linux-kernel - Re: [PATCH v2 net-next 12/14] dt-bindings: net: dsa: ocelot: add ocelot-ext documentation

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Date:   Fri, 23 Sep 2022 20:08:53 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Colin Foster <colin.foster@...advantage.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, netdev@...r.kernel.org
Cc:     Russell King <linux@...linux.org.uk>,
        Linus Walleij <linus.walleij@...aro.org>,
        UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Lee Jones <lee@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Vladimir Oltean <olteanv@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v2 net-next 12/14] dt-bindings: net: dsa: ocelot: add
 ocelot-ext documentation

On 22/09/2022 06:01, Colin Foster wrote:
> The ocelot-ext driver is another sub-device of the Ocelot / Felix driver
> system, which currently supports the four internal copper phys.
> 
> Signed-off-by: Colin Foster <colin.foster@...advantage.com>
> ---
> 
> v2
>     * New patch
> 
> ---
>  .../bindings/net/dsa/mscc,ocelot.yaml         | 58 +++++++++++++++++++
>  1 file changed, 58 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/mscc,ocelot.yaml b/Documentation/devicetree/bindings/net/dsa/mscc,ocelot.yaml
> index 8d93ed9c172c..bed575236261 100644
> --- a/Documentation/devicetree/bindings/net/dsa/mscc,ocelot.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/mscc,ocelot.yaml
> @@ -54,9 +54,21 @@ description: |
>        - phy-mode = "1000base-x": on ports 0, 1, 2, 3
>        - phy-mode = "2500base-x": on ports 0, 1, 2, 3
>  
> +  VSC7412 (Ocelot-Ext):
> +
> +    The Ocelot family consists of four devices, the VSC7511, VSC7512, VSC7513,
> +    and the VSC7514. The VSC7513 and VSC7514 both have an internal MIPS
> +    processor that natively support Linux. Additionally, all four devices
> +    support control over external interfaces, SPI and PCIe. The Ocelot-Ext
> +    driver is for the external control portion.
> +
> +    The following PHY interface type are currently supported:
> +      - phy-mode = "internal": on ports 0, 1, 2, 3

"Currently supported" by hardware or by some specific, chosen
implementation? If the latter, drop it. If the former, maybe this should
be constrained in allOf:if:then.

Best regards,
Krzysztof