netdev - Re: [PATCH v3 2/3] dt-binding: net: sfp binding documentation

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Message-ID: <d7eb151f-0967-7ffb-91a1-5e27f9db4050@cogentembedded.com>
Date:   Mon, 4 Sep 2017 12:59:29 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Baruch Siach <baruch@...s.co.il>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Russell King <rmk+kernel@....linux.org.uk>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 2/3] dt-binding: net: sfp binding documentation

Hello!

On 9/3/2017 3:31 PM, Baruch Siach wrote:

> Add device-tree binding documentation SFP transceivers. Support for SFP
> transceivers has been recently introduced (drivers/net/phy/sfp.c).
> 
> Signed-off-by: Baruch Siach <baruch@...s.co.il>
[...]
> diff --git a/Documentation/devicetree/bindings/net/sff,sfp.txt b/Documentation/devicetree/bindings/net/sff,sfp.txt
> new file mode 100644
> index 000000000000..b98ee5945265
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/sff,sfp.txt
> @@ -0,0 +1,78 @@
> +Small Form Factor (SFF) Committee Small Form-factor Pluggable (SFP)
> +Transceiver
> +
> +Required properties:
> +
> +- compatible : must be "sff,sfp"
> +
> +Optional Properties:
> +
> +- i2c-bus : phandle of an I2C bus controller for the SFP two wire serial
> +  interface
> +
> +- moddef0-gpios : GPIO phandle and a single specifier of the MOD-DEF0 (AKA

    There's always a single specifier following a phandle, tho it may have 
different # of cells, no need to spell that out.

> +  Mod_ABS) module presence input gpio signal, active (module absent) high
> +
> +- los-gpios : GPIO phandle and a single specifier of the Receiver Loss of

    Same here.

> +  Signal Indication input gpio signal, active (signal lost) high
> +
> +- tx-fault-gpios : GPIO phandle and a single specifier of the Module

    And here.

> +  Transmitter Fault input gpio signal, active (fault condition) high
> +
> +- tx-disable-gpios : GPIO phandle and a single specifier of the Transmitter

    And here.

> +  Disable output gpio signal, active (Tx disable) high
> +
> +- rate-select0-gpios : GPIO phandle and a single specifier of the Rx Signaling

    Here too.

> +  Rate Select (AKA RS0) output gpio signal, low: low Rx rate, high: high Rx
> +  rate
> +
> +- rate-select1-gpios : GPIO phandle and a single specifier of the Tx Signaling

    Here ass well.

> +  Rate Select (AKA RS1) output gpio signal (SFP+ only), low: low Tx rate,
> +  high: high Tx rate
> +
[...]

MBR, Sergei