linux-kernel - Re: [net-next PATCH v12 02/13] dt-bindings: net: Document support for Airoha AN8855 Switch Virtual MDIO

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Message-ID: <20250320173154.GE892515@horms.kernel.org>
Date: Thu, 20 Mar 2025 17:31:54 +0000
From: Simon Horman <horms@...nel.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	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>,
	Vladimir Oltean <olteanv@...il.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Maxime Chevallier <maxime.chevallier@...tlin.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org,
	upstream@...oha.com
Subject: Re: [net-next PATCH v12 02/13] dt-bindings: net: Document support
 for Airoha AN8855 Switch Virtual MDIO

On Sun, Mar 09, 2025 at 06:26:47PM +0100, Christian Marangi wrote:
> Document support for Airoha AN8855 Virtual MDIO Passtrough. This is needed

nit: passthrough

> as AN8855 require special handling as the same address on the MDIO bus is
> shared for both Switch and PHY and special handling for the page
> configuration is needed to switch accessing to Switch address space
> or PHY.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
> ---
>  .../bindings/net/airoha,an8855-mdio.yaml      | 56 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 57 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/airoha,an8855-mdio.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/airoha,an8855-mdio.yaml b/Documentation/devicetree/bindings/net/airoha,an8855-mdio.yaml
> new file mode 100644
> index 000000000000..3078277bf478
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/airoha,an8855-mdio.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/airoha,an8855-mdio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Airoha AN8855 MDIO Passtrough

Ditto.

> +
> +maintainers:
> +  - Christian Marangi <ansuelsmth@...il.com>
> +
> +description:
> +  Airoha AN8855 Virtual MDIO Passtrough. This is needed as AN8855

Ditto.

> +  require special handling as the same address on the MDIO bus is
> +  shared for both Switch and PHY and special handling for the page
> +  configuration is needed to switch accessing to Switch address space
> +  or PHY.

...