Re: [PATCH v2 05/22] doc: dt-binding: usb: add otg related properties
From: Roger Quadros <hidden>
Date: 2015-06-09 12:49:14
On Mon, 8 Jun 2015 23:02:00 +0800 Li Jun [off-list ref] wrote:
quoted hunk
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 <redacted> --- Documentation/devicetree/bindings/usb/generic.txt | 10 ++++++++++ 1 file changed, 10 insertions(+)diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt index 477d5bb..7386f4a 100644 --- a/Documentation/devicetree/bindings/usb/generic.txt +++ b/Documentation/devicetree/bindings/usb/generic.txt@@ -11,6 +11,12 @@ 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). + - srp-support: tells OTG controllers we want to enable SRP. + - hnp-support: tells OTG controllers we want to enable HNP. + - adp-support: tells OTG controllers we want to enable ADP.
should we call these enable-<foo> as it doesn't indicate whether controller supports it or not but just that the board DT wants to enable it.
quoted hunk
This is an attribute to a USB controller such as:@@ -21,4 +27,8 @@ dwc3@4a030000 { usb-phy = <&usb2_phy>, <&usb3,phy>; maximum-speed = "super-speed"; dr_mode = "otg"; + otg-rev = <0x0200>; + srp-support; + hnp-support; + adp-support; };
cheers, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html