linux-kernel - Re: [PATCH net-next v2 02/18] dt-bindings: net: cdns,macb: add Mobileye EyeQ5 ethernet interface

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Message-ID: <20250701-hulking-idealistic-adder-80ae8f@krzk-bin>
Date: Tue, 1 Jul 2025 10:18:12 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Théo Lebrun <theo.lebrun@...tlin.com>
Cc: Andrew Lunn <andrew+netdev@...n.ch>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Nicolas Ferre <nicolas.ferre@...rochip.com>, Claudiu Beznea <claudiu.beznea@...on.dev>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, 
	Samuel Holland <samuel.holland@...ive.com>, Richard Cochran <richardcochran@...il.com>, 
	Russell King <linux@...linux.org.uk>, Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
	Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, Gregory CLEMENT <gregory.clement@...tlin.com>, 
	Cyrille Pitchen <cyrille.pitchen@...el.com>, Harini Katakam <harini.katakam@...inx.com>, 
	Rafal Ozieblo <rafalo@...ence.com>, Haavard Skinnemoen <hskinnemoen@...el.com>, 
	Jeff Garzik <jeff@...zik.org>, netdev@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, linux-mips@...r.kernel.org, 
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Tawfik Bayouk <tawfik.bayouk@...ileye.com>
Subject: Re: [PATCH net-next v2 02/18] dt-bindings: net: cdns,macb: add
 Mobileye EyeQ5 ethernet interface

On Fri, Jun 27, 2025 at 11:08:48AM +0200, Théo Lebrun wrote:
> Add cdns,eyeq5-gem as compatible for the integrated GEM block inside
> Mobileye EyeQ5 SoCs. Add a phandle (and two offset arguments) for
> accessing syscon registers.
> 
> Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
> ---
>  .../devicetree/bindings/net/cdns,macb.yaml         | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
> index df883354c7e635099885da42e4604e1c31b05c72..6cf43cc50377f23d60ef40bf1c8efa22ce1ae0bb 100644
> --- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
> +++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
> @@ -57,6 +57,7 @@ properties:
>            - cdns,np4-macb             # NP4 SoC devices
>            - microchip,sama7g5-emac    # Microchip SAMA7G5 ethernet interface
>            - microchip,sama7g5-gem     # Microchip SAMA7G5 gigabit ethernet interface
> +          - mobileye,eyeq5-gem        # Mobileye EyeQ5 SoCs
>            - sifive,fu540-c000-gem     # SiFive FU540-C000 SoC
>  
>        - items:
> @@ -137,6 +138,17 @@ properties:
>        Node containing PHY children. If this node is not present, then PHYs will
>        be direct children.
>  
> +  mobileye,olb:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    description:
> +      Handle to the OLB system controller that owns registers configuring the
> +      MACB integration.

... to do what?

Maybe you just miss some sort of phy or power domain provider. Syscon is
not a replacement for that.

Best regards,
Krzysztof