From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Jun Subject: [PATCH v5 06/23] doc: dt-binding: usb: add otg related properties Date: Wed, 17 Jun 2015 19:40:13 +0800 Message-ID: <1434541230-15090-7-git-send-email-jun.li@freescale.com> References: <1434541230-15090-1-git-send-email-jun.li@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1434541230-15090-1-git-send-email-jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, macpaul-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, rogerq-l0cyMroinI0@public.gmane.org, Li Jun List-Id: devicetree@vger.kernel.org Add otg version, srp, hnp and adp support for usb OTG port, then those OTG features don't have to be decided by usb gadget drivers. Signed-off-by: Li Jun Reviewed-by: Roger Quadros --- Documentation/devicetree/bindings/usb/generic.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt index 477d5bb..bba8257 100644 --- a/Documentation/devicetree/bindings/usb/generic.txt +++ b/Documentation/devicetree/bindings/usb/generic.txt @@ -11,6 +11,19 @@ Optional properties: "peripheral" and "otg". In case this attribute isn't passed via DT, USB DRD controllers should default to OTG. + - otg-rev: tells usb driver the release number of the OTG and EH supplement + with which the device and its descriptors are compliant, + in binary-coded decimal (i.e. 2.0 is 0200H). This + property is used if any real OTG features(HNP/SRP/ADP) + is enabled, if ADP is required, otg-rev should be + 0x0200 or above. + - hnp-disable: tells OTG controllers we want to disable OTG HNP, normally HNP + is the basic function of real OTG except you want it + to be a srp-capable only B device. + - srp-disable: tells OTG controllers we want to disable OTG SRP, SRP is + optional for OTG device. + - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is + optional for OTG device. This is an attribute to a USB controller such as: @@ -21,4 +34,6 @@ dwc3@4a030000 { usb-phy = <&usb2_phy>, <&usb3,phy>; maximum-speed = "super-speed"; dr_mode = "otg"; + otg-rev = <0x0200>; + adp-disable; }; -- 1.9.1 -- 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