linux-kernel - Re: [RESEND PATCH v4 1/2] dt-bindings: net: starfive,jh7110-dwmac: Add JH7100 SoC compatible

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Date: Mon, 29 Jan 2024 12:24:18 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, 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>, Alexandre Torgue
 <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, Maxime
 Coquelin <mcoquelin.stm32@...il.com>, Giuseppe Cavallaro
 <peppe.cavallaro@...com>, Andrew Lunn <andrew@...n.ch>, Jacob Keller
 <jacob.e.keller@...el.com>, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [RESEND PATCH v4 1/2] dt-bindings: net: starfive,jh7110-dwmac:
 Add JH7100 SoC compatible

On Fri, 26 Jan 2024 21:21:25 +0200 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'.
> 
> Since the common binding 'snps,dwmac' allows selecting 'ahb' only in
> conjunction with 'stmmaceth', extend the logic to also permit exclusive
> usage of the 'ahb' reset name.  This ensures the following use cases are
> supported:
> 
>   JH7110: reset-names = "stmmaceth", "ahb";
>   JH7100: reset-names = "ahb";
>   other:  reset-names = "stmmaceth";
> 
> Also note the need to use a different dwmac fallback, as v5.20 applies
> to JH7110 only, while JH7100 relies on v3.7x.
> 
> Additionally, drop the reset description items from top-level binding as
> they are already provided by the included snps,dwmac schema.

Reposting review tag from:
https://lore.kernel.org/all/0a6f6dcb-18b0-48d5-8955-76bce0e1295d@linaro.org/

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>