From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King Subject: [PATCH 1/2] dt-bindings: add sff,sff binding for SFP support Date: Thu, 14 Dec 2017 10:27:42 +0000 Message-ID: References: <20171214102712.GP10595@n2100.armlinux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20171214102712.GP10595-l+eeeJia6m9URfEZ8mYm6t73F7V6hmMc@public.gmane.org> Content-Disposition: inline Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Andrew Lunn , Florian Fainelli , Rob Herring Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Rutland , netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org 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 --- Documentation/devicetree/bindings/net/sff,sfp.txt | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) 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 -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html