cochran <richardcochran@...il.com>,
 Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-clk@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v4 2/9] dt-bindings: net: starfive,jh7110-dwmac: Add
 JH7100 SoC compatible

On 18/12/2023 22:44, Cristian Ciocaltea wrote:
> The Synopsys DesignWare MAC found on StarFive JH7100 SoC is mostly
> similar to the newer JH7110, but it requires only two interrupts and a
> single reset line, which is 'ahb' instead of the commonly used
> 'stmmaceth'.
> 

>    reg:
> @@ -145,9 +146,13 @@ properties:
>  
>    reset-names:
>      minItems: 1
> -    items:
> -      - const: stmmaceth
> -      - const: ahb
> +    maxItems: 2

min and maxItems should not be needed here.

> +    oneOf:
> +      - items:
> +          - enum: [stmmaceth, ahb]
> +      - items:
> +          - const: stmmaceth
> +          - const: ahb
>  
>    power-domains:
>      maxItems: 1
> diff --git a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> index d90cb82c1424..f5f0bff5be0f 100644
> --- a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> @@ -16,16 +16,20 @@ select:
>      compatible:
>        contains:
>          enum:
> +          - starfive,jh7100-dwmac
>            - starfive,jh7110-dwmac
>    required:
>      - compatible
>  
>  properties:
>    compatible:
> -    items:
> -      - enum:
> -          - starfive,jh7110-dwmac
> -      - const: snps,dwmac-5.20
> +    oneOf:
> +      - items:
> +          - const: starfive,jh7100-dwmac
> +          - const: snps,dwmac
> +      - items:
> +          - const: starfive,jh7110-dwmac
> +          - const: snps,dwmac-5.20
>  
>    reg:
>      maxItems: 1
> @@ -46,23 +50,6 @@ properties:
>        - const: tx
>        - const: gtx
>  
> -  interrupts:
> -    minItems: 3
> -    maxItems: 3
> -
> -  interrupt-names:
> -    minItems: 3
> -    maxItems: 3
> -
> -  resets:
> -    minItems: 2
> -    maxItems: 2

What is the point of your previous patch if you immediately remove it?
It is a no-op. Just mention in this commit msg, that both resets and
reset-names are coming from snps,dwmac so they can be removed from
top-level entirely.

Best regards,
Krzysztof


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