| Message ID | E1ePQju-0003ps-QW@rmk-PC.armlinux.org.uk |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
| Series | Add SFF module support | expand |
On Thu, Dec 14, 2017 at 4:27 AM, Russell King <rmk+kernel@armlinux.org.uk> wrote: > Add "sff,sff" for SFF module support with SFP. These have a different > phys_id value, and also have the present and rate select signals omitted > compared with their socketed counter-parts. > > Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> > --- > Documentation/devicetree/bindings/net/sff,sfp.txt | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) Reviewed-by: Rob Herring <robh@kernel.org>
On 12/14/2017 02:27 AM, Russell King wrote: > Add "sff,sff" for SFF module support with SFP. These have a different > phys_id value, and also have the present and rate select signals omitted > compared with their socketed counter-parts. > > Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/Documentation/devicetree/bindings/net/sff,sfp.txt b/Documentation/devicetree/bindings/net/sff,sfp.txt index 60e970ce10ee..f1c441bedf68 100644 --- a/Documentation/devicetree/bindings/net/sff,sfp.txt +++ b/Documentation/devicetree/bindings/net/sff,sfp.txt @@ -3,7 +3,9 @@ Transceiver Required properties: -- compatible : must be "sff,sfp" +- compatible : must be one of + "sff,sfp" for SFP modules + "sff,sff" for soldered down SFF modules Optional Properties: @@ -11,7 +13,8 @@ Transceiver interface - mod-def0-gpios : GPIO phandle and a specifier of the MOD-DEF0 (AKA Mod_ABS) - module presence input gpio signal, active (module absent) high + module presence input gpio signal, active (module absent) high. Must + not be present for SFF modules - los-gpios : GPIO phandle and a specifier of the Receiver Loss of Signal Indication input gpio signal, active (signal lost) high @@ -24,10 +27,11 @@ Transceiver - rate-select0-gpios : GPIO phandle and a specifier of the Rx Signaling Rate Select (AKA RS0) output gpio signal, low: low Rx rate, high: high Rx rate + Must not be present for SFF modules - rate-select1-gpios : GPIO phandle and a specifier of the Tx Signaling Rate Select (AKA RS1) output gpio signal (SFP+ only), low: low Tx rate, high: - high Tx rate + high Tx rate. Must not be present for SFF modules Example #1: Direct serdes to SFP connection
Add "sff,sff" for SFF module support with SFP. These have a different phys_id value, and also have the present and rate select signals omitted compared with their socketed counter-parts. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- Documentation/devicetree/bindings/net/sff,sfp.txt | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)