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From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Sun, 16 Jan 2022 01:15:36 +0100
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Subject: Re: [PATCH] dt-bindings: net: dsa: realtek-smi: convert to YAML schema
To:     Luiz Angelo Daros de Luca <luizluca@gmail.com>
Cc:     devicetree@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        Olof Johansson <olof@lixom.net>,
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        Florian Fainelli <f.fainelli@gmail.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Andrew Lunn <andrew@lunn.ch>,
        Vivien Didelot <vivien.didelot@gmail.com>,
        Vladimir Oltean <olteanv@gmail.com>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        "open list:NETWORKING DRIVERS" <netdev@vger.kernel.org>,
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On Wed, Jan 5, 2022 at 12:44 AM Luiz Angelo Daros de Luca
<luizluca@gmail.com> wrote:

> BTW, I couldn't find a datasheet for rtl8366rb.

There is none... all I have is a code dump from realtek.
The custom header had to be reverse engineered.

> The commit message
> says it is from a DIR-685 but wikidevi days that device has a
> RTL8366SR, which is described as "SINGLE-CHIP 5+1-PORT 10/100/1000
> MBPS SWITCH CONTROLLER WITH DUAL MAC INTERFACES".

The device most definitely has the RTL8366RB, as can be seen in the
PCB photo here:
https://www.redeszone.net/app/uploads-redeszone.net/d-link_dir-685_analisis_15.jpg

> Do you have any suggestions?

The DIR-685 has WAN + 4 x LAN and the WAN port is handled in a separate
register from the LAN ports (suggesting it can also do an optical
line) so I think
it's 4 + 1.

Yours,
Linus Walleij