linux-kernel - Re: [PATCH net-next v4 7/7] dt-bindings: marvell: Add Marvell MV88E6060 DSA schema

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Date:   Thu, 19 Oct 2023 19:11:32 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Christian Marangi <ansuelsmth@...il.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v4 7/7] dt-bindings: marvell: Add Marvell
 MV88E6060 DSA schema

On Wed, Oct 18, 2023 at 11:03:46AM +0200, Linus Walleij wrote:
> The Marvell MV88E6060 is one of the oldest DSA switches from
> Marvell, and it has DT bindings used in the wild. Let's define
> them properly.
> 
> It is different enough from the rest of the MV88E6xxx switches
> that it deserves its own binding.
> 
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
> ---
>  .../bindings/net/dsa/marvell,mv88e6060.yaml        | 90 ++++++++++++++++++++++
>  MAINTAINERS                                        |  1 +
>  2 files changed, 91 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/marvell,mv88e6060.yaml b/Documentation/devicetree/bindings/net/dsa/marvell,mv88e6060.yaml
> new file mode 100644
> index 000000000000..787f328551f6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dsa/marvell,mv88e6060.yaml
> @@ -0,0 +1,90 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/dsa/marvell,mv88e6060.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell MV88E6060 DSA switch
> +
> +maintainers:
> +  - Andrew Lunn <andrew@...n.ch>
> +
> +description:
> +  The Marvell MV88E6060 switch has been produced and sold by Marvell
> +  since at least 2010. The switch has one pin ADDR4 that controls the
> +  MDIO address of the switch to be 0x10 or 0x00, and on the MDIO bus
> +  connected to the switch, the PHYs inside the switch appear as
> +  independent devices on address 0x00-0x04 or 0x10-0x14, so in difference
> +  from many other DSA switches this switch does not have an internal
> +  MDIO bus for the PHY devices.

Where does 2010 come from (both here and in the other Marvell schema)?
Lennert Buytenhek added Linux support for this switch family in 2008.

Anyway,

Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>