netdev - Re: [RESEND PATCH net-next 3/5] dt-bindings: net: Add Realtek MDIO controller

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Message-ID: <173997391420.2383401.13425265155310657100.robh@kernel.org>
Date: Wed, 19 Feb 2025 08:06:36 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: conor+dt@...nel.org, krzk+dt@...nel.org, linux-mips@...r.kernel.org,
	tsbogend@...ha.franken.de, andrew+netdev@...n.ch, pabeni@...hat.com,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	netdev@...r.kernel.org, kuba@...nel.org, edumazet@...gle.com,
	lee@...nel.org, davem@...emloft.net
Subject: Re: [RESEND PATCH net-next 3/5] dt-bindings: net: Add Realtek MDIO
 controller


On Wed, 19 Feb 2025 08:52:14 +1300, Chris Packham wrote:
> Add dtschema for the MDIO controller found in the RTL9300 Ethernet
> switch. The controller is slightly unusual in that direct MDIO
> communication is not possible. We model the MDIO controller with the
> MDIO buses as child nodes and the PHYs as children of the buses. The
> mapping of switch port number to MDIO bus/addr requires the
> ethernet-ports sibling to provide the mapping via the phy-handle
> property.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
> 
> Notes:
>     This is technically v7 of [1] and [2] which are combined now that
>     rtl9301-switch.yaml under net/ the only change from those is that the
>     $ref: in rtl9301-switch.yaml can now use a relative path
> 
>     I could technically do away with the reg property on the mdio-controller
>     node. I don't currently need to use it in my driver and it looks like
>     the register offsets are the same between the RTL9300 and RTL9310.
> 
>     [1] - https://lore.kernel.org/lkml/20250204030249.1965444-6-chris.packham@alliedtelesis.co.nz/
>     [2] - https://lore.kernel.org/lkml/20250204030249.1965444-4-chris.packham@alliedtelesis.co.nz/
> 
>  .../bindings/net/realtek,rtl9301-mdio.yaml    | 86 +++++++++++++++++++
>  .../bindings/net/realtek,rtl9301-switch.yaml  | 31 +++++++
>  2 files changed, 117 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl9301-mdio.yaml
> 


Please add Acked-by/Reviewed-by tags when posting new versions. However,
there's no need to repost patches *only* to add the tags. The upstream
maintainer will do that for acks received on the version they apply.

If a tag was not added on purpose, please state why and what changed.

Missing tags:

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>