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

[Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>]

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-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
[...]
> 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
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